#661D13#661D13

#661D13 is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.7% C 0.107 H 30.8°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#661D13
RGB	rgb(102, 29, 19)
HSL	hsl(7, 69%, 24%)
HSV	hsv(7, 81%, 40%)
CMYK	cmyk(0%, 71.6%, 81.4%, 60%)
CIE-LAB	lab(22.83, 32.12, 24.76)
CIE-LCH	lch(22.83, 40.55, 37.63°)
OKLab	oklab(34.7% 0.0916 0.0547)
OKLCH	oklch(34.7% 0.107 30.8)
XYZ	xyz(6.0371, 3.7514, 1.0222)
Luminance	0.0375 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661D13 #135C66

analogous

#661332 #661D13 #664613

triadic

#661D13 #13661D #1D1366

tetradic

#661D13 #326613 #135C66 #461366

square

#661D13 #326613 #135C66 #461366

split-complementary

#661D13 #136646 #133266

monochromatic

#1A0705 #320E09 #661D13 #9A2C1D #CD3A26

Accessibility & contrast

On white

12.00

#661D13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#661D13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661D13

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661D13	#FFFFFF	#000000	##FFFFFF
##661D13	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C11

Deuteranopia (green-blind)

#443C10

Tritanopia (blue-blind)

#71071B

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661d13;
/* rgb */ color: rgb(102, 29, 19);
/* oklch */ color: oklch(34.7% 0.107 30.8);

Tailwind

colors: {
  custom: {
    50: '#985e51',
    500: '#661d13',
    950: '#000000',
  },
}

SCSS

$custom: #661d13;
$custom-light: #985e51;
$custom-dark: #000000;

JSON

{
  "hex": "#661d13",
  "rgb": {
    "r": 102,
    "g": 29,
    "b": 19
  },
  "hsl": {
    "h": 7.229,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.34704,
    "c": 0.10668,
    "h": 30.8
  },
  "luminance": 0.03751
}

Semantic roles & 50–950 ramp

primary

#661D13

secondary

#37919D

accent

#D6EB3C

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #661D13

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

Preview Lab → · Contrast checker → · Palette generator →