#631E11#631E11

#631E11 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.2% C 0.103 H 32.8°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#631E11
RGB	rgb(99, 30, 17)
HSL	hsl(10, 71%, 23%)
HSV	hsv(10, 83%, 39%)
CMYK	cmyk(0%, 69.7%, 82.8%, 61.2%)
CIE-LAB	lab(22.38, 30.41, 25.31)
CIE-LCH	lch(22.38, 39.56, 39.77°)
OKLab	oklab(34.25% 0.0862 0.0555)
OKLCH	oklch(34.25% 0.103 32.8)
XYZ	xyz(5.7117, 3.6225, 0.9287)
Luminance	0.0362 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631E11 #115663

analogous

#63112D #631E11 #634711

triadic

#631E11 #11631E #1E1163

tetradic

#631E11 #2D6311 #115663 #471163

square

#631E11 #2D6311 #115663 #471163

split-complementary

#631E11 #116347 #112D63

monochromatic

#1A0804 #2F0E08 #631E11 #972E1A #CB3E23

Accessibility & contrast

On white

12.18

#631E11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#631E11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631E11

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631E11	#FFFFFF	#000000	##FFFFFF
##631E11	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C0F

Deuteranopia (green-blind)

#433B0E

Tritanopia (blue-blind)

#6E0A1B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #631e11;
/* rgb */ color: rgb(99, 30, 17);
/* oklch */ color: oklch(34.2% 0.103 32.8);

Tailwind

colors: {
  custom: {
    50: '#965e50',
    500: '#631e11',
    950: '#000000',
  },
}

SCSS

$custom: #631e11;
$custom-light: #965e50;
$custom-dark: #000000;

JSON

{
  "hex": "#631e11",
  "rgb": {
    "r": 99,
    "g": 30,
    "b": 17
  },
  "hsl": {
    "h": 9.512,
    "s": 70.69,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34247,
    "c": 0.10252,
    "h": 32.8
  },
  "luminance": 0.03622
}

Semantic roles & 50–950 ramp

primary

#631E11

secondary

#348B9B

accent

#D1ED3A

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #631E11

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

Preview Lab → · Contrast checker → · Palette generator →