#66151E#66151E

#66151E is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.113 H 19.9°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#66151E
RGB	rgb(102, 21, 30)
HSL	hsl(353, 66%, 24%)
HSV	hsv(353, 79%, 40%)
CMYK	cmyk(0%, 79.4%, 70.6%, 60%)
CIE-LAB	lab(21.78, 36.03, 16.36)
CIE-LCH	lch(21.78, 39.57, 24.42°)
OKLab	oklab(33.97% 0.1066 0.0386)
OKLCH	oklch(33.97% 0.113 19.9)
XYZ	xyz(5.9826, 3.4557, 1.5801)
Luminance	0.0345 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66151E #15665D

analogous

#661547 #66151E #663515

triadic

#66151E #1E6615 #151E66

tetradic

#66151E #476615 #15665D #351566

square

#66151E #476615 #15665D #351566

split-complementary

#66151E #156635 #154766

monochromatic

#190507 #330B0F #66151E #991F2D #CC2A3C

Accessibility & contrast

On white

12.42

#66151E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#66151E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66151E

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66151E	#FFFFFF	#000000	##FFFFFF
##66151E	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C291E

Deuteranopia (green-blind)

#413A1C

Tritanopia (blue-blind)

#710019

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #66151e;
/* rgb */ color: rgb(102, 21, 30);
/* oklch */ color: oklch(34.0% 0.113 19.9);

Tailwind

colors: {
  custom: {
    50: '#985a59',
    500: '#66151e',
    950: '#000000',
  },
}

SCSS

$custom: #66151e;
$custom-light: #985a59;
$custom-dark: #000000;

JSON

{
  "hex": "#66151e",
  "rgb": {
    "r": 102,
    "g": 21,
    "b": 30
  },
  "hsl": {
    "h": 353.333,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.33974,
    "c": 0.11335,
    "h": 19.9
  },
  "luminance": 0.03455
}

Semantic roles & 50–950 ramp

primary

#66151E

secondary

#3A9D92

accent

#E9D63F

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #66151E

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

Preview Lab → · Contrast checker → · Palette generator →