#661111#661111

#661111 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.118 H 26.5°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#661111
RGB	rgb(102, 17, 17)
HSL	hsl(0, 71%, 23%)
HSV	hsv(0, 83%, 40%)
CMYK	cmyk(0%, 83.3%, 83.3%, 60%)
CIE-LAB	lab(21.08, 36.80, 24.10)
CIE-LCH	lch(21.08, 43.99, 33.22°)
OKLab	oklab(33.39% 0.1059 0.0527)
OKLCH	oklch(33.39% 0.118 26.5)
XYZ	xyz(5.7818, 3.2671, 0.8564)
Luminance	0.0327 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661111 #116666

analogous

#66113B #661111 #663B11

triadic

#661111 #116611 #111166

tetradic

#661111 #3B6611 #116666 #3B1166

square

#661111 #3B6611 #116666 #3B1166

split-complementary

#661111 #11663B #113B66

monochromatic

#1A0404 #320808 #661111 #9A1A1A #CF2222

Accessibility & contrast

On white

12.70

#661111 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#661111 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661111

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661111	#FFFFFF	#000000	##FFFFFF
##661111	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2710

Deuteranopia (green-blind)

#41390D

Tritanopia (blue-blind)

#710012

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #661111;
/* rgb */ color: rgb(102, 17, 17);
/* oklch */ color: oklch(33.4% 0.118 26.5);

Tailwind

colors: {
  custom: {
    50: '#99584f',
    500: '#661111',
    950: '#000000',
  },
}

SCSS

$custom: #661111;
$custom-light: #99584f;
$custom-dark: #000000;

JSON

{
  "hex": "#661111",
  "rgb": {
    "r": 102,
    "g": 17,
    "b": 17
  },
  "hsl": {
    "h": 0,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.3339,
    "c": 0.11826,
    "h": 26.5
  },
  "luminance": 0.03266
}

Semantic roles & 50–950 ramp

primary

#661111

secondary

#359E9E

accent

#EEEE3A

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #661111

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

Preview Lab → · Contrast checker → · Palette generator →