#831727#831727

#831727 is a dark, vivid red. Relative luminance 0.056; OKLCH L 40.0% C 0.142 H 19.2°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#831727
RGB	rgb(131, 23, 39)
HSL	hsl(351, 70%, 30%)
HSV	hsv(351, 82%, 51%)
CMYK	cmyk(0%, 82.4%, 70.2%, 48.6%)
CIE-LAB	lab(28.34, 45.17, 19.85)
CIE-LCH	lch(28.34, 49.34, 23.72°)
OKLab	oklab(39.99% 0.1336 0.0465)
OKLCH	oklch(39.99% 0.142 19.2)
XYZ	xyz(10.0338, 5.5861, 2.4690)
Luminance	0.0558 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831727 #178373

analogous

#83175D #831727 #833D17

triadic

#831727 #278317 #172783

tetradic

#831727 #5D8317 #178373 #3D1783

square

#831727 #5D8317 #178373 #3D1783

split-complementary

#831727 #17833D #175D83

monochromatic

#1B0508 #4F0E18 #831727 #B72036 #DC3851

Accessibility & contrast

On white

9.92

#831727 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#831727 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831727

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831727	#FFFFFF	#000000	##FFFFFF
##831727	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383427

Deuteranopia (green-blind)

#534B24

Tritanopia (blue-blind)

#90001E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #831727;
/* rgb */ color: rgb(131, 23, 39);
/* oklch */ color: oklch(40.0% 0.142 19.2);

Tailwind

colors: {
  custom: {
    50: '#ae6061',
    500: '#831727',
    950: '#000000',
  },
}

SCSS

$custom: #831727;
$custom-light: #ae6061;
$custom-dark: #000000;

JSON

{
  "hex": "#831727",
  "rgb": {
    "r": 131,
    "g": 23,
    "b": 39
  },
  "hsl": {
    "h": 351.111,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.39991,
    "c": 0.14151,
    "h": 19.2
  },
  "luminance": 0.05585
}

Semantic roles & 50–950 ramp

primary

#831727

secondary

#3FB7A5

accent

#EDD33B

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120505

muted

#817A79

Preview Lab

Preview with #831727

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

Preview Lab → · Contrast checker → · Palette generator →