#631415#631415

#631415 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.1% C 0.112 H 25.2°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#631415
RGB	rgb(99, 20, 21)
HSL	hsl(359, 66%, 23%)
HSV	hsv(359, 80%, 39%)
CMYK	cmyk(0%, 79.8%, 78.8%, 61.2%)
CIE-LAB	lab(20.86, 34.89, 21.15)
CIE-LCH	lch(20.86, 40.80, 31.22°)
OKLab	oklab(33.12% 0.1012 0.0476)
OKLCH	oklch(33.12% 0.112 25.2)
XYZ	xyz(5.5317, 3.2080, 1.0372)
Luminance	0.0321 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631415 #146362

analogous

#63143C #631415 #633A14

triadic

#631415 #156314 #141563

tetradic

#631415 #3C6314 #146362 #3A1463

square

#631415 #3C6314 #146362 #3A1463

split-complementary

#631415 #14633A #143C63

monochromatic

#190505 #300A0A #631415 #961E20 #C9292B

Accessibility & contrast

On white

12.79

#631415 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#631415 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631415

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631415	#FFFFFF	#000000	##FFFFFF
##631415	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2714

Deuteranopia (green-blind)

#3F3812

Tritanopia (blue-blind)

#6E0015

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #631415;
/* rgb */ color: rgb(99, 20, 21);
/* oklch */ color: oklch(33.1% 0.112 25.2);

Tailwind

colors: {
  custom: {
    50: '#965952',
    500: '#631415',
    950: '#000000',
  },
}

SCSS

$custom: #631415;
$custom-light: #965952;
$custom-dark: #000000;

JSON

{
  "hex": "#631415",
  "rgb": {
    "r": 99,
    "g": 20,
    "b": 21
  },
  "hsl": {
    "h": 359.241,
    "s": 66.387,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33123,
    "c": 0.11184,
    "h": 25.2
  },
  "luminance": 0.03207
}

Semantic roles & 50–950 ramp

primary

#631415

secondary

#389A99

accent

#E9E73E

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #631415

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

Preview Lab → · Contrast checker → · Palette generator →