#63161B#63161B

#63161B is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.109 H 22.1°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#63161B
RGB	rgb(99, 22, 27)
HSL	hsl(356, 64%, 24%)
HSV	hsv(356, 78%, 39%)
CMYK	cmyk(0%, 77.8%, 72.7%, 61.2%)
CIE-LAB	lab(21.23, 34.44, 17.58)
CIE-LCH	lch(21.23, 38.66, 27.04°)
OKLab	oklab(33.43% 0.1012 0.041)
OKLCH	oklch(33.43% 0.109 22.1)
XYZ	xyz(5.6309, 3.3064, 1.3784)
Luminance	0.0331 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63161B #16635E

analogous

#631641 #63161B #633716

triadic

#63161B #1B6316 #161B63

tetradic

#63161B #416316 #16635E #371663

square

#63161B #416316 #16635E #371663

split-complementary

#63161B #166337 #164163

monochromatic

#190607 #310B0D #63161B #952129 #C72C36

Accessibility & contrast

On white

12.64

#63161B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#63161B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63161B

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63161B	#FFFFFF	#000000	##FFFFFF
##63161B	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)

#2C281B

Deuteranopia (green-blind)

#3F3919

Tritanopia (blue-blind)

#6D0019

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #63161b;
/* rgb */ color: rgb(99, 22, 27);
/* oklch */ color: oklch(33.4% 0.109 22.1);

Tailwind

colors: {
  custom: {
    50: '#965a57',
    500: '#63161b',
    950: '#000000',
  },
}

SCSS

$custom: #63161b;
$custom-light: #965a57;
$custom-dark: #000000;

JSON

{
  "hex": "#63161b",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 27
  },
  "hsl": {
    "h": 356.104,
    "s": 63.636,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33431,
    "c": 0.10919,
    "h": 22.1
  },
  "luminance": 0.03306
}

Semantic roles & 50–950 ramp

primary

#63161B

secondary

#3B9A94

accent

#E7DC41

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #63161B

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

Preview Lab → · Contrast checker → · Palette generator →