#A8231F#A8231F

#A8231F is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.170 H 27.7°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#A8231F
RGB	rgb(168, 35, 31)
HSL	hsl(2, 69%, 39%)
HSV	hsv(2, 82%, 66%)
CMYK	cmyk(0%, 79.2%, 81.5%, 34.1%)
CIE-LAB	lab(37.17, 52.54, 36.71)
CIE-LCH	lch(37.17, 64.09, 34.94°)
OKLab	oklab(47.86% 0.1503 0.0789)
OKLCH	oklch(47.86% 0.17 27.7)
XYZ	xyz(16.9989, 9.6286, 2.2595)
Luminance	0.0963 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A8231F #1FA4A8

analogous

#A81F60 #A8231F #A8681F

triadic

#A8231F #1FA823 #231FA8

tetradic

#A8231F #60A81F #1FA4A8 #681FA8

square

#A8231F #60A81F #1FA4A8 #681FA8

split-complementary

#A8231F #1FA868 #1F60A8

monochromatic

#410D0C #741815 #A8231F #D8312C #E26460

Accessibility & contrast

On white

7.18

#A8231F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A8231F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A8231F

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A8231F	#FFFFFF	#000000	##FFFFFF
##A8231F	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D451D

Deuteranopia (green-blind)

#6E6218

Tritanopia (blue-blind)

#B90024

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a8231f;
/* rgb */ color: rgb(168, 35, 31);
/* oklch */ color: oklch(47.9% 0.170 27.7);

Tailwind

colors: {
  custom: {
    50: '#cb6b5c',
    500: '#a8231f',
    950: '#000000',
  },
}

SCSS

$custom: #a8231f;
$custom-light: #cb6b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#a8231f",
  "rgb": {
    "r": 168,
    "g": 35,
    "b": 31
  },
  "hsl": {
    "h": 1.752,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47861,
    "c": 0.16972,
    "h": 27.7
  },
  "luminance": 0.09626
}

Semantic roles & 50–950 ramp

primary

#A8231F

secondary

#5DC3C6

accent

#E7EC3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A8231F

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

Preview Lab → · Contrast checker → · Palette generator →