#63121D#63121D

#63121D is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.1% C 0.113 H 19.0°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#63121D
RGB	rgb(99, 18, 29)
HSL	hsl(352, 69%, 23%)
HSV	hsv(352, 82%, 39%)
CMYK	cmyk(0%, 81.8%, 70.7%, 61.2%)
CIE-LAB	lab(20.73, 36.06, 15.59)
CIE-LCH	lch(20.73, 39.28, 23.38°)
OKLab	oklab(33.07% 0.1068 0.0369)
OKLCH	oklch(33.07% 0.113 19)
XYZ	xyz(5.5843, 3.1748, 1.4809)
Luminance	0.0317 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63121D #126358

analogous

#631245 #63121D #632F12

triadic

#63121D #1D6312 #121D63

tetradic

#63121D #456312 #126358 #2F1263

square

#63121D #456312 #126358 #2F1263

split-complementary

#63121D #12632F #124563

monochromatic

#1A0508 #2F090E #63121D #971B2C #CB253B

Accessibility & contrast

On white

12.85

#63121D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#63121D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63121D

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63121D	#FFFFFF	#000000	##FFFFFF
##63121D	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271D

Deuteranopia (green-blind)

#3E381B

Tritanopia (blue-blind)

#6D0017

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #63121d;
/* rgb */ color: rgb(99, 18, 29);
/* oklch */ color: oklch(33.1% 0.113 19.0);

Tailwind

colors: {
  custom: {
    50: '#965858',
    500: '#63121d',
    950: '#000000',
  },
}

SCSS

$custom: #63121d;
$custom-light: #965858;
$custom-dark: #000000;

JSON

{
  "hex": "#63121d",
  "rgb": {
    "r": 99,
    "g": 18,
    "b": 29
  },
  "hsl": {
    "h": 351.852,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3307,
    "c": 0.11303,
    "h": 19
  },
  "luminance": 0.03174
}

Semantic roles & 50–950 ramp

primary

#63121D

secondary

#369B8D

accent

#ECD43C

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #63121D

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

Preview Lab → · Contrast checker → · Palette generator →