#A8231A#A8231A

#A8231A is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.170 H 29.1°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#A8231A
RGB	rgb(168, 35, 26)
HSL	hsl(4, 73%, 38%)
HSV	hsv(4, 85%, 66%)
CMYK	cmyk(0%, 79.2%, 84.5%, 34.1%)
CIE-LAB	lab(37.12, 52.39, 39.36)
CIE-LCH	lch(37.12, 65.53, 36.92°)
OKLab	oklab(47.81% 0.1489 0.0828)
OKLCH	oklch(47.81% 0.17 29.1)
XYZ	xyz(16.9380, 9.6042, 1.9390)
Luminance	0.0960 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A8231A #1A9FA8

analogous

#A81A58 #A8231A #A86A1A

triadic

#A8231A #1AA823 #231AA8

tetradic

#A8231A #58A81A #1A9FA8 #6A1AA8

square

#A8231A #58A81A #1A9FA8 #6A1AA8

split-complementary

#A8231A #1AA86A #1A58A8

monochromatic

#3E0D0A #731812 #A8231A #DD2E22 #E56057

Accessibility & contrast

On white

7.19

#A8231A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#A8231A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A8231A

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A8231A	#FFFFFF	#000000	##FFFFFF
##A8231A	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4517

Deuteranopia (green-blind)

#6E6212

Tritanopia (blue-blind)

#BA0023

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a8231a;
/* rgb */ color: rgb(168, 35, 26);
/* oklch */ color: oklch(47.8% 0.170 29.1);

Tailwind

colors: {
  custom: {
    50: '#cc6b58',
    500: '#a8231a',
    950: '#000000',
  },
}

SCSS

$custom: #a8231a;
$custom-light: #cc6b58;
$custom-dark: #000000;

JSON

{
  "hex": "#a8231a",
  "rgb": {
    "r": 168,
    "g": 35,
    "b": 26
  },
  "hsl": {
    "h": 3.803,
    "s": 73.196,
    "l": 38.039
  },
  "oklch": {
    "l": 0.47813,
    "c": 0.17035,
    "h": 29.1
  },
  "luminance": 0.09601
}

Semantic roles & 50–950 ramp

primary

#A8231A

secondary

#55C1C8

accent

#E4F038

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A8231A

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

Preview Lab → · Contrast checker → · Palette generator →