#66521B#66521B

#66521B is a dark, moderate orange. Relative luminance 0.089; OKLCH L 44.8% C 0.077 H 88.6°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#66521B
RGB	rgb(102, 82, 27)
HSL	hsl(44, 58%, 25%)
HSV	hsv(44, 74%, 40%)
CMYK	cmyk(0%, 19.6%, 73.5%, 60%)
CIE-LAB	lab(35.87, 1.73, 34.11)
CIE-LCH	lch(35.87, 34.15, 87.09°)
OKLab	oklab(44.78% 0.0019 0.0766)
OKLCH	oklch(44.78% 0.077 88.6)
XYZ	xyz(8.6951, 8.9390, 2.3041)
Luminance	0.0894 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66521B #1B2F66

analogous

#662C1B #66521B #54661B

triadic

#66521B #1B6652 #521B66

tetradic

#66521B #1B662C #1B2F66 #661B54

square

#66521B #1B662C #1B2F66 #661B54

split-complementary

#66521B #1B5466 #2C1B66

monochromatic

#181306 #362B0E #66521B #967928 #C7A035

Accessibility & contrast

On white

7.53

#66521B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#66521B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66521B

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66521B	#FFFFFF	#000000	##FFFFFF
##66521B	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5114

Deuteranopia (green-blind)

#61571E

Tritanopia (blue-blind)

#6F4B47

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #66521b;
/* rgb */ color: rgb(102, 82, 27);
/* oklch */ color: oklch(44.8% 0.077 88.6);

Tailwind

colors: {
  custom: {
    50: '#95825b',
    500: '#66521b',
    950: '#000000',
  },
}

SCSS

$custom: #66521b;
$custom-light: #95825b;
$custom-dark: #000000;

JSON

{
  "hex": "#66521b",
  "rgb": {
    "r": 102,
    "g": 82,
    "b": 27
  },
  "hsl": {
    "h": 44,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.4478,
    "c": 0.0766,
    "h": 88.6
  },
  "luminance": 0.08938
}

Semantic roles & 50–950 ramp

primary

#66521B

secondary

#41599B

accent

#70E146

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0A04

muted

#7E7C79

Preview Lab

Preview with #66521B

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

Preview Lab → · Contrast checker → · Palette generator →