#641D20#641D20

#641D20 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.5% C 0.102 H 21.9°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#641D20
RGB	rgb(100, 29, 32)
HSL	hsl(357, 55%, 25%)
HSV	hsv(357, 71%, 39%)
CMYK	cmyk(0%, 71%, 68%, 60.8%)
CIE-LAB	lab(22.63, 32.09, 15.98)
CIE-LCH	lch(22.63, 35.85, 26.48°)
OKLab	oklab(34.54% 0.0948 0.0381)
OKLCH	oklch(34.54% 0.102 21.9)
XYZ	xyz(5.9562, 3.6932, 1.7654)
Luminance	0.0369 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641D20 #1D6461

analogous

#641D43 #641D20 #643D1D

triadic

#641D20 #20641D #1D2064

tetradic

#641D20 #43641D #1D6461 #3D1D64

square

#641D20 #43641D #1D6461 #3D1D64

split-complementary

#641D20 #1D643D #1D4364

monochromatic

#180708 #350F11 #641D20 #932B2F #C3393E

Accessibility & contrast

On white

12.08

#641D20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#641D20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D20

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641D20	#FFFFFF	#000000	##FFFFFF
##641D20	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C20

Deuteranopia (green-blind)

#423C1E

Tritanopia (blue-blind)

#6E0C1F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641d20;
/* rgb */ color: rgb(100, 29, 32);
/* oklch */ color: oklch(34.5% 0.102 21.9);

Tailwind

colors: {
  custom: {
    50: '#965e5b',
    500: '#641d20',
    950: '#000000',
  },
}

SCSS

$custom: #641d20;
$custom-light: #965e5b;
$custom-dark: #000000;

JSON

{
  "hex": "#641d20",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 32
  },
  "hsl": {
    "h": 357.465,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34542,
    "c": 0.10213,
    "h": 21.9
  },
  "luminance": 0.03692
}

Semantic roles & 50–950 ramp

primary

#641D20

secondary

#449995

accent

#DED849

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641D20

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

Preview Lab → · Contrast checker → · Palette generator →