#661C16#661C16

#661C16 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.107 H 28.5°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#661C16
RGB	rgb(102, 28, 22)
HSL	hsl(5, 65%, 24%)
HSV	hsv(5, 78%, 40%)
CMYK	cmyk(0%, 72.5%, 78.4%, 60%)
CIE-LAB	lab(22.70, 32.71, 22.75)
CIE-LCH	lch(22.70, 39.84, 34.82°)
OKLab	oklab(34.62% 0.0941 0.0512)
OKLCH	oklch(34.62% 0.107 28.5)
XYZ	xyz(6.0402, 3.7141, 1.1577)
Luminance	0.0371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C16 #166066

analogous

#661638 #661C16 #664416

triadic

#661C16 #16661C #1C1666

tetradic

#661C16 #386616 #166066 #441666

square

#661C16 #386616 #166066 #441666

split-complementary

#661C16 #166644 #163866

monochromatic

#190705 #340E0B #661C16 #982A21 #CB382C

Accessibility & contrast

On white

12.05

#661C16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#661C16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C16

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C16	#FFFFFF	#000000	##FFFFFF
##661C16	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312C15

Deuteranopia (green-blind)

#443C13

Tritanopia (blue-blind)

#71051B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661c16;
/* rgb */ color: rgb(102, 28, 22);
/* oklch */ color: oklch(34.6% 0.107 28.5);

Tailwind

colors: {
  custom: {
    50: '#985d53',
    500: '#661c16',
    950: '#000000',
  },
}

SCSS

$custom: #661c16;
$custom-light: #985d53;
$custom-dark: #000000;

JSON

{
  "hex": "#661c16",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 22
  },
  "hsl": {
    "h": 4.5,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.34619,
    "c": 0.10713,
    "h": 28.5
  },
  "luminance": 0.03713
}

Semantic roles & 50–950 ramp

primary

#661C16

secondary

#3B959D

accent

#DBE840

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #661C16

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

Preview Lab → · Contrast checker → · Palette generator →