#644D48#644D48

#644D48 is a dark, muted red. Relative luminance 0.085; OKLCH L 44.3% C 0.032 H 32.4°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#644D48
RGB	rgb(100, 77, 72)
HSL	hsl(11, 16%, 34%)
HSV	hsv(11, 28%, 39%)
CMYK	cmyk(0%, 23%, 28%, 60.8%)
CIE-LAB	lab(34.97, 8.85, 6.68)
CIE-LCH	lch(34.97, 11.08, 37.04°)
OKLab	oklab(44.28% 0.0273 0.0174)
OKLCH	oklch(44.28% 0.032 32.4)
XYZ	xyz(9.0792, 8.4854, 7.2892)
Luminance	0.0848 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644D48 #485F64

analogous

#644851 #644D48 #645B48

triadic

#644D48 #48644D #4D4864

tetradic

#644D48 #516448 #485F64 #5B4864

square

#644D48 #516448 #485F64 #5B4864

split-complementary

#644D48 #48645B #485164

monochromatic

#1D1615 #40322E #644D48 #886862 #A58882

Accessibility & contrast

On white

7.79

#644D48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#644D48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644D48

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644D48	#FFFFFF	#000000	##FFFFFF
##644D48	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525048

Deuteranopia (green-blind)

#575448

Tritanopia (blue-blind)

#6A4A4C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #644d48;
/* rgb */ color: rgb(100, 77, 72);
/* oklch */ color: oklch(44.3% 0.032 32.4);

Tailwind

colors: {
  custom: {
    50: '#907e7b',
    500: '#644d48',
    950: '#000000',
  },
}

SCSS

$custom: #644d48;
$custom-light: #907e7b;
$custom-dark: #000000;

JSON

{
  "hex": "#644d48",
  "rgb": {
    "r": 100,
    "g": 77,
    "b": 72
  },
  "hsl": {
    "h": 10.714,
    "s": 16.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.44278,
    "c": 0.03238,
    "h": 32.4
  },
  "luminance": 0.08485
}

Semantic roles & 50–950 ramp

primary

#644D48

secondary

#768D92

accent

#ACB96F

background

#F8F7F7

surface

#F0EEED

border

#CBC9C8

text

#0C0A09

muted

#7D7C7B

Preview Lab

Preview with #644D48

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

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