#63161C#63161C

#63161C is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.5% C 0.109 H 21.3°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#63161C
RGB	rgb(99, 22, 28)
HSL	hsl(355, 64%, 24%)
HSV	hsv(355, 78%, 39%)
CMYK	cmyk(0%, 77.8%, 71.7%, 61.2%)
CIE-LAB	lab(21.25, 34.50, 16.92)
CIE-LCH	lch(21.25, 38.42, 26.13°)
OKLab	oklab(33.45% 0.1016 0.0397)
OKLCH	oklch(33.45% 0.109 21.3)
XYZ	xyz(5.6427, 3.3112, 1.4404)
Luminance	0.0331 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63161C #16635D

analogous

#631642 #63161C #633616

triadic

#63161C #1C6316 #161C63

tetradic

#63161C #426316 #16635D #361663

square

#63161C #426316 #16635D #361663

split-complementary

#63161C #166336 #164263

monochromatic

#190607 #310B0E #63161C #95212A #C72C38

Accessibility & contrast

On white

12.64

#63161C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#63161C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63161C

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63161C	#FFFFFF	#000000	##FFFFFF
##63161C	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C291C

Deuteranopia (green-blind)

#3F391A

Tritanopia (blue-blind)

#6D0019

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #63161c;
/* rgb */ color: rgb(99, 22, 28);
/* oklch */ color: oklch(33.5% 0.109 21.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#63161c",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 28
  },
  "hsl": {
    "h": 355.325,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3345,
    "c": 0.10911,
    "h": 21.3
  },
  "luminance": 0.0331
}

Semantic roles & 50–950 ramp

primary

#63161C

secondary

#3B9A92

accent

#E7DA41

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #63161C

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

Preview Lab → · Contrast checker → · Palette generator →