#66111F#66111F

#66111F is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.6% C 0.117 H 17.8°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#66111F
RGB	rgb(102, 17, 31)
HSL	hsl(350, 71%, 23%)
HSV	hsv(350, 83%, 40%)
CMYK	cmyk(0%, 83.3%, 69.6%, 60%)
CIE-LAB	lab(21.30, 37.50, 15.07)
CIE-LCH	lch(21.30, 40.41, 21.89°)
OKLab	oklab(33.62% 0.1115 0.0359)
OKLCH	oklch(33.62% 0.117 17.8)
XYZ	xyz(5.9279, 3.3255, 1.6258)
Luminance	0.0333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66111F #116658

analogous

#661149 #66111F #662D11

triadic

#66111F #1F6611 #111F66

tetradic

#66111F #496611 #116658 #2D1166

square

#66111F #496611 #116658 #2D1166

split-complementary

#66111F #11662D #114966

monochromatic

#1A0408 #32080F #66111F #9A1A2F #CF223F

Accessibility & contrast

On white

12.61

#66111F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#66111F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66111F

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66111F	#FFFFFF	#000000	##FFFFFF
##66111F	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A281F

Deuteranopia (green-blind)

#403A1C

Tritanopia (blue-blind)

#710017

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #66111f;
/* rgb */ color: rgb(102, 17, 31);
/* oklch */ color: oklch(33.6% 0.117 17.8);

Tailwind

colors: {
  custom: {
    50: '#98595a',
    500: '#66111f',
    950: '#000000',
  },
}

SCSS

$custom: #66111f;
$custom-light: #98595a;
$custom-dark: #000000;

JSON

{
  "hex": "#66111f",
  "rgb": {
    "r": 102,
    "g": 17,
    "b": 31
  },
  "hsl": {
    "h": 350.118,
    "s": 71.429,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33624,
    "c": 0.1171,
    "h": 17.8
  },
  "luminance": 0.03325
}

Semantic roles & 50–950 ramp

primary

#66111F

secondary

#359E8D

accent

#EED03A

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0403

muted

#7F7978

Preview Lab

Preview with #66111F

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

Preview Lab → · Contrast checker → · Palette generator →