#63281F#63281F

#63281F is a dark, moderate red. Relative luminance 0.043; OKLCH L 35.9% C 0.088 H 30.7°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#63281F
RGB	rgb(99, 40, 31)
HSL	hsl(8, 52%, 25%)
HSV	hsv(8, 69%, 39%)
CMYK	cmyk(0%, 59.6%, 68.7%, 61.2%)
CIE-LAB	lab(24.54, 26.00, 18.99)
CIE-LCH	lch(24.54, 32.19, 36.15°)
OKLab	oklab(35.94% 0.0755 0.0448)
OKLCH	oklch(35.94% 0.088 30.7)
XYZ	xyz(6.1523, 4.2699, 1.7963)
Luminance	0.0427 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63281F #1F5A63

analogous

#631F38 #63281F #634A1F

triadic

#63281F #1F6328 #281F63

tetradic

#63281F #38631F #1F5A63 #4A1F63

square

#63281F #38631F #1F5A63 #4A1F63

split-complementary

#63281F #1F634A #1F3863

monochromatic

#170907 #341510 #63281F #923B2E #C04E3C

Accessibility & contrast

On white

11.33

#63281F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#63281F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63281F

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63281F	#FFFFFF	#000000	##FFFFFF
##63281F	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321E

Deuteranopia (green-blind)

#463F1E

Tritanopia (blue-blind)

#6D1D26

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #63281f;
/* rgb */ color: rgb(99, 40, 31);
/* oklch */ color: oklch(35.9% 0.088 30.7);

Tailwind

colors: {
  custom: {
    50: '#94645a',
    500: '#63281f',
    950: '#000000',
  },
}

SCSS

$custom: #63281f;
$custom-light: #94645a;
$custom-dark: #000000;

JSON

{
  "hex": "#63281f",
  "rgb": {
    "r": 99,
    "g": 40,
    "b": 31
  },
  "hsl": {
    "h": 7.941,
    "s": 52.308,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35941,
    "c": 0.08778,
    "h": 30.7
  },
  "luminance": 0.04269
}

Semantic roles & 50–950 ramp

primary

#63281F

secondary

#468D98

accent

#C9DC4C

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0504

muted

#7E7A79

Preview Lab

Preview with #63281F

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

Preview Lab → · Contrast checker → · Palette generator →