#631615#631615

#631615 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.3% C 0.110 H 26.1°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#631615
RGB	rgb(99, 22, 21)
HSL	hsl(1, 65%, 24%)
HSV	hsv(1, 79%, 39%)
CMYK	cmyk(0%, 77.8%, 78.8%, 61.2%)
CIE-LAB	lab(21.14, 34.12, 21.47)
CIE-LCH	lch(21.14, 40.31, 32.18°)
OKLab	oklab(33.33% 0.0987 0.0483)
OKLCH	oklch(33.33% 0.11 26.1)
XYZ	xyz(5.5685, 3.2815, 1.0495)
Luminance	0.0328 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#631615 #156263

analogous

#63153B #631615 #633D15

triadic

#631615 #156316 #161563

tetradic

#631615 #3B6315 #156263 #3D1563

square

#631615 #3B6315 #156263 #3D1563

split-complementary

#631615 #15633D #153B63

monochromatic

#190605 #310B0A #631615 #952120 #C82C2A

Accessibility & contrast

On white

12.68

#631615 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#631615 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #631615

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##631615	#FFFFFF	#000000	##FFFFFF
##631615	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2814

Deuteranopia (green-blind)

#403912

Tritanopia (blue-blind)

#6E0017

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #631615;
/* rgb */ color: rgb(99, 22, 21);
/* oklch */ color: oklch(33.3% 0.110 26.1);

Tailwind

colors: {
  custom: {
    50: '#965a52',
    500: '#631615',
    950: '#000000',
  },
}

SCSS

$custom: #631615;
$custom-light: #965a52;
$custom-dark: #000000;

JSON

{
  "hex": "#631615",
  "rgb": {
    "r": 99,
    "g": 22,
    "b": 21
  },
  "hsl": {
    "h": 0.769,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33331,
    "c": 0.10992,
    "h": 26.1
  },
  "luminance": 0.03281
}

Semantic roles & 50–950 ramp

primary

#631615

secondary

#3A999A

accent

#E6E840

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #631615

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

Preview Lab → · Contrast checker → · Palette generator →