#661E17#661E17

#661E17 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.105 H 29.0°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#661E17
RGB	rgb(102, 30, 23)
HSL	hsl(5, 63%, 25%)
HSV	hsv(5, 77%, 40%)
CMYK	cmyk(0%, 70.6%, 77.5%, 60%)
CIE-LAB	lab(23.05, 31.84, 22.51)
CIE-LCH	lch(23.05, 38.99, 35.26°)
OKLab	oklab(34.89% 0.0916 0.0509)
OKLCH	oklch(34.89% 0.105 29)
XYZ	xyz(6.0991, 3.8161, 1.2259)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E17 #175F66

analogous

#661738 #661E17 #664517

triadic

#661E17 #17661E #1E1766

tetradic

#661E17 #386617 #175F66 #451766

square

#661E17 #386617 #175F66 #451766

split-complementary

#661E17 #176645 #173866

monochromatic

#190706 #340F0C #661E17 #982D22 #CA3B2E

Accessibility & contrast

On white

11.91

#661E17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#661E17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E17

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E17	#FFFFFF	#000000	##FFFFFF
##661E17	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322D16

Deuteranopia (green-blind)

#443D15

Tritanopia (blue-blind)

#710A1D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661e17;
/* rgb */ color: rgb(102, 30, 23);
/* oklch */ color: oklch(34.9% 0.105 29.0);

Tailwind

colors: {
  custom: {
    50: '#985e54',
    500: '#661e17',
    950: '#000000',
  },
}

SCSS

$custom: #661e17;
$custom-light: #985e54;
$custom-dark: #000000;

JSON

{
  "hex": "#661e17",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 23
  },
  "hsl": {
    "h": 5.316,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34886,
    "c": 0.10481,
    "h": 29
  },
  "luminance": 0.03815
}

Semantic roles & 50–950 ramp

primary

#661E17

secondary

#3C949C

accent

#D8E642

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0502

muted

#7F7978

Preview Lab

Preview with #661E17

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

Preview Lab → · Contrast checker → · Palette generator →