#63170E#63170E

#63170E is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.110 H 30.4°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#63170E
RGB	rgb(99, 23, 14)
HSL	hsl(6, 75%, 22%)
HSV	hsv(6, 86%, 39%)
CMYK	cmyk(0%, 76.8%, 85.9%, 61.2%)
CIE-LAB	lab(21.20, 33.42, 25.67)
CIE-LCH	lch(21.20, 42.14, 37.53°)
OKLab	oklab(33.35% 0.095 0.0557)
OKLCH	oklch(33.35% 0.11 30.4)
XYZ	xyz(5.5319, 3.2980, 0.7607)
Luminance	0.0330 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63170E #0E5A63

analogous

#630E30 #63170E #63420E

triadic

#63170E #0E6317 #170E63

tetradic

#63170E #30630E #0E5A63 #420E63

square

#63170E #30630E #0E5A63 #420E63

split-complementary

#63170E #0E6342 #0E3063

monochromatic

#1B0604 #2D0B06 #63170E #992316 #CE301D

Accessibility & contrast

On white

12.66

#63170E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#63170E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #63170E

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63170E	#FFFFFF	#000000	##FFFFFF
##63170E	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E280C

Deuteranopia (green-blind)

#41390A

Tritanopia (blue-blind)

#6E0016

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #63170e;
/* rgb */ color: rgb(99, 23, 14);
/* oklch */ color: oklch(33.4% 0.110 30.4);

Tailwind

colors: {
  custom: {
    50: '#975a4d',
    500: '#63170e',
    950: '#000000',
  },
}

SCSS

$custom: #63170e;
$custom-light: #975a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#63170e",
  "rgb": {
    "r": 99,
    "g": 23,
    "b": 14
  },
  "hsl": {
    "h": 6.353,
    "s": 75.221,
    "l": 22.157
  },
  "oklch": {
    "l": 0.3335,
    "c": 0.1101,
    "h": 30.4
  },
  "luminance": 0.03297
}

Semantic roles & 50–950 ramp

primary

#63170E

secondary

#30919C

accent

#DEF236

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #63170E

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

Preview Lab → · Contrast checker → · Palette generator →