#641F17#641F17

#641F17 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.6% C 0.101 H 29.7°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#641F17
RGB	rgb(100, 31, 23)
HSL	hsl(6, 63%, 24%)
HSV	hsv(6, 77%, 39%)
CMYK	cmyk(0%, 69%, 77%, 60.8%)
CIE-LAB	lab(22.83, 30.59, 22.15)
CIE-LCH	lch(22.83, 37.77, 35.91°)
OKLab	oklab(34.65% 0.088 0.0502)
OKLCH	oklch(34.65% 0.101 29.7)
XYZ	xyz(5.9008, 3.7520, 1.2239)
Luminance	0.0375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641F17 #175C64

analogous

#641736 #641F17 #644617

triadic

#641F17 #17641F #1F1764

tetradic

#641F17 #366417 #175C64 #461764

square

#641F17 #366417 #175C64 #461764

split-complementary

#641F17 #176446 #173664

monochromatic

#190806 #32100C #641F17 #962E22 #C83E2E

Accessibility & contrast

On white

12.00

#641F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#641F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641F17

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641F17	#FFFFFF	#000000	##FFFFFF
##641F17	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322D16

Deuteranopia (green-blind)

#433C15

Tritanopia (blue-blind)

#6E0D1E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #641f17;
/* rgb */ color: rgb(100, 31, 23);
/* oklch */ color: oklch(34.6% 0.101 29.7);

Tailwind

colors: {
  custom: {
    50: '#965f54',
    500: '#641f17',
    950: '#000000',
  },
}

SCSS

$custom: #641f17;
$custom-light: #965f54;
$custom-dark: #000000;

JSON

{
  "hex": "#641f17",
  "rgb": {
    "r": 100,
    "g": 31,
    "b": 23
  },
  "hsl": {
    "h": 6.234,
    "s": 62.602,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34647,
    "c": 0.10132,
    "h": 29.7
  },
  "luminance": 0.03751
}

Semantic roles & 50–950 ramp

primary

#641F17

secondary

#3C919A

accent

#D5E642

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0502

muted

#7E7978

Preview Lab

Preview with #641F17

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

Preview Lab → · Contrast checker → · Palette generator →