#631E0E#631E0E

#631E0E is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.2% C 0.103 H 34.3°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#631E0E
RGB	rgb(99, 30, 14)
HSL	hsl(11, 75%, 22%)
HSV	hsv(11, 86%, 39%)
CMYK	cmyk(0%, 69.7%, 85.9%, 61.2%)
CIE-LAB	lab(22.35, 30.29, 26.90)
CIE-LCH	lch(22.35, 40.51, 41.61°)
OKLab	oklab(34.21% 0.0852 0.0582)
OKLCH	oklch(34.21% 0.103 34.3)
XYZ	xyz(5.6898, 3.6137, 0.8133)
Luminance	0.0361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E0E #0E5363

analogous

#630E29 #631E0E #63490E

triadic

#631E0E #0E631E #1E0E63

tetradic

#631E0E #29630E #0E5363 #490E63

square

#631E0E #29630E #0E5363 #490E63

split-complementary

#631E0E #0E6349 #0E2963

monochromatic

#1B0804 #2D0E06 #631E0E #992E16 #CE3E1D

Accessibility & contrast

On white

12.19

#631E0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#631E0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E0E

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E0E	#FFFFFF	#000000	##FFFFFF
##631E0E	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C0C

Deuteranopia (green-blind)

#433B0B

Tritanopia (blue-blind)

#6E0A1B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #631e0e;
/* rgb */ color: rgb(99, 30, 14);
/* oklch */ color: oklch(34.2% 0.103 34.3);

Tailwind

colors: {
  custom: {
    50: '#965e4e',
    500: '#631e0e',
    950: '#000000',
  },
}

SCSS

$custom: #631e0e;
$custom-light: #965e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#631e0e",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 14
  },
  "hsl": {
    "h": 11.294,
    "s": 75.221,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34213,
    "c": 0.10319,
    "h": 34.3
  },
  "luminance": 0.03613
}

Semantic roles & 50–950 ramp

primary

#631E0E

secondary

#30889C

accent

#CEF236

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0401

muted

#7E7977

Preview Lab

Preview with #631E0E

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

Preview Lab → · Contrast checker → · Palette generator →