#831025#831025

#831025 is a dark, vivid red. Relative luminance 0.053; OKLCH L 39.5% C 0.147 H 18.8°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#831025
RGB	rgb(131, 16, 37)
HSL	hsl(349, 78%, 29%)
HSV	hsv(349, 88%, 51%)
CMYK	cmyk(0%, 87.8%, 71.8%, 48.6%)
CIE-LAB	lab(27.66, 46.92, 20.32)
CIE-LCH	lch(27.66, 51.13, 23.42°)
OKLab	oklab(39.47% 0.1388 0.0473)
OKLCH	oklch(39.47% 0.147 18.8)
XYZ	xyz(9.8804, 5.3310, 2.2587)
Luminance	0.0533 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831025 #10836E

analogous

#83105F #831025 #833510

triadic

#831025 #258310 #102583

tetradic

#831025 #5F8310 #10836E #351083

square

#831025 #5F8310 #10836E #351083

split-complementary

#831025 #108335 #105F83

monochromatic

#1B0308 #4C0916 #831025 #BA1734 #E5294B

Accessibility & contrast

On white

10.17

#831025 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#831025 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831025

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831025	#FFFFFF	#000000	##FFFFFF
##831025	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353225

Deuteranopia (green-blind)

#524A21

Tritanopia (blue-blind)

#91001A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #831025;
/* rgb */ color: rgb(131, 16, 37);
/* oklch */ color: oklch(39.5% 0.147 18.8);

Tailwind

colors: {
  custom: {
    50: '#af5e5f',
    500: '#831025',
    950: '#000000',
  },
}

SCSS

$custom: #831025;
$custom-light: #af5e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#831025",
  "rgb": {
    "r": 131,
    "g": 16,
    "b": 37
  },
  "hsl": {
    "h": 349.043,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39473,
    "c": 0.1466,
    "h": 18.8
  },
  "luminance": 0.05329
}

Semantic roles & 50–950 ramp

primary

#831025

secondary

#36B9A1

accent

#F5D133

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#120504

muted

#817979

Preview Lab

Preview with #831025

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

Preview Lab → · Contrast checker → · Palette generator →