#661C13#661C13

#661C13 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.108 H 30.3°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#661C13
RGB	rgb(102, 28, 19)
HSL	hsl(7, 69%, 24%)
HSV	hsv(7, 81%, 40%)
CMYK	cmyk(0%, 72.5%, 81.4%, 60%)
CIE-LAB	lab(22.66, 32.57, 24.58)
CIE-LCH	lch(22.66, 40.81, 37.05°)
OKLab	oklab(34.58% 0.093 0.0543)
OKLCH	oklch(34.58% 0.108 30.3)
XYZ	xyz(6.0130, 3.7032, 1.0141)
Luminance	0.0370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C13 #135D66

analogous

#661333 #661C13 #664513

triadic

#661C13 #13661C #1C1366

tetradic

#661C13 #336613 #135D66 #451366

square

#661C13 #336613 #135D66 #451366

split-complementary

#661C13 #136645 #133366

monochromatic

#1A0705 #320E09 #661C13 #9A2A1D #CD3826

Accessibility & contrast

On white

12.07

#661C13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#661C13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C13

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C13	#FFFFFF	#000000	##FFFFFF
##661C13	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C11

Deuteranopia (green-blind)

#443C10

Tritanopia (blue-blind)

#71041A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661c13;
/* rgb */ color: rgb(102, 28, 19);
/* oklch */ color: oklch(34.6% 0.108 30.3);

Tailwind

colors: {
  custom: {
    50: '#985d51',
    500: '#661c13',
    950: '#000000',
  },
}

SCSS

$custom: #661c13;
$custom-light: #985d51;
$custom-dark: #000000;

JSON

{
  "hex": "#661c13",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 19
  },
  "hsl": {
    "h": 6.506,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34578,
    "c": 0.10771,
    "h": 30.3
  },
  "luminance": 0.03702
}

Semantic roles & 50–950 ramp

primary

#661C13

secondary

#37929D

accent

#D8EB3C

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #661C13

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

Preview Lab → · Contrast checker → · Palette generator →