#631410#631410

#631410 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.1% C 0.113 H 28.0°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#631410
RGB	rgb(99, 20, 16)
HSL	hsl(3, 72%, 23%)
HSV	hsv(3, 84%, 39%)
CMYK	cmyk(0%, 79.8%, 83.8%, 61.2%)
CIE-LAB	lab(20.79, 34.68, 24.17)
CIE-LCH	lch(20.79, 42.27, 34.87°)
OKLab	oklab(33.05% 0.0993 0.0529)
OKLCH	oklch(33.05% 0.113 28)
XYZ	xyz(5.4899, 3.1912, 0.8170)
Luminance	0.0319 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631410 #105F63

analogous

#631035 #631410 #633E10

triadic

#631410 #106314 #141063

tetradic

#631410 #356310 #105F63 #3E1063

square

#631410 #356310 #105F63 #3E1063

split-complementary

#631410 #10633E #103563

monochromatic

#1A0504 #2E0907 #631410 #981F19 #CC2921

Accessibility & contrast

On white

12.82

#631410 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#631410 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631410

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631410	#FFFFFF	#000000	##FFFFFF
##631410	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C270F

Deuteranopia (green-blind)

#40380C

Tritanopia (blue-blind)

#6E0014

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631410;
/* rgb */ color: rgb(99, 20, 16);
/* oklch */ color: oklch(33.1% 0.113 28.0);

Tailwind

colors: {
  custom: {
    50: '#97594e',
    500: '#631410',
    950: '#000000',
  },
}

SCSS

$custom: #631410;
$custom-light: #97594e;
$custom-dark: #000000;

JSON

{
  "hex": "#631410",
  "rgb": {
    "r": 99,
    "g": 20,
    "b": 16
  },
  "hsl": {
    "h": 2.892,
    "s": 72.174,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33054,
    "c": 0.11256,
    "h": 28
  },
  "luminance": 0.0319
}

Semantic roles & 50–950 ramp

primary

#631410

secondary

#33979C

accent

#E6EF39

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #631410

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

Preview Lab → · Contrast checker → · Palette generator →