#641C0E#641C0E

#641C0E is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.1% C 0.106 H 33.0°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#641C0E
RGB	rgb(100, 28, 14)
HSL	hsl(10, 75%, 22%)
HSV	hsv(10, 86%, 39%)
CMYK	cmyk(0%, 72%, 86%, 60.8%)
CIE-LAB	lab(22.20, 31.62, 26.81)
CIE-LCH	lch(22.20, 41.45, 40.30°)
OKLab	oklab(34.14% 0.0892 0.058)
OKLCH	oklch(34.14% 0.106 33)
XYZ	xyz(5.7507, 3.5724, 0.8021)
Luminance	0.0357 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C0E #0E5664

analogous

#640E2B #641C0E #64470E

triadic

#641C0E #0E641C #1C0E64

tetradic

#641C0E #2B640E #0E5664 #470E64

square

#641C0E #2B640E #0E5664 #470E64

split-complementary

#641C0E #0E6447 #0E2B64

monochromatic

#1B0804 #2E0D06 #641C0E #9A2B16 #CF3A1D

Accessibility & contrast

On white

12.25

#641C0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#641C0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C0E

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C0E	#FFFFFF	#000000	##FFFFFF
##641C0E	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312B0C

Deuteranopia (green-blind)

#433B0B

Tritanopia (blue-blind)

#6F0519

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641c0e;
/* rgb */ color: rgb(100, 28, 14);
/* oklch */ color: oklch(34.1% 0.106 33.0);

Tailwind

colors: {
  custom: {
    50: '#975d4e',
    500: '#641c0e',
    950: '#000000',
  },
}

SCSS

$custom: #641c0e;
$custom-light: #975d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#641c0e",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 14
  },
  "hsl": {
    "h": 9.767,
    "s": 75.439,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34141,
    "c": 0.10639,
    "h": 33
  },
  "luminance": 0.03572
}

Semantic roles & 50–950 ramp

primary

#641C0E

secondary

#318C9D

accent

#D3F236

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #641C0E

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

Preview Lab → · Contrast checker → · Palette generator →