#64141B#64141B

#64141B is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.112 H 21.4°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#64141B
RGB	rgb(100, 20, 27)
HSL	hsl(355, 67%, 24%)
HSV	hsv(355, 80%, 39%)
CMYK	cmyk(0%, 80%, 73%, 60.8%)
CIE-LAB	lab(21.17, 35.55, 17.55)
CIE-LCH	lch(21.17, 39.65, 26.28°)
OKLab	oklab(33.42% 0.1046 0.0409)
OKLCH	oklch(33.42% 0.112 21.4)
XYZ	xyz(5.7041, 3.2896, 1.3713)
Luminance	0.0329 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64141B #14645D

analogous

#641443 #64141B #643514

triadic

#64141B #1B6414 #141B64

tetradic

#64141B #436414 #14645D #351464

square

#64141B #436414 #14645D #351464

split-complementary

#64141B #146435 #144364

monochromatic

#1A0507 #310A0D #64141B #971E29 #CA2837

Accessibility & contrast

On white

12.67

#64141B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#64141B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64141B

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64141B	#FFFFFF	#000000	##FFFFFF
##64141B	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B281B

Deuteranopia (green-blind)

#3F3918

Tritanopia (blue-blind)

#6F0017

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #64141b;
/* rgb */ color: rgb(100, 20, 27);
/* oklch */ color: oklch(33.4% 0.112 21.4);

Tailwind

colors: {
  custom: {
    50: '#975957',
    500: '#64141b',
    950: '#000000',
  },
}

SCSS

$custom: #64141b;
$custom-light: #975957;
$custom-dark: #000000;

JSON

{
  "hex": "#64141b",
  "rgb": {
    "r": 100,
    "g": 20,
    "b": 27
  },
  "hsl": {
    "h": 354.75,
    "s": 66.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33422,
    "c": 0.11231,
    "h": 21.4
  },
  "luminance": 0.03289
}

Semantic roles & 50–950 ramp

primary

#64141B

secondary

#389B93

accent

#EADB3E

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #64141B

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

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