#631824#631824

#631824 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.8% C 0.107 H 16.0°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#631824
RGB	rgb(99, 24, 36)
HSL	hsl(350, 61%, 24%)
HSV	hsv(350, 76%, 39%)
CMYK	cmyk(0%, 75.8%, 63.6%, 61.2%)
CIE-LAB	lab(21.70, 34.23, 12.01)
CIE-LCH	lch(21.70, 36.27, 19.33°)
OKLab	oklab(33.84% 0.1025 0.0294)
OKLCH	oklch(33.84% 0.107 16)
XYZ	xyz(5.7912, 3.4341, 2.0266)
Luminance	0.0343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631824 #186357

analogous

#63184A #631824 #633218

triadic

#631824 #246318 #182463

tetradic

#631824 #4A6318 #186357 #321863

square

#631824 #4A6318 #186357 #321863

split-complementary

#631824 #186332 #184A63

monochromatic

#190609 #320C12 #631824 #942436 #C63048

Accessibility & contrast

On white

12.45

#631824 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#631824 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631824

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631824	#FFFFFF	#000000	##FFFFFF
##631824	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)

#2C2A24

Deuteranopia (green-blind)

#3F3A22

Tritanopia (blue-blind)

#6D041D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #631824;
/* rgb */ color: rgb(99, 24, 36);
/* oklch */ color: oklch(33.8% 0.107 16.0);

Tailwind

colors: {
  custom: {
    50: '#955b5e',
    500: '#631824',
    950: '#000000',
  },
}

SCSS

$custom: #631824;
$custom-light: #955b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#631824",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 36
  },
  "hsl": {
    "h": 350.4,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33841,
    "c": 0.10666,
    "h": 16
  },
  "luminance": 0.03433
}

Semantic roles & 50–950 ramp

primary

#631824

secondary

#3E998B

accent

#E4CA44

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #631824

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

Preview Lab → · Contrast checker → · Palette generator →