#831228#831228

#831228 is a dark, vivid red. Relative luminance 0.054; OKLCH L 39.7% C 0.145 H 17.6°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#831228
RGB	rgb(131, 18, 40)
HSL	hsl(348, 76%, 29%)
HSV	hsv(348, 86%, 51%)
CMYK	cmyk(0%, 86.3%, 69.5%, 48.6%)
CIE-LAB	lab(27.88, 46.60, 18.60)
CIE-LCH	lch(27.88, 50.17, 21.76°)
OKLab	oklab(39.65% 0.1385 0.0439)
OKLCH	oklch(39.65% 0.145 17.6)
XYZ	xyz(9.9605, 5.4127, 2.5274)
Luminance	0.0541 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831228 #12836D

analogous

#831261 #831228 #833512

triadic

#831228 #288312 #122883

tetradic

#831228 #618312 #12836D #351283

square

#831228 #618312 #12836D #351283

split-complementary

#831228 #128335 #126183

monochromatic

#1B0408 #4D0B18 #831228 #B91938 #E22D50

Accessibility & contrast

On white

10.09

#831228 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#831228 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831228

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831228	#FFFFFF	#000000	##FFFFFF
##831228	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363328

Deuteranopia (green-blind)

#524A25

Tritanopia (blue-blind)

#90001C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #831228;
/* rgb */ color: rgb(131, 18, 40);
/* oklch */ color: oklch(39.7% 0.145 17.6);

Tailwind

colors: {
  custom: {
    50: '#ae5f61',
    500: '#831228',
    950: '#000000',
  },
}

SCSS

$custom: #831228;
$custom-light: #ae5f61;
$custom-dark: #000000;

JSON

{
  "hex": "#831228",
  "rgb": {
    "r": 131,
    "g": 18,
    "b": 40
  },
  "hsl": {
    "h": 348.319,
    "s": 75.839,
    "l": 29.216
  },
  "oklch": {
    "l": 0.39654,
    "c": 0.14524,
    "h": 17.6
  },
  "luminance": 0.05411
}

Semantic roles & 50–950 ramp

primary

#831228

secondary

#38B89F

accent

#F2CE35

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120505

muted

#817979

Preview Lab

Preview with #831228

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

Preview Lab → · Contrast checker → · Palette generator →