#641E0F#641E0F

#641E0F is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.4% C 0.104 H 33.7°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#641E0F
RGB	rgb(100, 30, 15)
HSL	hsl(11, 74%, 23%)
HSV	hsv(11, 85%, 39%)
CMYK	cmyk(0%, 70%, 85%, 60.8%)
CIE-LAB	lab(22.56, 30.72, 26.67)
CIE-LCH	lch(22.56, 40.68, 40.96°)
OKLab	oklab(34.41% 0.0866 0.0578)
OKLCH	oklch(34.41% 0.104 33.7)
XYZ	xyz(5.8067, 3.6732, 0.8551)
Luminance	0.0367 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641E0F #0F5564

analogous

#640F2B #641E0F #64480F

triadic

#641E0F #0F641E #1E0F64

tetradic

#641E0F #2B640F #0F5564 #480F64

square

#641E0F #2B640F #0F5564 #480F64

split-complementary

#641E0F #0F6448 #0F2B64

monochromatic

#1B0804 #2F0E07 #641E0F #992E17 #CE3E1F

Accessibility & contrast

On white

12.11

#641E0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#641E0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641E0F

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641E0F	#FFFFFF	#000000	##FFFFFF
##641E0F	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C0D

Deuteranopia (green-blind)

#433C0C

Tritanopia (blue-blind)

#6F091B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641e0f;
/* rgb */ color: rgb(100, 30, 15);
/* oklch */ color: oklch(34.4% 0.104 33.7);

Tailwind

colors: {
  custom: {
    50: '#975e4e',
    500: '#641e0f',
    950: '#000000',
  },
}

SCSS

$custom: #641e0f;
$custom-light: #975e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#641e0f",
  "rgb": {
    "r": 100,
    "g": 30,
    "b": 15
  },
  "hsl": {
    "h": 10.588,
    "s": 73.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.34411,
    "c": 0.10415,
    "h": 33.7
  },
  "luminance": 0.03672
}

Semantic roles & 50–950 ramp

primary

#641E0F

secondary

#328A9D

accent

#D0F137

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #641E0F

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

Preview Lab → · Contrast checker → · Palette generator →