#641C19#641C19

#641C19 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.3% C 0.104 H 26.6°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#641C19
RGB	rgb(100, 28, 25)
HSL	hsl(2, 60%, 25%)
HSV	hsv(2, 75%, 39%)
CMYK	cmyk(0%, 72%, 75%, 60.8%)
CIE-LAB	lab(22.34, 32.12, 20.29)
CIE-LCH	lch(22.34, 37.99, 32.29°)
OKLab	oklab(34.29% 0.0932 0.0466)
OKLCH	oklch(34.29% 0.104 26.6)
XYZ	xyz(5.8469, 3.6109, 1.3086)
Luminance	0.0361 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C19 #196164

analogous

#64193C #641C19 #644219

triadic

#641C19 #19641C #1C1964

tetradic

#641C19 #3C6419 #196164 #421964

square

#641C19 #3C6419 #196164 #421964

split-complementary

#641C19 #196442 #193C64

monochromatic

#180706 #330E0D #641C19 #952A25 #C63731

Accessibility & contrast

On white

12.20

#641C19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#641C19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C19

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C19	#FFFFFF	#000000	##FFFFFF
##641C19	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302C18

Deuteranopia (green-blind)

#423B17

Tritanopia (blue-blind)

#6E071C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641c19;
/* rgb */ color: rgb(100, 28, 25);
/* oklch */ color: oklch(34.3% 0.104 26.6);

Tailwind

colors: {
  custom: {
    50: '#965d55',
    500: '#641c19',
    950: '#000000',
  },
}

SCSS

$custom: #641c19;
$custom-light: #965d55;
$custom-dark: #000000;

JSON

{
  "hex": "#641c19",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 25
  },
  "hsl": {
    "h": 2.4,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34287,
    "c": 0.10423,
    "h": 26.6
  },
  "luminance": 0.0361
}

Semantic roles & 50–950 ramp

primary

#641C19

secondary

#3F969A

accent

#DDE345

background

#F9F5F5

surface

#F2E9E8

border

#CCC5C4

text

#0E0403

muted

#7E7978

Preview Lab

Preview with #641C19

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

Preview Lab → · Contrast checker → · Palette generator →