#A9231D#A9231D

#A9231D is a mid, vivid red. Relative luminance 0.097; OKLCH L 48.0% C 0.171 H 28.3°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#A9231D
RGB	rgb(169, 35, 29)
HSL	hsl(3, 71%, 39%)
HSV	hsv(3, 83%, 66%)
CMYK	cmyk(0%, 79.3%, 82.8%, 33.7%)
CIE-LAB	lab(37.35, 52.78, 38.05)
CIE-LCH	lch(37.35, 65.07, 35.79°)
OKLab	oklab(48.03% 0.1505 0.081)
OKLCH	oklch(48.03% 0.171 28.3)
XYZ	xyz(17.1871, 9.7286, 2.1350)
Luminance	0.0973 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9231D #1DA3A9

analogous

#A91D5D #A9231D #A9691D

triadic

#A9231D #1DA923 #231DA9

tetradic

#A9231D #5DA91D #1DA3A9 #691DA9

square

#A9231D #5DA91D #1DA3A9 #691DA9

split-complementary

#A9231D #1DA969 #1D5DA9

monochromatic

#410D0B #751814 #A9231D #DA3129 #E3635D

Accessibility & contrast

On white

7.13

#A9231D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A9231D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A9231D

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9231D	#FFFFFF	#000000	##FFFFFF
##A9231D	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E451A

Deuteranopia (green-blind)

#6E6216

Tritanopia (blue-blind)

#BB0024

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a9231d;
/* rgb */ color: rgb(169, 35, 29);
/* oklch */ color: oklch(48.0% 0.171 28.3);

Tailwind

colors: {
  custom: {
    50: '#cc6b5a',
    500: '#a9231d',
    950: '#000000',
  },
}

SCSS

$custom: #a9231d;
$custom-light: #cc6b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#a9231d",
  "rgb": {
    "r": 169,
    "g": 35,
    "b": 29
  },
  "hsl": {
    "h": 2.571,
    "s": 70.707,
    "l": 38.824
  },
  "oklch": {
    "l": 0.48027,
    "c": 0.17095,
    "h": 28.3
  },
  "luminance": 0.09726
}

Semantic roles & 50–950 ramp

primary

#A9231D

secondary

#5AC3C7

accent

#E6ED3A

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A9231D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →