#63191F#63191F

#63191F is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.106 H 20.5°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#63191F
RGB	rgb(99, 25, 31)
HSL	hsl(355, 60%, 24%)
HSV	hsv(355, 75%, 39%)
CMYK	cmyk(0%, 74.7%, 68.7%, 61.2%)
CIE-LAB	lab(21.75, 33.45, 15.51)
CIE-LCH	lch(21.75, 36.87, 24.88°)
OKLab	oklab(33.84% 0.099 0.037)
OKLCH	oklch(33.84% 0.106 20.5)
XYZ	xyz(5.7411, 3.4477, 1.6592)
Luminance	0.0345 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63191F #19635D

analogous

#631944 #63191F #633819

triadic

#63191F #1F6319 #191F63

tetradic

#63191F #446319 #19635D #381963

square

#63191F #446319 #19635D #381963

split-complementary

#63191F #196338 #194463

monochromatic

#180608 #320D10 #63191F #94252E #C5323E

Accessibility & contrast

On white

12.43

#63191F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#63191F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63191F

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63191F	#FFFFFF	#000000	##FFFFFF
##63191F	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2A1F

Deuteranopia (green-blind)

#403A1D

Tritanopia (blue-blind)

#6D041C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #63191f;
/* rgb */ color: rgb(99, 25, 31);
/* oklch */ color: oklch(33.8% 0.106 20.5);

Tailwind

colors: {
  custom: {
    50: '#955c5a',
    500: '#63191f',
    950: '#000000',
  },
}

SCSS

$custom: #63191f;
$custom-light: #955c5a;
$custom-dark: #000000;

JSON

{
  "hex": "#63191f",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 31
  },
  "hsl": {
    "h": 355.135,
    "s": 59.677,
    "l": 24.314
  },
  "oklch": {
    "l": 0.33844,
    "c": 0.10565,
    "h": 20.5
  },
  "luminance": 0.03447
}

Semantic roles & 50–950 ramp

primary

#63191F

secondary

#3F9992

accent

#E3D645

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #63191F

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

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