#661016#661016

#661016 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.4% C 0.118 H 23.4°. Best body text is #FFFFFF at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#661016
RGB	rgb(102, 16, 22)
HSL	hsl(356, 73%, 23%)
HSV	hsv(356, 84%, 40%)
CMYK	cmyk(0%, 84.3%, 78.4%, 60%)
CIE-LAB	lab(21.03, 37.33, 20.87)
CIE-LCH	lch(21.03, 42.77, 29.20°)
OKLab	oklab(33.38% 0.1088 0.047)
OKLCH	oklch(33.38% 0.118 23.4)
XYZ	xyz(5.8103, 3.2542, 1.0811)
Luminance	0.0325 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661016 #106660

analogous

#661041 #661016 #663510

triadic

#661016 #166610 #101666

tetradic

#661016 #416610 #106660 #351066

square

#661016 #416610 #106660 #351066

split-complementary

#661016 #106635 #104166

monochromatic

#1A0406 #31080B #661016 #9B1821 #D0212D

Accessibility & contrast

On white

12.72

#661016 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#661016 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661016

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661016	#FFFFFF	#000000	##FFFFFF
##661016	1.00	12.72	1.65	12.72
#FFFFFF	12.72	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2715

Deuteranopia (green-blind)

#403913

Tritanopia (blue-blind)

#710013

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #661016;
/* rgb */ color: rgb(102, 16, 22);
/* oklch */ color: oklch(33.4% 0.118 23.4);

Tailwind

colors: {
  custom: {
    50: '#995853',
    500: '#661016',
    950: '#000000',
  },
}

SCSS

$custom: #661016;
$custom-light: #995853;
$custom-dark: #000000;

JSON

{
  "hex": "#661016",
  "rgb": {
    "r": 102,
    "g": 16,
    "b": 22
  },
  "hsl": {
    "h": 355.814,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33375,
    "c": 0.11849,
    "h": 23.4
  },
  "luminance": 0.03253
}

Semantic roles & 50–950 ramp

primary

#661016

secondary

#339E97

accent

#F0E338

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #661016

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

Preview Lab → · Contrast checker → · Palette generator →