#631722#631722

#631722 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.108 H 17.2°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#631722
RGB	rgb(99, 23, 34)
HSL	hsl(351, 62%, 24%)
HSV	hsv(351, 77%, 39%)
CMYK	cmyk(0%, 76.8%, 65.7%, 61.2%)
CIE-LAB	lab(21.51, 34.49, 13.14)
CIE-LCH	lch(21.51, 36.91, 20.85°)
OKLab	oklab(33.68% 0.103 0.0319)
OKLCH	oklch(33.68% 0.108 17.2)
XYZ	xyz(5.7413, 3.3818, 1.8635)
Luminance	0.0338 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631722 #176358

analogous

#631748 #631722 #633217

triadic

#631722 #226317 #172263

tetradic

#631722 #486317 #176358 #321763

square

#631722 #486317 #176358 #321763

split-complementary

#631722 #176332 #174863

monochromatic

#190609 #310B11 #631722 #952333 #C62E44

Accessibility & contrast

On white

12.53

#631722 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#631722 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631722

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631722	#FFFFFF	#000000	##FFFFFF
##631722	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2922

Deuteranopia (green-blind)

#3F3920

Tritanopia (blue-blind)

#6D021C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #631722;
/* rgb */ color: rgb(99, 23, 34);
/* oklch */ color: oklch(33.7% 0.108 17.2);

Tailwind

colors: {
  custom: {
    50: '#955b5c',
    500: '#631722',
    950: '#000000',
  },
}

SCSS

$custom: #631722;
$custom-light: #955b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#631722",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 34
  },
  "hsl": {
    "h": 351.316,
    "s": 62.295,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33683,
    "c": 0.10778,
    "h": 17.2
  },
  "luminance": 0.03381
}

Semantic roles & 50–950 ramp

primary

#631722

secondary

#3C9A8C

accent

#E5CE42

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631722

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

Preview Lab → · Contrast checker → · Palette generator →