#63170F#63170F

#63170F is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.110 H 29.9°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#63170F
RGB	rgb(99, 23, 15)
HSL	hsl(6, 74%, 22%)
HSV	hsv(6, 85%, 39%)
CMYK	cmyk(0%, 76.8%, 84.8%, 61.2%)
CIE-LAB	lab(21.21, 33.46, 25.17)
CIE-LCH	lch(21.21, 41.87, 36.95°)
OKLab	oklab(33.36% 0.0953 0.0548)
OKLCH	oklch(33.36% 0.11 29.9)
XYZ	xyz(5.5389, 3.3008, 0.7973)
Luminance	0.0330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63170F #0F5B63

analogous

#630F31 #63170F #63410F

triadic

#63170F #0F6317 #170F63

tetradic

#63170F #31630F #0F5B63 #410F63

square

#63170F #31630F #0F5B63 #410F63

split-complementary

#63170F #0F6341 #0F3163

monochromatic

#1B0604 #2E0B07 #63170F #982317 #CD301F

Accessibility & contrast

On white

12.65

#63170F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#63170F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63170F

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63170F	#FFFFFF	#000000	##FFFFFF
##63170F	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E280D

Deuteranopia (green-blind)

#41390C

Tritanopia (blue-blind)

#6E0016

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #63170f;
/* rgb */ color: rgb(99, 23, 15);
/* oklch */ color: oklch(33.4% 0.110 29.9);

Tailwind

colors: {
  custom: {
    50: '#975a4e',
    500: '#63170f',
    950: '#000000',
  },
}

SCSS

$custom: #63170f;
$custom-light: #975a4e;
$custom-dark: #000000;

JSON

{
  "hex": "#63170f",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 15
  },
  "hsl": {
    "h": 5.714,
    "s": 73.684,
    "l": 22.353
  },
  "oklch": {
    "l": 0.33361,
    "c": 0.10993,
    "h": 29.9
  },
  "luminance": 0.033
}

Semantic roles & 50–950 ramp

primary

#63170F

secondary

#32929C

accent

#DFF037

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #63170F

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

Preview Lab → · Contrast checker → · Palette generator →