#66531B#66531B

#66531B is a mid, moderate orange. Relative luminance 0.091; OKLCH L 45.0% C 0.077 H 89.9°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#66531B
RGB	rgb(102, 83, 27)
HSL	hsl(45, 58%, 25%)
HSV	hsv(45, 74%, 40%)
CMYK	cmyk(0%, 18.6%, 73.5%, 60%)
CIE-LAB	lab(36.16, 1.12, 34.41)
CIE-LCH	lch(36.16, 34.43, 88.13°)
OKLab	oklab(45.01% 0.0001 0.0772)
OKLCH	oklch(45.01% 0.077 89.9)
XYZ	xyz(8.7710, 9.0910, 2.3294)
Luminance	0.0909 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66531B #1B2E66

analogous

#662D1B #66531B #53661B

triadic

#66531B #1B6653 #531B66

tetradic

#66531B #1B662D #1B2E66 #661B53

square

#66531B #1B662D #1B2E66 #661B53

split-complementary

#66531B #1B5366 #2D1B66

monochromatic

#181406 #362C0E #66531B #967A28 #C7A235

Accessibility & contrast

On white

7.45

#66531B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#66531B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66531B

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66531B	#FFFFFF	#000000	##FFFFFF
##66531B	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5214

Deuteranopia (green-blind)

#61571E

Tritanopia (blue-blind)

#6F4C47

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #66531b;
/* rgb */ color: rgb(102, 83, 27);
/* oklch */ color: oklch(45.0% 0.077 89.9);

Tailwind

colors: {
  custom: {
    50: '#95835b',
    500: '#66531b',
    950: '#000000',
  },
}

SCSS

$custom: #66531b;
$custom-light: #95835b;
$custom-dark: #000000;

JSON

{
  "hex": "#66531b",
  "rgb": {
    "r": 102,
    "g": 83,
    "b": 27
  },
  "hsl": {
    "h": 44.8,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.4501,
    "c": 0.07722,
    "h": 89.9
  },
  "luminance": 0.0909
}

Semantic roles & 50–950 ramp

primary

#66531B

secondary

#41589B

accent

#6EE146

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0E0A04

muted

#7E7C79

Preview Lab

Preview with #66531B

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

Preview Lab → · Contrast checker → · Palette generator →