#63271B#63271B

#63271B is a dark, moderate red. Relative luminance 0.042; OKLCH L 35.7% C 0.090 H 33.0°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#63271B
RGB	rgb(99, 39, 27)
HSL	hsl(10, 57%, 25%)
HSV	hsv(10, 73%, 39%)
CMYK	cmyk(0%, 60.6%, 72.7%, 61.2%)
CIE-LAB	lab(24.27, 26.28, 21.22)
CIE-LCH	lch(24.27, 33.78, 38.93°)
OKLab	oklab(35.71% 0.0755 0.0491)
OKLCH	oklch(35.71% 0.09 33)
XYZ	xyz(6.0695, 4.1836, 1.5246)
Luminance	0.0418 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63271B #1B5763

analogous

#631B33 #63271B #634B1B

triadic

#63271B #1B6327 #271B63

tetradic

#63271B #33631B #1B5763 #4B1B63

square

#63271B #33631B #1B5763 #4B1B63

split-complementary

#63271B #1B634B #1B3363

monochromatic

#180907 #33140E #63271B #933A28 #C34D35

Accessibility & contrast

On white

11.43

#63271B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#63271B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63271B

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63271B	#FFFFFF	#000000	##FFFFFF
##63271B	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37321A

Deuteranopia (green-blind)

#463F19

Tritanopia (blue-blind)

#6D1B24

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #63271b;
/* rgb */ color: rgb(99, 39, 27);
/* oklch */ color: oklch(35.7% 0.090 33.0);

Tailwind

colors: {
  custom: {
    50: '#946357',
    500: '#63271b',
    950: '#000000',
  },
}

SCSS

$custom: #63271b;
$custom-light: #946357;
$custom-dark: #000000;

JSON

{
  "hex": "#63271b",
  "rgb": {
    "r": 99,
    "g": 39,
    "b": 27
  },
  "hsl": {
    "h": 10,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35712,
    "c": 0.09008,
    "h": 33
  },
  "luminance": 0.04183
}

Semantic roles & 50–950 ramp

primary

#63271B

secondary

#418A98

accent

#C7E047

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0503

muted

#7E7A78

Preview Lab

Preview with #63271B

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

Preview Lab → · Contrast checker → · Palette generator →