#63191C#63191C

#63191C is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.106 H 22.8°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#63191C
RGB	rgb(99, 25, 28)
HSL	hsl(358, 60%, 24%)
HSV	hsv(358, 75%, 39%)
CMYK	cmyk(0%, 74.7%, 71.7%, 61.2%)
CIE-LAB	lab(21.70, 33.25, 17.48)
CIE-LCH	lch(21.70, 37.57, 27.73°)
OKLab	oklab(33.78% 0.0977 0.041)
OKLCH	oklch(33.78% 0.106 22.8)
XYZ	xyz(5.7034, 3.4326, 1.4606)
Luminance	0.0343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63191C #196360

analogous

#631941 #63191C #633B19

triadic

#63191C #1C6319 #191C63

tetradic

#63191C #416319 #196360 #3B1963

square

#63191C #416319 #196360 #3B1963

split-complementary

#63191C #19633B #194163

monochromatic

#180607 #320D0E #63191C #94252A #C53238

Accessibility & contrast

On white

12.45

#63191C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#63191C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63191C

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63191C	#FFFFFF	#000000	##FFFFFF
##63191C	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A1B

Deuteranopia (green-blind)

#403A1A

Tritanopia (blue-blind)

#6D031B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #63191c;
/* rgb */ color: rgb(99, 25, 28);
/* oklch */ color: oklch(33.8% 0.106 22.8);

Tailwind

colors: {
  custom: {
    50: '#955b58',
    500: '#63191c',
    950: '#000000',
  },
}

SCSS

$custom: #63191c;
$custom-light: #955b58;
$custom-dark: #000000;

JSON

{
  "hex": "#63191c",
  "rgb": {
    "r": 99,
    "g": 25,
    "b": 28
  },
  "hsl": {
    "h": 357.568,
    "s": 59.677,
    "l": 24.314
  },
  "oklch": {
    "l": 0.33785,
    "c": 0.10591,
    "h": 22.8
  },
  "luminance": 0.03432
}

Semantic roles & 50–950 ramp

primary

#63191C

secondary

#3F9995

accent

#E3DC45

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #63191C

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

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