#661E18#661E18

#661E18 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.105 H 28.4°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#661E18
RGB	rgb(102, 30, 24)
HSL	hsl(5, 62%, 25%)
HSV	hsv(5, 76%, 40%)
CMYK	cmyk(0%, 70.6%, 76.5%, 60%)
CIE-LAB	lab(23.07, 31.89, 21.89)
CIE-LCH	lch(23.07, 38.68, 34.46°)
OKLab	oklab(34.9% 0.092 0.0498)
OKLCH	oklch(34.9% 0.105 28.4)
XYZ	xyz(6.1093, 3.8202, 1.2796)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E18 #186066

analogous

#661839 #661E18 #664518

triadic

#661E18 #18661E #1E1866

tetradic

#661E18 #396618 #186066 #451866

square

#661E18 #396618 #186066 #451866

split-complementary

#661E18 #186645 #183966

monochromatic

#190706 #340F0C #661E18 #982D24 #C93B2F

Accessibility & contrast

On white

11.91

#661E18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#661E18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E18

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E18	#FFFFFF	#000000	##FFFFFF
##661E18	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)

#322D17

Deuteranopia (green-blind)

#443D16

Tritanopia (blue-blind)

#710A1D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #661e18;
/* rgb */ color: rgb(102, 30, 24);
/* oklch */ color: oklch(34.9% 0.105 28.4);

Tailwind

colors: {
  custom: {
    50: '#985e55',
    500: '#661e18',
    950: '#000000',
  },
}

SCSS

$custom: #661e18;
$custom-light: #985e55;
$custom-dark: #000000;

JSON

{
  "hex": "#661e18",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 24
  },
  "hsl": {
    "h": 4.615,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34901,
    "c": 0.10462,
    "h": 28.4
  },
  "luminance": 0.03819
}

Semantic roles & 50–950 ramp

primary

#661E18

secondary

#3E959C

accent

#D9E543

background

#F9F5F4

surface

#F2E9E8

border

#CCC5C4

text

#0F0503

muted

#7E7978

Preview Lab

Preview with #661E18

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

Preview Lab → · Contrast checker → · Palette generator →