#631613#631613

#631613 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.3% C 0.110 H 27.3°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#631613
RGB	rgb(99, 22, 19)
HSL	hsl(2, 68%, 23%)
HSV	hsv(2, 81%, 39%)
CMYK	cmyk(0%, 77.8%, 80.8%, 61.2%)
CIE-LAB	lab(21.11, 34.03, 22.73)
CIE-LCH	lch(21.11, 40.92, 33.74°)
OKLab	oklab(33.3% 0.098 0.0505)
OKLCH	oklch(33.3% 0.11 27.3)
XYZ	xyz(5.5507, 3.2743, 0.9557)
Luminance	0.0327 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631613 #136063

analogous

#631338 #631613 #633E13

triadic

#631613 #136316 #161363

tetradic

#631613 #386313 #136063 #3E1363

square

#631613 #386313 #136063 #3E1363

split-complementary

#631613 #13633E #133863

monochromatic

#1A0605 #300B09 #631613 #96211D #CA2D27

Accessibility & contrast

On white

12.69

#631613 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#631613 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631613

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631613	#FFFFFF	#000000	##FFFFFF
##631613	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2812

Deuteranopia (green-blind)

#403910

Tritanopia (blue-blind)

#6E0016

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631613;
/* rgb */ color: rgb(99, 22, 19);
/* oklch */ color: oklch(33.3% 0.110 27.3);

Tailwind

colors: {
  custom: {
    50: '#965a51',
    500: '#631613',
    950: '#000000',
  },
}

SCSS

$custom: #631613;
$custom-light: #965a51;
$custom-dark: #000000;

JSON

{
  "hex": "#631613",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 19
  },
  "hsl": {
    "h": 2.25,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33302,
    "c": 0.11022,
    "h": 27.3
  },
  "luminance": 0.03273
}

Semantic roles & 50–950 ramp

primary

#631613

secondary

#37979B

accent

#E4EB3D

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #631613

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

Preview Lab → · Contrast checker → · Palette generator →