HEX Color #A81D0F (Firebrick)

About #A81D0F

When working with digital screens, the color #A81D0F is rendered by mixing light. It is closely associated with the named CSS color Firebrick. This translates to an RGB value of rgb(168, 29, 15).

While screens use RGB, printing presses rely on Cyan, Magenta, Yellow, and Key (black). Its ink density profile breaks down to 0% cyan, 83% magenta, 91% yellow, and 34% black. With a hue angle of 5.5 degrees, it sits comfortably in the red spectrum.

Web Content Accessibility Guidelines (WCAG) dictate how we should use this color. Mathematical luminance calculations suggest that #FFFFFF text provides the most optimal reading experience. You can view the detailed AAA and AA pass/fail metrics in the table below.

Color Space Conversions

HEX#A81D0F

RGB168, 29, 15

HSL5.5°, 83.6%, 35.9%

CMYK0%, 83%, 91%, 34%

HSV5.5°, 91.1%, 65.9%

LAB36.4, 53.9, 44.1

XYZ16.7, 9.2, 1.4

Decimal11017487

Color Harmonies

Complementary

#A81D0F #0F99A8

Analogous

#A80F4D #A8690F

Triadic

#0FA81C #1D0FA8

Tetradic

#4DA80F #0F99A8 #690FA8

Tints, Shades & Tones

Tints (Adding White)

#A81D0F

#B13629

#BB4F44

#C5685F

#CE8179

#D89A94

#E2B3AF

#EBCCC9

#F5E5E4

#FFFFFF

Shades (Adding Black)

#A81D0F

#95190D

#82160B

#70130A

#5D1008

#4A0C06

#380905

#250603

#120301

#000000

WCAG Contrast Accessibility

7.37:1

Text on #FFFFFF

AAA

2.85:1

Text on #000000

FAIL

7.05:1

Text on #F8FAFC

AAA

2.42:1

Text on #0F172A

FAIL

CSS Implementation

.bg-color { background-color: #A81D0F; }

.text-color { color: #A81D0F; }

.border-color { border: 2px solid #A81D0F; }

Similar Colors

Firebrick

#B22222