#64251D#64251D

#64251D is a dark, moderate red. Relative luminance 0.041; OKLCH L 35.6% C 0.093 H 29.7°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#64251D
RGB	rgb(100, 37, 29)
HSL	hsl(7, 55%, 25%)
HSV	hsv(7, 71%, 39%)
CMYK	cmyk(0%, 63%, 71%, 60.8%)
CIE-LAB	lab(24.07, 27.90, 19.75)
CIE-LCH	lch(24.07, 34.18, 35.30°)
OKLab	oklab(35.61% 0.0809 0.0461)
OKLCH	oklch(35.61% 0.093 29.7)
XYZ	xyz(6.1395, 4.1220, 1.6345)
Luminance	0.0412 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64251D #1D5C64

analogous

#641D38 #64251D #64491D

triadic

#64251D #1D6425 #251D64

tetradic

#64251D #38641D #1D5C64 #491D64

square

#64251D #38641D #1D5C64 #491D64

split-complementary

#64251D #1D6449 #1D3864

monochromatic

#180907 #35130F #64251D #93372B #C34839

Accessibility & contrast

On white

11.51

#64251D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#64251D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64251D

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64251D	#FFFFFF	#000000	##FFFFFF
##64251D	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36311C

Deuteranopia (green-blind)

#453E1B

Tritanopia (blue-blind)

#6E1823

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #64251d;
/* rgb */ color: rgb(100, 37, 29);
/* oklch */ color: oklch(35.6% 0.093 29.7);

Tailwind

colors: {
  custom: {
    50: '#956259',
    500: '#64251d',
    950: '#000000',
  },
}

SCSS

$custom: #64251d;
$custom-light: #956259;
$custom-dark: #000000;

JSON

{
  "hex": "#64251d",
  "rgb": {
    "r": 100,
    "g": 37,
    "b": 29
  },
  "hsl": {
    "h": 6.761,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35607,
    "c": 0.09312,
    "h": 29.7
  },
  "luminance": 0.04121
}

Semantic roles & 50–950 ramp

primary

#64251D

secondary

#448F99

accent

#CEDE49

background

#F9F5F5

surface

#F2EAE9

border

#CCC6C5

text

#0E0503

muted

#7E7978

Preview Lab

Preview with #64251D

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

Preview Lab → · Contrast checker → · Palette generator →