#66451B#66451B

#66451B is a dark, moderate orange. Relative luminance 0.072; OKLCH L 41.9% C 0.073 H 69.8°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#66451B
RGB	rgb(102, 69, 27)
HSL	hsl(34, 58%, 25%)
HSV	hsv(34, 74%, 40%)
CMYK	cmyk(0%, 32.4%, 73.5%, 60%)
CIE-LAB	lab(32.17, 9.71, 30.21)
CIE-LCH	lch(32.17, 31.73, 72.19°)
OKLab	oklab(41.88% 0.0251 0.0683)
OKLCH	oklch(41.88% 0.073 69.8)
XYZ	xyz(7.8060, 7.1608, 2.0078)
Luminance	0.0716 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66451B #1B3C66

analogous

#661F1B #66451B #61661B

triadic

#66451B #1B6645 #451B66

tetradic

#66451B #1B661F #1B3C66 #661B61

square

#66451B #1B661F #1B3C66 #661B61

split-complementary

#66451B #1B6166 #1F1B66

monochromatic

#181006 #36240E #66451B #966628 #C78635

Accessibility & contrast

On white

8.63

#66451B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#66451B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66451B

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66451B	#FFFFFF	#000000	##FFFFFF
##66451B	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504716

Deuteranopia (green-blind)

#584F1C

Tritanopia (blue-blind)

#6F3D3C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #66451b;
/* rgb */ color: rgb(102, 69, 27);
/* oklch */ color: oklch(41.9% 0.073 69.8);

Tailwind

colors: {
  custom: {
    50: '#957859',
    500: '#66451b',
    950: '#000000',
  },
}

SCSS

$custom: #66451b;
$custom-light: #957859;
$custom-dark: #000000;

JSON

{
  "hex": "#66451b",
  "rgb": {
    "r": 102,
    "g": 69,
    "b": 27
  },
  "hsl": {
    "h": 33.6,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.41883,
    "c": 0.07279,
    "h": 69.8
  },
  "luminance": 0.0716
}

Semantic roles & 50–950 ramp

primary

#66451B

secondary

#41699B

accent

#8BE146

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0904

muted

#7E7B79

Preview Lab

Preview with #66451B

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

Preview Lab → · Contrast checker → · Palette generator →