#63121A#63121A

#63121A is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.0% C 0.113 H 21.2°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#63121A
RGB	rgb(99, 18, 26)
HSL	hsl(354, 69%, 23%)
HSV	hsv(354, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 73.7%, 61.2%)
CIE-LAB	lab(20.68, 35.88, 17.58)
CIE-LCH	lch(20.68, 39.96, 26.11°)
OKLab	oklab(33.01% 0.1056 0.0409)
OKLCH	oklch(33.01% 0.113 21.2)
XYZ	xyz(5.5490, 3.1607, 1.2950)
Luminance	0.0316 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63121A #12635B

analogous

#631242 #63121A #633212

triadic

#63121A #1A6312 #121A63

tetradic

#63121A #426312 #12635B #321263

square

#63121A #426312 #12635B #321263

split-complementary

#63121A #126332 #124263

monochromatic

#1A0507 #2F090C #63121A #971B28 #CB2535

Accessibility & contrast

On white

12.87

#63121A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#63121A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63121A

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63121A	#FFFFFF	#000000	##FFFFFF
##63121A	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271A

Deuteranopia (green-blind)

#3E3817

Tritanopia (blue-blind)

#6D0016

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #63121a;
/* rgb */ color: rgb(99, 18, 26);
/* oklch */ color: oklch(33.0% 0.113 21.2);

Tailwind

colors: {
  custom: {
    50: '#965856',
    500: '#63121a',
    950: '#000000',
  },
}

SCSS

$custom: #63121a;
$custom-light: #965856;
$custom-dark: #000000;

JSON

{
  "hex": "#63121a",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 26
  },
  "hsl": {
    "h": 354.074,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33012,
    "c": 0.11318,
    "h": 21.2
  },
  "luminance": 0.0316
}

Semantic roles & 50–950 ramp

primary

#63121A

secondary

#369B91

accent

#ECDB3C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #63121A

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

Preview Lab → · Contrast checker → · Palette generator →