#644036#644036

#644036 is a dark, muted red. Relative luminance 0.066; OKLCH L 41.0% C 0.053 H 36.2°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#644036
RGB	rgb(100, 64, 54)
HSL	hsl(13, 30%, 30%)
HSV	hsv(13, 46%, 39%)
CMYK	cmyk(0%, 36%, 46%, 60.8%)
CIE-LAB	lab(30.98, 14.36, 12.56)
CIE-LCH	lch(30.98, 19.08, 41.17°)
OKLab	oklab(41.04% 0.0431 0.0316)
OKLCH	oklch(41.04% 0.053 36.2)
XYZ	xyz(7.7551, 6.6431, 4.3631)
Luminance	0.0664 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644036 #365A64

analogous

#643643 #644036 #645736

triadic

#644036 #366440 #403664

tetradic

#644036 #436436 #365A64 #573664

square

#644036 #436436 #365A64 #573664

split-complementary

#644036 #366457 #364364

monochromatic

#150D0B #3C2721 #644036 #8C594B #AD7667

Accessibility & contrast

On white

9.02

#644036 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#644036 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644036

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644036	#FFFFFF	#000000	##FFFFFF
##644036	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494435

Deuteranopia (green-blind)

#514C36

Tritanopia (blue-blind)

#6C3B3D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #644036;
/* rgb */ color: rgb(100, 64, 54);
/* oklch */ color: oklch(41.0% 0.053 36.2);

Tailwind

colors: {
  custom: {
    50: '#92756d',
    500: '#644036',
    950: '#000000',
  },
}

SCSS

$custom: #644036;
$custom-light: #92756d;
$custom-dark: #000000;

JSON

{
  "hex": "#644036",
  "rgb": {
    "r": 100,
    "g": 64,
    "b": 54
  },
  "hsl": {
    "h": 13.043,
    "s": 29.87,
    "l": 30.196
  },
  "oklch": {
    "l": 0.41042,
    "c": 0.05345,
    "h": 36.2
  },
  "luminance": 0.06642
}

Semantic roles & 50–950 ramp

primary

#644036

secondary

#618995

accent

#B0C662

background

#F9F7F6

surface

#F1EDEB

border

#CBC8C6

text

#0D0807

muted

#7E7B7A

Preview Lab

Preview with #644036

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

Preview Lab → · Contrast checker → · Palette generator →