#64170F#64170F

#64170F is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.6% C 0.111 H 29.9°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#64170F
RGB	rgb(100, 23, 15)
HSL	hsl(6, 74%, 23%)
HSV	hsv(6, 85%, 39%)
CMYK	cmyk(0%, 77%, 85%, 60.8%)
CIE-LAB	lab(21.42, 33.82, 25.46)
CIE-LCH	lch(21.42, 42.33, 36.97°)
OKLab	oklab(33.56% 0.0963 0.0554)
OKLCH	oklch(33.56% 0.111 29.9)
XYZ	xyz(5.6488, 3.3575, 0.8025)
Luminance	0.0336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64170F #0F5C64

analogous

#640F32 #64170F #64410F

triadic

#64170F #0F6417 #170F64

tetradic

#64170F #32640F #0F5C64 #410F64

square

#64170F #32640F #0F5C64 #410F64

split-complementary

#64170F #0F6441 #0F3264

monochromatic

#1B0604 #2F0B07 #64170F #992317 #CE2F1F

Accessibility & contrast

On white

12.56

#64170F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#64170F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64170F

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64170F	#FFFFFF	#000000	##FFFFFF
##64170F	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E290D

Deuteranopia (green-blind)

#413A0B

Tritanopia (blue-blind)

#6F0016

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #64170f;
/* rgb */ color: rgb(100, 23, 15);
/* oklch */ color: oklch(33.6% 0.111 29.9);

Tailwind

colors: {
  custom: {
    50: '#975a4e',
    500: '#64170f',
    950: '#000000',
  },
}

SCSS

$custom: #64170f;
$custom-light: #975a4e;
$custom-dark: #000000;

JSON

{
  "hex": "#64170f",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 15
  },
  "hsl": {
    "h": 5.647,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.33558,
    "c": 0.11106,
    "h": 29.9
  },
  "luminance": 0.03357
}

Semantic roles & 50–950 ramp

primary

#64170F

secondary

#32939D

accent

#DFF137

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #64170F

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

Preview Lab → · Contrast checker → · Palette generator →