#641C10#641C10

#641C10 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.2% C 0.106 H 32.0°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#641C10
RGB	rgb(100, 28, 16)
HSL	hsl(9, 72%, 23%)
HSV	hsv(9, 84%, 39%)
CMYK	cmyk(0%, 72%, 84%, 60.8%)
CIE-LAB	lab(22.22, 31.69, 25.77)
CIE-LCH	lch(22.22, 40.85, 39.12°)
OKLab	oklab(34.16% 0.0899 0.0562)
OKLCH	oklch(34.16% 0.106 32)
XYZ	xyz(5.7650, 3.5781, 0.8772)
Luminance	0.0358 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C10 #105864

analogous

#64102E #641C10 #644610

triadic

#641C10 #10641C #1C1064

tetradic

#641C10 #2E6410 #105864 #461064

square

#641C10 #2E6410 #105864 #461064

split-complementary

#641C10 #106446 #102E64

monochromatic

#1A0704 #2F0D08 #641C10 #992B18 #CE3A21

Accessibility & contrast

On white

12.24

#641C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#641C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C10

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C10	#FFFFFF	#000000	##FFFFFF
##641C10	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312B0E

Deuteranopia (green-blind)

#433B0D

Tritanopia (blue-blind)

#6F051A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641c10;
/* rgb */ color: rgb(100, 28, 16);
/* oklch */ color: oklch(34.2% 0.106 32.0);

Tailwind

colors: {
  custom: {
    50: '#975d4f',
    500: '#641c10',
    950: '#000000',
  },
}

SCSS

$custom: #641c10;
$custom-light: #975d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#641c10",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 16
  },
  "hsl": {
    "h": 8.571,
    "s": 72.414,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34162,
    "c": 0.10597,
    "h": 32
  },
  "luminance": 0.03577
}

Semantic roles & 50–950 ramp

primary

#641C10

secondary

#338E9D

accent

#D5EF39

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #641C10

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

Preview Lab → · Contrast checker → · Palette generator →