#63161A#63161A

#63161A is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.109 H 22.8°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#63161A
RGB	rgb(99, 22, 26)
HSL	hsl(357, 64%, 24%)
HSV	hsv(357, 78%, 39%)
CMYK	cmyk(0%, 77.8%, 73.7%, 61.2%)
CIE-LAB	lab(21.21, 34.38, 18.24)
CIE-LCH	lch(21.21, 38.92, 27.94°)
OKLab	oklab(33.41% 0.1008 0.0423)
OKLCH	oklch(33.41% 0.109 22.8)
XYZ	xyz(5.6196, 3.3019, 1.3185)
Luminance	0.0330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63161A #16635F

analogous

#631640 #63161A #633816

triadic

#63161A #1A6316 #161A63

tetradic

#63161A #406316 #16635F #381663

square

#63161A #406316 #16635F #381663

split-complementary

#63161A #166338 #164063

monochromatic

#190607 #310B0D #63161A #952127 #C72C34

Accessibility & contrast

On white

12.65

#63161A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#63161A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63161A

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63161A	#FFFFFF	#000000	##FFFFFF
##63161A	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2819

Deuteranopia (green-blind)

#3F3918

Tritanopia (blue-blind)

#6D0018

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #63161a;
/* rgb */ color: rgb(99, 22, 26);
/* oklch */ color: oklch(33.4% 0.109 22.8);

Tailwind

colors: {
  custom: {
    50: '#965a56',
    500: '#63161a',
    950: '#000000',
  },
}

SCSS

$custom: #63161a;
$custom-light: #965a56;
$custom-dark: #000000;

JSON

{
  "hex": "#63161a",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 26
  },
  "hsl": {
    "h": 356.883,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33413,
    "c": 0.10929,
    "h": 22.8
  },
  "luminance": 0.03301
}

Semantic roles & 50–950 ramp

primary

#63161A

secondary

#3B9A95

accent

#E7DE41

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #63161A

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

Preview Lab → · Contrast checker → · Palette generator →