#64151A#64151A

#64151A is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.5% C 0.111 H 22.5°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#64151A
RGB	rgb(100, 21, 26)
HSL	hsl(356, 65%, 24%)
HSV	hsv(356, 79%, 39%)
CMYK	cmyk(0%, 79%, 74%, 60.8%)
CIE-LAB	lab(21.29, 35.12, 18.37)
CIE-LCH	lch(21.29, 39.63, 27.62°)
OKLab	oklab(33.51% 0.103 0.0426)
OKLCH	oklch(33.51% 0.111 22.5)
XYZ	xyz(5.7108, 3.3211, 1.3174)
Luminance	0.0332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64151A #15645F

analogous

#641541 #64151A #643715

triadic

#64151A #1A6415 #151A64

tetradic

#64151A #416415 #15645F #371564

square

#64151A #416415 #15645F #371564

split-complementary

#64151A #156437 #154164

monochromatic

#190507 #310A0D #64151A #972027 #C92A34

Accessibility & contrast

On white

12.62

#64151A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#64151A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64151A

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64151A	#FFFFFF	#000000	##FFFFFF
##64151A	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2819

Deuteranopia (green-blind)

#403917

Tritanopia (blue-blind)

#6F0018

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #64151a;
/* rgb */ color: rgb(100, 21, 26);
/* oklch */ color: oklch(33.5% 0.111 22.5);

Tailwind

colors: {
  custom: {
    50: '#975a56',
    500: '#64151a',
    950: '#000000',
  },
}

SCSS

$custom: #64151a;
$custom-light: #975a56;
$custom-dark: #000000;

JSON

{
  "hex": "#64151a",
  "rgb": {
    "r": 100,
    "g": 21,
    "b": 26
  },
  "hsl": {
    "h": 356.203,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.33505,
    "c": 0.11142,
    "h": 22.5
  },
  "luminance": 0.0332
}

Semantic roles & 50–950 ramp

primary

#64151A

secondary

#3A9B95

accent

#E8DE40

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #64151A

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

Preview Lab → · Contrast checker → · Palette generator →