#631E29#631E29

#631E29 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.099 H 14.6°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#631E29
RGB	rgb(99, 30, 41)
HSL	hsl(350, 53%, 25%)
HSV	hsv(350, 70%, 39%)
CMYK	cmyk(0%, 69.7%, 58.6%, 61.2%)
CIE-LAB	lab(22.80, 31.96, 10.03)
CIE-LCH	lch(22.80, 33.50, 17.42°)
OKLab	oklab(34.69% 0.0962 0.0251)
OKLCH	oklch(34.69% 0.099 14.6)
XYZ	xyz(6.0106, 3.7421, 2.5032)
Luminance	0.0374 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E29 #1E6358

analogous

#631E4B #631E29 #63361E

triadic

#631E29 #29631E #1E2963

tetradic

#631E29 #4B631E #1E6358 #361E63

square

#631E29 #4B631E #1E6358 #361E63

split-complementary

#631E29 #1E6336 #1E4B63

monochromatic

#17070A #341016 #631E29 #922C3C #C13A50

Accessibility & contrast

On white

12.01

#631E29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#631E29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E29

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E29	#FFFFFF	#000000	##FFFFFF
##631E29	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D29

Deuteranopia (green-blind)

#403C27

Tritanopia (blue-blind)

#6D1122

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #631e29;
/* rgb */ color: rgb(99, 30, 41);
/* oklch */ color: oklch(34.7% 0.099 14.6);

Tailwind

colors: {
  custom: {
    50: '#945e62',
    500: '#631e29',
    950: '#000000',
  },
}

SCSS

$custom: #631e29;
$custom-light: #945e62;
$custom-dark: #000000;

JSON

{
  "hex": "#631e29",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 41
  },
  "hsl": {
    "h": 350.435,
    "s": 53.488,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34694,
    "c": 0.09941,
    "h": 14.6
  },
  "luminance": 0.03741
}

Semantic roles & 50–950 ramp

primary

#631E29

secondary

#45988B

accent

#DDC64B

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #631E29

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

Preview Lab → · Contrast checker → · Palette generator →