HEX Color Code #023940

Characterized by its very dark cyan presence, #023940 works across hero sections, button themes, and accent overlays. Get its exact RGB, HSL, and CMYK values below, plus curated similar shades.

What Color Is #023940?

When rendered, #023940 appears as a very dark cyan shade. The R:2, G:57, B:64 breakdown shows a cyan-dominant profile with very dark depth. At 13% lightness, it sits in the lower half of the brightness range.

Color Meaning of #023940

Designers choose cyan tones when their projects require clarity, openness, and modernity. #023940 inherits these qualities while its very dark nature adds visual weight that commands attention and establishes hierarchy.

Where to Use HEX Code #023940

Onboarding flow illustrations and background washes that set a welcoming cyan tone

Skeleton screen shimmer effects — subtle very dark cyan pulses feel natural during loading

Sidebar active-state indicators that help users orient within complex multi-panel layouts

Tag and chip components where cyan backgrounds pair with contrasting text for quick scanning

Customer testimonial section accents that frame quotes with visual warmth

API documentation color swatches and code highlighting themes

Similar HEX Color Codes

#114831

#1B5227

#25161D

Complementary black tone for palette coordination

#2F666D

Nearby color value offering slightly different brightness

#007009

#000081

Adjacent shade useful for gradient transitions

#00008B

Comparable blue alternative with distinct character

HEX Code #023940 in Design Systems

Design token strategy for #023940: assign it as color.cyan.very-dark in your token hierarchy. From this base, compute tint/shade ramps programmatically using OKLCH (preferred for perceptual uniformity) or HSL adjustments. Export tokens to CSS, iOS, and Android through Style Dictionary or Tokens Studio.

Contrast data: perceived brightness 41/255 positions this color in the dark range where white text at 100% opacity meets WCAG AA. For non-text elements like icons and borders, a 3:1 contrast ratio against the background is the minimum standard.

FAQ About HEX Color Code #023940

What color is #023940?

#023940 produces a very dark cyan tone. The RGB breakdown (2, 57, 64) shows how the three light channels combine to create this specific cyan hue at 187° on the color wheel.

Is #023940 a dark or light color?

#023940 registers as a dark color at 41/255 perceived brightness. In practical terms, white (#FFFFFF) or very light text will provide the best readability.

What colors go well with #023940?

Complementary pairing (≈7° hue) creates energetic contrast with #023940. Split-complementary (±150°) adds variety with less tension. Monochromatic schemes — lighter and darker cyan shades — are the safest harmonious option.

Can I use #023940 for branding?

#023940 can serve as a primary or secondary brand color. Before committing, verify it renders well in both RGB (screens) and CMYK (print), test it against competitor palettes for differentiation, and confirm it meets WCAG contrast requirements in all planned applications.

How do I convert #023940 to other color formats?

Convert #023940 to RGB(2, 57, 64) by splitting the hex into three pairs and converting each from base-16 to base-10. HSL(187°, 94%, 13%) is derived from the RGB values using the standard algorithm. Visit our HEX to HSL converter for additional formats.