#64251B#64251B

#64251B is a dark, moderate red. Relative luminance 0.041; OKLCH L 35.6% C 0.094 H 31.2°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#64251B
RGB	rgb(100, 37, 27)
HSL	hsl(8, 57%, 25%)
HSV	hsv(8, 73%, 39%)
CMYK	cmyk(0%, 63%, 73%, 60.8%)
CIE-LAB	lab(24.04, 27.77, 21.00)
CIE-LCH	lch(24.04, 34.82, 37.10°)
OKLab	oklab(35.57% 0.0801 0.0485)
OKLCH	oklch(35.57% 0.094 31.2)
XYZ	xyz(6.1155, 4.1124, 1.5084)
Luminance	0.0411 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64251B #1B5A64

analogous

#641B36 #64251B #64491B

triadic

#64251B #1B6425 #251B64

tetradic

#64251B #36641B #1B5A64 #491B64

square

#64251B #36641B #1B5A64 #491B64

split-complementary

#64251B #1B6449 #1B3664

monochromatic

#180907 #34130E #64251B #943728 #C44935

Accessibility & contrast

On white

11.52

#64251B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#64251B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64251B

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64251B	#FFFFFF	#000000	##FFFFFF
##64251B	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311A

Deuteranopia (green-blind)

#453E19

Tritanopia (blue-blind)

#6E1723

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #64251b;
/* rgb */ color: rgb(100, 37, 27);
/* oklch */ color: oklch(35.6% 0.094 31.2);

Tailwind

colors: {
  custom: {
    50: '#956257',
    500: '#64251b',
    950: '#000000',
  },
}

SCSS

$custom: #64251b;
$custom-light: #956257;
$custom-dark: #000000;

JSON

{
  "hex": "#64251b",
  "rgb": {
    "r": 100,
    "g": 37,
    "b": 27
  },
  "hsl": {
    "h": 8.219,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35574,
    "c": 0.09363,
    "h": 31.2
  },
  "luminance": 0.04112
}

Semantic roles & 50–950 ramp

primary

#64251B

secondary

#418D99

accent

#CCE147

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #64251B

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

Preview Lab → · Contrast checker → · Palette generator →