#631825#631825

#631825 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.9% C 0.107 H 15.2°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#631825
RGB	rgb(99, 24, 37)
HSL	hsl(350, 61%, 24%)
HSV	hsv(350, 76%, 39%)
CMYK	cmyk(0%, 75.8%, 62.6%, 61.2%)
CIE-LAB	lab(21.73, 34.31, 11.34)
CIE-LCH	lch(21.73, 36.13, 18.29°)
OKLab	oklab(33.87% 0.103 0.0279)
OKLCH	oklch(33.87% 0.107 15.2)
XYZ	xyz(5.8067, 3.4403, 2.1082)
Luminance	0.0344 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631825 #186356

analogous

#63184B #631825 #633118

triadic

#631825 #256318 #182563

tetradic

#631825 #4B6318 #186356 #311863

square

#631825 #4B6318 #186356 #311863

split-complementary

#631825 #186331 #184B63

monochromatic

#190609 #320C13 #631825 #942437 #C6304A

Accessibility & contrast

On white

12.44

#631825 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#631825 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631825

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631825	#FFFFFF	#000000	##FFFFFF
##631825	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2A25

Deuteranopia (green-blind)

#3F3A23

Tritanopia (blue-blind)

#6D051D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #631825;
/* rgb */ color: rgb(99, 24, 37);
/* oklch */ color: oklch(33.9% 0.107 15.2);

Tailwind

colors: {
  custom: {
    50: '#955b5f',
    500: '#631825',
    950: '#000000',
  },
}

SCSS

$custom: #631825;
$custom-light: #955b5f;
$custom-dark: #000000;

JSON

{
  "hex": "#631825",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 37
  },
  "hsl": {
    "h": 349.6,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33865,
    "c": 0.10669,
    "h": 15.2
  },
  "luminance": 0.03439
}

Semantic roles & 50–950 ramp

primary

#631825

secondary

#3E9989

accent

#E4C844

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631825

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

Preview Lab → · Contrast checker → · Palette generator →