#631213#631213

#631213 is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.9% C 0.114 H 25.6°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#631213
RGB	rgb(99, 18, 19)
HSL	hsl(359, 69%, 23%)
HSV	hsv(359, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 80.8%, 61.2%)
CIE-LAB	lab(20.57, 35.54, 22.13)
CIE-LCH	lch(20.57, 41.86, 31.91°)
OKLab	oklab(32.9% 0.1027 0.0492)
OKLCH	oklch(32.9% 0.114 25.6)
XYZ	xyz(5.4801, 3.1331, 0.9322)
Luminance	0.0313 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631213 #126362

analogous

#63123B #631213 #633912

triadic

#631213 #136312 #121363

tetradic

#631213 #3B6312 #126362 #391263

square

#631213 #3B6312 #126362 #391263

split-complementary

#631213 #126339 #123B63

monochromatic

#1A0505 #2F0909 #631213 #971B1D #CB2527

Accessibility & contrast

On white

12.91

#631213 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#631213 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631213

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631213	#FFFFFF	#000000	##FFFFFF
##631213	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2612

Deuteranopia (green-blind)

#3F3810

Tritanopia (blue-blind)

#6E0014

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631213;
/* rgb */ color: rgb(99, 18, 19);
/* oklch */ color: oklch(32.9% 0.114 25.6);

Tailwind

colors: {
  custom: {
    50: '#975850',
    500: '#631213',
    950: '#000000',
  },
}

SCSS

$custom: #631213;
$custom-light: #975850;
$custom-dark: #000000;

JSON

{
  "hex": "#631213",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 19
  },
  "hsl": {
    "h": 359.259,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32899,
    "c": 0.11391,
    "h": 25.6
  },
  "luminance": 0.03132
}

Semantic roles & 50–950 ramp

primary

#631213

secondary

#369B9A

accent

#ECEA3C

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #631213

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

Preview Lab → · Contrast checker → · Palette generator →