#631512#631512

#631512 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.2% C 0.111 H 27.4°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#631512
RGB	rgb(99, 21, 18)
HSL	hsl(2, 69%, 23%)
HSV	hsv(2, 82%, 39%)
CMYK	cmyk(0%, 78.8%, 81.8%, 61.2%)
CIE-LAB	lab(20.96, 34.38, 23.18)
CIE-LCH	lch(20.96, 41.46, 33.99°)
OKLab	oklab(33.18% 0.0988 0.0512)
OKLCH	oklch(33.18% 0.111 27.4)
XYZ	xyz(5.5236, 3.2335, 0.9054)
Luminance	0.0323 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631512 #126063

analogous

#631237 #631512 #633D12

triadic

#631512 #126315 #151263

tetradic

#631512 #376312 #126063 #3D1263

square

#631512 #376312 #126063 #3D1263

split-complementary

#631512 #12633D #123763

monochromatic

#1A0505 #2F0A09 #631512 #97201B #CB2B25

Accessibility & contrast

On white

12.75

#631512 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#631512 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631512

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631512	#FFFFFF	#000000	##FFFFFF
##631512	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2811

Deuteranopia (green-blind)

#40390F

Tritanopia (blue-blind)

#6E0015

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631512;
/* rgb */ color: rgb(99, 21, 18);
/* oklch */ color: oklch(33.2% 0.111 27.4);

Tailwind

colors: {
  custom: {
    50: '#965950',
    500: '#631512',
    950: '#000000',
  },
}

SCSS

$custom: #631512;
$custom-light: #965950;
$custom-dark: #000000;

JSON

{
  "hex": "#631512",
  "rgb": {
    "r": 99,
    "g": 21,
    "b": 18
  },
  "hsl": {
    "h": 2.222,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33182,
    "c": 0.11133,
    "h": 27.4
  },
  "luminance": 0.03233
}

Semantic roles & 50–950 ramp

primary

#631512

secondary

#36979B

accent

#E6EC3C

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #631512

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

Preview Lab → · Contrast checker → · Palette generator →