#631829#631829

#631829 is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.107 H 11.8°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#631829
RGB	rgb(99, 24, 41)
HSL	hsl(346, 61%, 24%)
HSV	hsv(346, 76%, 39%)
CMYK	cmyk(0%, 75.8%, 58.6%, 61.2%)
CIE-LAB	lab(21.82, 34.64, 8.69)
CIE-LCH	lch(21.82, 35.71, 14.09°)
OKLab	oklab(33.97% 0.1047 0.0219)
OKLCH	oklch(33.97% 0.107 11.8)
XYZ	xyz(5.8730, 3.4668, 2.4573)
Luminance	0.0347 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631829 #186352

analogous

#63184F #631829 #632D18

triadic

#631829 #296318 #182963

tetradic

#631829 #4F6318 #186352 #2D1863

square

#631829 #4F6318 #186352 #2D1863

split-complementary

#631829 #18632D #184F63

monochromatic

#19060A #320C15 #631829 #94243D #C63052

Accessibility & contrast

On white

12.40

#631829 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#631829 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631829

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631829	#FFFFFF	#000000	##FFFFFF
##631829	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2B29

Deuteranopia (green-blind)

#3E3A27

Tritanopia (blue-blind)

#6D071F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #631829;
/* rgb */ color: rgb(99, 24, 41);
/* oklch */ color: oklch(34.0% 0.107 11.8);

Tailwind

colors: {
  custom: {
    50: '#945b62',
    500: '#631829',
    950: '#000000',
  },
}

SCSS

$custom: #631829;
$custom-light: #945b62;
$custom-dark: #000000;

JSON

{
  "hex": "#631829",
  "rgb": {
    "r": 99,
    "g": 24,
    "b": 41
  },
  "hsl": {
    "h": 346.4,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33968,
    "c": 0.107,
    "h": 11.8
  },
  "luminance": 0.03466
}

Semantic roles & 50–950 ramp

primary

#631829

secondary

#3E9984

accent

#E4C044

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #631829

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

Preview Lab → · Contrast checker → · Palette generator →