#64171A#64171A

#64171A is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.109 H 23.3°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#64171A
RGB	rgb(100, 23, 26)
HSL	hsl(358, 63%, 24%)
HSV	hsv(358, 77%, 39%)
CMYK	cmyk(0%, 77%, 74%, 60.8%)
CIE-LAB	lab(21.57, 34.33, 18.71)
CIE-LCH	lch(21.57, 39.10, 28.60°)
OKLab	oklab(33.72% 0.1005 0.0433)
OKLCH	oklch(33.72% 0.109 23.3)
XYZ	xyz(5.7490, 3.3976, 1.3302)
Luminance	0.0340 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64171A #176461

analogous

#641741 #64171A #643B17

triadic

#64171A #1A6417 #171A64

tetradic

#64171A #416417 #176461 #3B1764

square

#64171A #416417 #176461 #3B1764

split-complementary

#64171A #17643B #174164

monochromatic

#190606 #320C0D #64171A #962227 #C82E34

Accessibility & contrast

On white

12.50

#64171A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#64171A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64171A

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64171A	#FFFFFF	#000000	##FFFFFF
##64171A	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2919

Deuteranopia (green-blind)

#403A18

Tritanopia (blue-blind)

#6F0019

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #64171a;
/* rgb */ color: rgb(100, 23, 26);
/* oklch */ color: oklch(33.7% 0.109 23.3);

Tailwind

colors: {
  custom: {
    50: '#965b56',
    500: '#64171a',
    950: '#000000',
  },
}

SCSS

$custom: #64171a;
$custom-light: #965b56;
$custom-dark: #000000;

JSON

{
  "hex": "#64171a",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 26
  },
  "hsl": {
    "h": 357.662,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33716,
    "c": 0.10941,
    "h": 23.3
  },
  "luminance": 0.03397
}

Semantic roles & 50–950 ramp

primary

#64171A

secondary

#3C9A97

accent

#E6DF42

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #64171A

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

Preview Lab → · Contrast checker → · Palette generator →