#831028#831028

#831028 is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.5% C 0.147 H 17.2°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#831028
RGB	rgb(131, 16, 40)
HSL	hsl(347, 78%, 29%)
HSV	hsv(347, 88%, 51%)
CMYK	cmyk(0%, 87.8%, 69.5%, 48.6%)
CIE-LAB	lab(27.71, 47.08, 18.39)
CIE-LCH	lch(27.71, 50.54, 21.34°)
OKLab	oklab(39.53% 0.14 0.0434)
OKLCH	oklch(39.53% 0.147 17.2)
XYZ	xyz(9.9295, 5.3507, 2.5170)
Luminance	0.0535 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831028 #10836B

analogous

#831062 #831028 #833210

triadic

#831028 #288310 #102883

tetradic

#831028 #628310 #10836B #321083

square

#831028 #628310 #10836B #321083

split-complementary

#831028 #108332 #106283

monochromatic

#1B0308 #4C0917 #831028 #BA1739 #E52950

Accessibility & contrast

On white

10.15

#831028 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#831028 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831028

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831028	#FFFFFF	#000000	##FFFFFF
##831028	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353228

Deuteranopia (green-blind)

#514A25

Tritanopia (blue-blind)

#90001B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #831028;
/* rgb */ color: rgb(131, 16, 40);
/* oklch */ color: oklch(39.5% 0.147 17.2);

Tailwind

colors: {
  custom: {
    50: '#ae5e61',
    500: '#831028',
    950: '#000000',
  },
}

SCSS

$custom: #831028;
$custom-light: #ae5e61;
$custom-dark: #000000;

JSON

{
  "hex": "#831028",
  "rgb": {
    "r": 131,
    "g": 16,
    "b": 40
  },
  "hsl": {
    "h": 347.478,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39529,
    "c": 0.14657,
    "h": 17.2
  },
  "luminance": 0.05349
}

Semantic roles & 50–950 ramp

primary

#831028

secondary

#36B99D

accent

#F5CC33

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120505

muted

#817979

Preview Lab

Preview with #831028

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

Preview Lab → · Contrast checker → · Palette generator →