#644147#644147

#644147 is a dark, muted red. Relative luminance 0.069; OKLCH L 41.7% C 0.049 H 8.2°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#644147
RGB	rgb(100, 65, 71)
HSL	hsl(350, 21%, 32%)
HSV	hsv(350, 35%, 39%)
CMYK	cmyk(0%, 35%, 29%, 60.8%)
CIE-LAB	lab(31.68, 16.15, 2.61)
CIE-LCH	lch(31.68, 16.36, 9.18°)
OKLab	oklab(41.73% 0.0489 0.007)
OKLCH	oklch(41.73% 0.049 8.2)
XYZ	xyz(8.2834, 6.9454, 6.8643)
Luminance	0.0694 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#644147 #41645E

analogous

#644159 #644147 #644D41

triadic

#644147 #476441 #414764

tetradic

#644147 #596441 #41645E #4D4164

square

#644147 #596441 #41645E #4D4164

split-complementary

#644147 #41644D #415964

monochromatic

#1A1112 #3F292D #644147 #895961 #A77880

Accessibility & contrast

On white

8.79

#644147 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#644147 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644147

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##644147	#FFFFFF	#000000	##FFFFFF
##644147	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474747

Deuteranopia (green-blind)

#4F4D46

Tritanopia (blue-blind)

#6A3E43

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #644147;
/* rgb */ color: rgb(100, 65, 71);
/* oklch */ color: oklch(41.7% 0.049 8.2);

Tailwind

colors: {
  custom: {
    50: '#91767a',
    500: '#644147',
    950: '#000000',
  },
}

SCSS

$custom: #644147;
$custom-light: #91767a;
$custom-dark: #000000;

JSON

{
  "hex": "#644147",
  "rgb": {
    "r": 100,
    "g": 65,
    "b": 71
  },
  "hsl": {
    "h": 349.714,
    "s": 21.212,
    "l": 32.353
  },
  "oklch": {
    "l": 0.41726,
    "c": 0.04943,
    "h": 8.2
  },
  "luminance": 0.06945
}

Semantic roles & 50–950 ramp

primary

#644147

secondary

#6E938D

accent

#BEAF6A

background

#F9F7F7

surface

#F1EDED

border

#CBC8C8

text

#0D0809

muted

#7E7B7B

Preview Lab

Preview with #644147

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

Preview Lab → · Contrast checker → · Palette generator →