#63161D#63161D

#63161D is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.5% C 0.109 H 20.6°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#63161D
RGB	rgb(99, 22, 29)
HSL	hsl(355, 64%, 24%)
HSV	hsv(355, 78%, 39%)
CMYK	cmyk(0%, 77.8%, 70.7%, 61.2%)
CIE-LAB	lab(21.27, 34.56, 16.26)
CIE-LCH	lch(21.27, 38.19, 25.20°)
OKLab	oklab(33.47% 0.1021 0.0384)
OKLCH	oklch(33.47% 0.109 20.6)
XYZ	xyz(5.6549, 3.3160, 1.5045)
Luminance	0.0331 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63161D #16635C

analogous

#631643 #63161D #633516

triadic

#63161D #1D6316 #161D63

tetradic

#63161D #436316 #16635C #351663

square

#63161D #436316 #16635C #351663

split-complementary

#63161D #166335 #164363

monochromatic

#190607 #310B0E #63161D #95212C #C72C3A

Accessibility & contrast

On white

12.63

#63161D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#63161D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63161D

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63161D	#FFFFFF	#000000	##FFFFFF
##63161D	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C291D

Deuteranopia (green-blind)

#3F391B

Tritanopia (blue-blind)

#6D0019

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #63161d;
/* rgb */ color: rgb(99, 22, 29);
/* oklch */ color: oklch(33.5% 0.109 20.6);

Tailwind

colors: {
  custom: {
    50: '#955a58',
    500: '#63161d',
    950: '#000000',
  },
}

SCSS

$custom: #63161d;
$custom-light: #955a58;
$custom-dark: #000000;

JSON

{
  "hex": "#63161d",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 29
  },
  "hsl": {
    "h": 354.545,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33469,
    "c": 0.10904,
    "h": 20.6
  },
  "luminance": 0.03315
}

Semantic roles & 50–950 ramp

primary

#63161D

secondary

#3B9A91

accent

#E7D841

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #63161D

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

Preview Lab → · Contrast checker → · Palette generator →