#631215#631215

#631215 is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.9% C 0.114 H 24.4°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#631215
RGB	rgb(99, 18, 21)
HSL	hsl(358, 69%, 23%)
HSV	hsv(358, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 78.8%, 61.2%)
CIE-LAB	lab(20.60, 35.62, 20.86)
CIE-LCH	lch(20.60, 41.28, 30.35°)
OKLab	oklab(32.93% 0.1035 0.047)
OKLCH	oklch(32.93% 0.114 24.4)
XYZ	xyz(5.4979, 3.1403, 1.0260)
Luminance	0.0314 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631215 #126360

analogous

#63123D #631215 #633712

triadic

#631215 #156312 #121563

tetradic

#631215 #3D6312 #126360 #371263

square

#631215 #3D6312 #126360 #371263

split-complementary

#631215 #126337 #123D63

monochromatic

#1A0505 #2F090A #631215 #971B20 #CB252B

Accessibility & contrast

On white

12.90

#631215 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#631215 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631215

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631215	#FFFFFF	#000000	##FFFFFF
##631215	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2614

Deuteranopia (green-blind)

#3F3812

Tritanopia (blue-blind)

#6E0014

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631215;
/* rgb */ color: rgb(99, 18, 21);
/* oklch */ color: oklch(32.9% 0.114 24.4);

Tailwind

colors: {
  custom: {
    50: '#965852',
    500: '#631215',
    950: '#000000',
  },
}

SCSS

$custom: #631215;
$custom-light: #965852;
$custom-dark: #000000;

JSON

{
  "hex": "#631215",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 21
  },
  "hsl": {
    "h": 357.778,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32928,
    "c": 0.11366,
    "h": 24.4
  },
  "luminance": 0.03139
}

Semantic roles & 50–950 ramp

primary

#631215

secondary

#369B97

accent

#ECE63C

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #631215

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

Preview Lab → · Contrast checker → · Palette generator →