#661A0D#661A0D

#661A0D is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.3% C 0.111 H 32.2°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#661A0D
RGB	rgb(102, 26, 13)
HSL	hsl(9, 77%, 23%)
HSV	hsv(9, 87%, 40%)
CMYK	cmyk(0%, 74.5%, 87.3%, 60%)
CIE-LAB	lab(22.28, 33.22, 27.51)
CIE-LCH	lch(22.28, 43.13, 39.62°)
OKLab	oklab(34.27% 0.0938 0.0591)
OKLCH	oklch(34.27% 0.111 32.2)
XYZ	xyz(5.9222, 3.5935, 0.7625)
Luminance	0.0359 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A0D #0D5966

analogous

#660D2D #661A0D #66460D

triadic

#661A0D #0D661A #1A0D66

tetradic

#661A0D #2D660D #0D5966 #460D66

square

#661A0D #2D660D #0D5966 #460D66

split-complementary

#661A0D #0D6646 #0D2D66

monochromatic

#1B0703 #300C06 #661A0D #9C2814 #D3361B

Accessibility & contrast

On white

12.22

#661A0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#661A0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A0D

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A0D	#FFFFFF	#000000	##FFFFFF
##661A0D	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312B0B

Deuteranopia (green-blind)

#433B09

Tritanopia (blue-blind)

#710018

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #661a0d;
/* rgb */ color: rgb(102, 26, 13);
/* oklch */ color: oklch(34.3% 0.111 32.2);

Tailwind

colors: {
  custom: {
    50: '#995c4d',
    500: '#661a0d',
    950: '#000000',
  },
}

SCSS

$custom: #661a0d;
$custom-light: #995c4d;
$custom-dark: #000000;

JSON

{
  "hex": "#661a0d",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 13
  },
  "hsl": {
    "h": 8.764,
    "s": 77.391,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3427,
    "c": 0.11083,
    "h": 32.2
  },
  "luminance": 0.03593
}

Semantic roles & 50–950 ramp

primary

#661A0D

secondary

#2F8F9F

accent

#D8F434

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #661A0D

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

Preview Lab → · Contrast checker → · Palette generator →