#63121F#63121F

#63121F is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.1% C 0.113 H 17.6°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#63121F
RGB	rgb(99, 18, 31)
HSL	hsl(350, 69%, 23%)
HSV	hsv(350, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 68.7%, 61.2%)
CIE-LAB	lab(20.77, 36.18, 14.25)
CIE-LCH	lch(20.77, 38.89, 21.50°)
OKLab	oklab(33.11% 0.1077 0.0341)
OKLCH	oklch(33.11% 0.113 17.6)
XYZ	xyz(5.6098, 3.1850, 1.6154)
Luminance	0.0318 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63121F #126356

analogous

#631247 #63121F #632D12

triadic

#63121F #1F6312 #121F63

tetradic

#63121F #476312 #126356 #2D1263

square

#63121F #476312 #126356 #2D1263

split-complementary

#63121F #12632D #124763

monochromatic

#1A0508 #2F090F #63121F #971B2F #CB253F

Accessibility & contrast

On white

12.83

#63121F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#63121F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63121F

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63121F	#FFFFFF	#000000	##FFFFFF
##63121F	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29271F

Deuteranopia (green-blind)

#3E381D

Tritanopia (blue-blind)

#6D0018

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #63121f;
/* rgb */ color: rgb(99, 18, 31);
/* oklch */ color: oklch(33.1% 0.113 17.6);

Tailwind

colors: {
  custom: {
    50: '#95585a',
    500: '#63121f',
    950: '#000000',
  },
}

SCSS

$custom: #63121f;
$custom-light: #95585a;
$custom-dark: #000000;

JSON

{
  "hex": "#63121f",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 31
  },
  "hsl": {
    "h": 350.37,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33112,
    "c": 0.11298,
    "h": 17.6
  },
  "luminance": 0.03184
}

Semantic roles & 50–950 ramp

primary

#63121F

secondary

#369B8B

accent

#ECD03C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #63121F

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

Preview Lab → · Contrast checker → · Palette generator →