#66511D#66511D

#66511D is a dark, moderate orange. Relative luminance 0.088; OKLCH L 44.6% C 0.074 H 86.7°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#66511D
RGB	rgb(102, 81, 29)
HSL	hsl(43, 56%, 26%)
HSV	hsv(43, 72%, 40%)
CMYK	cmyk(0%, 20.6%, 71.6%, 60%)
CIE-LAB	lab(35.59, 2.46, 32.84)
CIE-LCH	lch(35.59, 32.93, 85.71°)
OKLab	oklab(44.57% 0.0043 0.0743)
OKLCH	oklch(44.57% 0.074 86.7)
XYZ	xyz(8.6442, 8.7989, 2.4052)
Luminance	0.0880 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66511D #1D3266

analogous

#662C1D #66511D #56661D

triadic

#66511D #1D6651 #511D66

tetradic

#66511D #1D662C #1D3266 #661D56

square

#66511D #1D662C #1D3266 #661D56

split-complementary

#66511D #1D5666 #2C1D66

monochromatic

#181307 #362B0F #66511D #96772B #C59D38

Accessibility & contrast

On white

7.61

#66511D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#66511D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66511D

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66511D	#FFFFFF	#000000	##FFFFFF
##66511D	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5017

Deuteranopia (green-blind)

#60561F

Tritanopia (blue-blind)

#6F4A46

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #66511d;
/* rgb */ color: rgb(102, 81, 29);
/* oklch */ color: oklch(44.6% 0.074 86.7);

Tailwind

colors: {
  custom: {
    50: '#94815c',
    500: '#66511d',
    950: '#000000',
  },
}

SCSS

$custom: #66511d;
$custom-light: #94815c;
$custom-dark: #000000;

JSON

{
  "hex": "#66511d",
  "rgb": {
    "r": 102,
    "g": 81,
    "b": 29
  },
  "hsl": {
    "h": 42.74,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.44571,
    "c": 0.0744,
    "h": 86.7
  },
  "luminance": 0.08798
}

Semantic roles & 50–950 ramp

primary

#66511D

secondary

#445D9B

accent

#74DF49

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0A04

muted

#7E7C79

Preview Lab

Preview with #66511D

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

Preview Lab → · Contrast checker → · Palette generator →