#631212#631212

#631212 is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.9% C 0.114 H 26.2°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#631212
RGB	rgb(99, 18, 18)
HSL	hsl(0, 69%, 23%)
HSV	hsv(0, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 81.8%, 61.2%)
CIE-LAB	lab(20.56, 35.49, 22.74)
CIE-LCH	lch(20.56, 42.15, 32.65°)
OKLab	oklab(32.89% 0.1024 0.0503)
OKLCH	oklch(32.89% 0.114 26.2)
XYZ	xyz(5.4717, 3.1298, 0.8882)
Luminance	0.0313 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631212 #126363

analogous

#63123A #631212 #633A12

triadic

#631212 #126312 #121263

tetradic

#631212 #3A6312 #126363 #3A1263

square

#631212 #3A6312 #126363 #3A1263

split-complementary

#631212 #12633A #123A63

monochromatic

#1A0505 #2F0909 #631212 #971B1B #CB2525

Accessibility & contrast

On white

12.92

#631212 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#631212 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631212

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631212	#FFFFFF	#000000	##FFFFFF
##631212	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2611

Deuteranopia (green-blind)

#3F380F

Tritanopia (blue-blind)

#6E0013

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #631212;
/* rgb */ color: rgb(99, 18, 18);
/* oklch */ color: oklch(32.9% 0.114 26.2);

Tailwind

colors: {
  custom: {
    50: '#975850',
    500: '#631212',
    950: '#000000',
  },
}

SCSS

$custom: #631212;
$custom-light: #975850;
$custom-dark: #000000;

JSON

{
  "hex": "#631212",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 18
  },
  "hsl": {
    "h": 0,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32885,
    "c": 0.11405,
    "h": 26.2
  },
  "luminance": 0.03129
}

Semantic roles & 50–950 ramp

primary

#631212

secondary

#369B9B

accent

#ECEC3C

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #631212

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

Preview Lab → · Contrast checker → · Palette generator →