#661C11#661C11

#661C11 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.108 H 31.3°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#661C11
RGB	rgb(102, 28, 17)
HSL	hsl(8, 71%, 23%)
HSV	hsv(8, 83%, 40%)
CMYK	cmyk(0%, 72.5%, 83.3%, 60%)
CIE-LAB	lab(22.64, 32.49, 25.76)
CIE-LCH	lch(22.64, 41.46, 38.42°)
OKLab	oklab(34.55% 0.0923 0.0562)
OKLCH	oklch(34.55% 0.108 31.3)
XYZ	xyz(5.9966, 3.6967, 0.9280)
Luminance	0.0370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661C11 #115B66

analogous

#661130 #661C11 #664611

triadic

#661C11 #11661C #1C1166

tetradic

#661C11 #306611 #115B66 #461166

square

#661C11 #306611 #115B66 #461166

split-complementary

#661C11 #116646 #113066

monochromatic

#1A0704 #320E08 #661C11 #9A2A1A #CF3922

Accessibility & contrast

On white

12.07

#661C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#661C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661C11

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661C11	#FFFFFF	#000000	##FFFFFF
##661C11	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322C0F

Deuteranopia (green-blind)

#443C0E

Tritanopia (blue-blind)

#71041A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661c11;
/* rgb */ color: rgb(102, 28, 17);
/* oklch */ color: oklch(34.6% 0.108 31.3);

Tailwind

colors: {
  custom: {
    50: '#995d50',
    500: '#661c11',
    950: '#000000',
  },
}

SCSS

$custom: #661c11;
$custom-light: #995d50;
$custom-dark: #000000;

JSON

{
  "hex": "#661c11",
  "rgb": {
    "r": 102,
    "g": 28,
    "b": 17
  },
  "hsl": {
    "h": 7.765,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34554,
    "c": 0.1081,
    "h": 31.3
  },
  "luminance": 0.03696
}

Semantic roles & 50–950 ramp

primary

#661C11

secondary

#35909E

accent

#D7EE3A

background

#FAF5F4

surface

#F3E9E7

border

#CDC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #661C11

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

Preview Lab → · Contrast checker → · Palette generator →