#641C16#641C16

#641C16 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.2% C 0.105 H 28.5°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#641C16
RGB	rgb(100, 28, 22)
HSL	hsl(5, 64%, 24%)
HSV	hsv(5, 78%, 39%)
CMYK	cmyk(0%, 72%, 78%, 60.8%)
CIE-LAB	lab(22.30, 31.96, 22.18)
CIE-LCH	lch(22.30, 38.90, 34.77°)
OKLab	oklab(34.24% 0.092 0.0501)
OKLCH	oklch(34.24% 0.105 28.5)
XYZ	xyz(5.8162, 3.5986, 1.1472)
Luminance	0.0360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C16 #165E64

analogous

#641637 #641C16 #644316

triadic

#641C16 #16641C #1C1664

tetradic

#641C16 #376416 #165E64 #431664

square

#641C16 #376416 #165E64 #431664

split-complementary

#641C16 #166443 #163764

monochromatic

#190706 #320E0B #641C16 #962A21 #C8382C

Accessibility & contrast

On white

12.21

#641C16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#641C16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C16

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C16	#FFFFFF	#000000	##FFFFFF
##641C16	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302B15

Deuteranopia (green-blind)

#423B14

Tritanopia (blue-blind)

#6F071B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641c16;
/* rgb */ color: rgb(100, 28, 22);
/* oklch */ color: oklch(34.2% 0.105 28.5);

Tailwind

colors: {
  custom: {
    50: '#965d53',
    500: '#641c16',
    950: '#000000',
  },
}

SCSS

$custom: #641c16;
$custom-light: #965d53;
$custom-dark: #000000;

JSON

{
  "hex": "#641c16",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 22
  },
  "hsl": {
    "h": 4.615,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3424,
    "c": 0.10477,
    "h": 28.5
  },
  "luminance": 0.03598
}

Semantic roles & 50–950 ramp

primary

#641C16

secondary

#3B939B

accent

#DAE741

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0F0402

muted

#7E7978

Preview Lab

Preview with #641C16

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

Preview Lab → · Contrast checker → · Palette generator →