#63371D#63371D

#63371D is a dark, moderate orange. Relative luminance 0.055; OKLCH L 38.6% C 0.074 H 49.8°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#63371D
RGB	rgb(99, 55, 29)
HSL	hsl(22, 55%, 25%)
HSV	hsv(22, 71%, 39%)
CMYK	cmyk(0%, 44.4%, 70.7%, 61.2%)
CIE-LAB	lab(28.05, 17.04, 24.39)
CIE-LCH	lch(28.05, 29.76, 55.06°)
OKLab	oklab(38.61% 0.0476 0.0563)
OKLCH	oklch(38.61% 0.074 49.8)
XYZ	xyz(6.7341, 5.4744, 1.8642)
Luminance	0.0547 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63371D #1D4963

analogous

#631D26 #63371D #635A1D

triadic

#63371D #1D6337 #371D63

tetradic

#63371D #26631D #1D4963 #5A1D63

square

#63371D #26631D #1D4963 #5A1D63

split-complementary

#63371D #1D635A #1D2663

monochromatic

#180D07 #341D0F #63371D #92512B #C26C39

Accessibility & contrast

On white

10.02

#63371D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#63371D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63371D

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63371D	#FFFFFF	#000000	##FFFFFF
##63371D	1.00	10.02	2.09	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433C1A

Deuteranopia (green-blind)

#4E461D

Tritanopia (blue-blind)

#6D2E31

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #63371d;
/* rgb */ color: rgb(99, 55, 29);
/* oklch */ color: oklch(38.6% 0.074 49.8);

Tailwind

colors: {
  custom: {
    50: '#936e5a',
    500: '#63371d',
    950: '#000000',
  },
}

SCSS

$custom: #63371d;
$custom-light: #936e5a;
$custom-dark: #000000;

JSON

{
  "hex": "#63371d",
  "rgb": {
    "r": 99,
    "g": 55,
    "b": 29
  },
  "hsl": {
    "h": 22.286,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.38605,
    "c": 0.07376,
    "h": 49.8
  },
  "luminance": 0.05474
}

Semantic roles & 50–950 ramp

primary

#63371D

secondary

#447998

accent

#A7DE4A

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #63371D

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

Preview Lab → · Contrast checker → · Palette generator →