#831A25#831A25

#831A25 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.2% C 0.139 H 21.0°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#831A25
RGB	rgb(131, 26, 37)
HSL	hsl(354, 67%, 31%)
HSV	hsv(354, 80%, 51%)
CMYK	cmyk(0%, 80.2%, 71.8%, 48.6%)
CIE-LAB	lab(28.64, 44.13, 21.52)
CIE-LCH	lch(28.64, 49.10, 25.99°)
OKLab	oklab(40.2% 0.1298 0.05)
OKLCH	oklch(40.2% 0.139 21)
XYZ	xyz(10.0645, 5.6992, 2.3200)
Luminance	0.0570 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831A25 #1A8378

analogous

#831A59 #831A25 #83431A

triadic

#831A25 #25831A #1A2583

tetradic

#831A25 #59831A #1A8378 #431A83

square

#831A25 #59831A #1A8378 #431A83

split-complementary

#831A25 #1A8343 #1A5983

monochromatic

#1D0608 #501017 #831A25 #B62433 #D93F4F

Accessibility & contrast

On white

9.81

#831A25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#831A25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831A25

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831A25	#FFFFFF	#000000	##FFFFFF
##831A25	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3525

Deuteranopia (green-blind)

#544C22

Tritanopia (blue-blind)

#90001F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831a25;
/* rgb */ color: rgb(131, 26, 37);
/* oklch */ color: oklch(40.2% 0.139 21.0);

Tailwind

colors: {
  custom: {
    50: '#ae615f',
    500: '#831a25',
    950: '#000000',
  },
}

SCSS

$custom: #831a25;
$custom-light: #ae615f;
$custom-dark: #000000;

JSON

{
  "hex": "#831a25",
  "rgb": {
    "r": 131,
    "g": 26,
    "b": 37
  },
  "hsl": {
    "h": 353.714,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.402,
    "c": 0.13912,
    "h": 21
  },
  "luminance": 0.05698
}

Semantic roles & 50–950 ramp

primary

#831A25

secondary

#42B7AA

accent

#EAD83E

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #831A25

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

Preview Lab → · Contrast checker → · Palette generator →