#641020#641020

#641020 is a dark, moderate red. Relative luminance 0.032; OKLCH L 33.2% C 0.116 H 16.4°. Best body text is #FFFFFF at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#641020
RGB	rgb(100, 16, 32)
HSL	hsl(349, 72%, 23%)
HSV	hsv(349, 84%, 39%)
CMYK	cmyk(0%, 84%, 68%, 60.8%)
CIE-LAB	lab(20.77, 37.24, 13.60)
CIE-LCH	lch(20.77, 39.65, 20.06°)
OKLab	oklab(33.16% 0.1112 0.0327)
OKLCH	oklch(33.16% 0.116 16.4)
XYZ	xyz(5.7021, 3.1851, 1.6808)
Luminance	0.0318 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641020 #106454

analogous

#64104A #641020 #642A10

triadic

#641020 #206410 #102064

tetradic

#641020 #4A6410 #106454 #2A1064

square

#641020 #4A6410 #106454 #2A1064

split-complementary

#641020 #10642A #104A64

monochromatic

#1A0408 #2F080F #641020 #991831 #CE2142

Accessibility & contrast

On white

12.83

#641020 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#641020 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641020

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641020	#FFFFFF	#000000	##FFFFFF
##641020	1.00	12.83	1.64	12.83
#FFFFFF	12.83	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292720

Deuteranopia (green-blind)

#3E381E

Tritanopia (blue-blind)

#6E0017

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #641020;
/* rgb */ color: rgb(100, 16, 32);
/* oklch */ color: oklch(33.2% 0.116 16.4);

Tailwind

colors: {
  custom: {
    50: '#96585b',
    500: '#641020',
    950: '#000000',
  },
}

SCSS

$custom: #641020;
$custom-light: #96585b;
$custom-dark: #000000;

JSON

{
  "hex": "#641020",
  "rgb": {
    "r": 100,
    "g": 16,
    "b": 32
  },
  "hsl": {
    "h": 348.571,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.33158,
    "c": 0.11591,
    "h": 16.4
  },
  "luminance": 0.03184
}

Semantic roles & 50–950 ramp

primary

#641020

secondary

#339D89

accent

#EFCC39

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641020

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

Preview Lab → · Contrast checker → · Palette generator →