#63281D#63281D

#63281D is a dark, moderate red. Relative luminance 0.043; OKLCH L 35.9% C 0.088 H 32.3°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#63281D
RGB	rgb(99, 40, 29)
HSL	hsl(9, 55%, 25%)
HSV	hsv(9, 71%, 39%)
CMYK	cmyk(0%, 59.6%, 70.7%, 61.2%)
CIE-LAB	lab(24.51, 25.86, 20.24)
CIE-LCH	lch(24.51, 32.84, 38.05°)
OKLab	oklab(35.91% 0.0747 0.0472)
OKLCH	oklch(35.91% 0.088 32.3)
XYZ	xyz(6.1267, 4.2597, 1.6617)
Luminance	0.0426 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63281D #1D5863

analogous

#631D35 #63281D #634B1D

triadic

#63281D #1D6328 #281D63

tetradic

#63281D #35631D #1D5863 #4B1D63

square

#63281D #35631D #1D5863 #4B1D63

split-complementary

#63281D #1D634B #1D3563

monochromatic

#180A07 #34150F #63281D #923B2B #C24E39

Accessibility & contrast

On white

11.34

#63281D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#63281D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63281D

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63281D	#FFFFFF	#000000	##FFFFFF
##63281D	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321C

Deuteranopia (green-blind)

#463F1C

Tritanopia (blue-blind)

#6D1C26

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #63281d;
/* rgb */ color: rgb(99, 40, 29);
/* oklch */ color: oklch(35.9% 0.088 32.3);

Tailwind

colors: {
  custom: {
    50: '#946459',
    500: '#63281d',
    950: '#000000',
  },
}

SCSS

$custom: #63281d;
$custom-light: #946459;
$custom-dark: #000000;

JSON

{
  "hex": "#63281d",
  "rgb": {
    "r": 99,
    "g": 40,
    "b": 29
  },
  "hsl": {
    "h": 9.429,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.35906,
    "c": 0.08835,
    "h": 32.3
  },
  "luminance": 0.04259
}

Semantic roles & 50–950 ramp

primary

#63281D

secondary

#448B98

accent

#C7DE4A

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #63281D

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

Preview Lab → · Contrast checker → · Palette generator →