#66190F#66190F

#66190F is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.2% C 0.111 H 30.8°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#66190F
RGB	rgb(102, 25, 15)
HSL	hsl(7, 74%, 23%)
HSV	hsv(7, 85%, 40%)
CMYK	cmyk(0%, 75.5%, 85.3%, 60%)
CIE-LAB	lab(22.14, 33.72, 26.35)
CIE-LCH	lch(22.14, 42.80, 38.01°)
OKLab	oklab(34.17% 0.0957 0.057)
OKLCH	oklch(34.17% 0.111 30.8)
XYZ	xyz(5.9140, 3.5554, 0.8267)
Luminance	0.0355 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66190F #0F5C66

analogous

#660F30 #66190F #66450F

triadic

#66190F #0F6619 #190F66

tetradic

#66190F #30660F #0F5C66 #450F66

square

#66190F #30660F #0F5C66 #450F66

split-complementary

#66190F #0F6645 #0F3066

monochromatic

#1B0704 #310C07 #66190F #9B2617 #D1331F

Accessibility & contrast

On white

12.27

#66190F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#66190F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66190F

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66190F	#FFFFFF	#000000	##FFFFFF
##66190F	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302A0D

Deuteranopia (green-blind)

#433B0B

Tritanopia (blue-blind)

#710017

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #66190f;
/* rgb */ color: rgb(102, 25, 15);
/* oklch */ color: oklch(34.2% 0.111 30.8);

Tailwind

colors: {
  custom: {
    50: '#995c4e',
    500: '#66190f',
    950: '#000000',
  },
}

SCSS

$custom: #66190f;
$custom-light: #995c4e;
$custom-dark: #000000;

JSON

{
  "hex": "#66190f",
  "rgb": {
    "r": 102,
    "g": 25,
    "b": 15
  },
  "hsl": {
    "h": 6.897,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34174,
    "c": 0.11142,
    "h": 30.8
  },
  "luminance": 0.03555
}

Semantic roles & 50–950 ramp

primary

#66190F

secondary

#32929F

accent

#DCF137

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #66190F

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

Preview Lab → · Contrast checker → · Palette generator →