#664D2B#664D2B

#664D2B is a dark, muted orange. Relative luminance 0.083; OKLCH L 43.9% C 0.060 H 73.7°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#664D2B
RGB	rgb(102, 77, 43)
HSL	hsl(35, 41%, 28%)
HSV	hsv(35, 58%, 40%)
CMYK	cmyk(0%, 24.5%, 57.8%, 60%)
CIE-LAB	lab(34.62, 6.04, 24.06)
CIE-LCH	lch(34.62, 24.80, 75.91°)
OKLab	oklab(43.86% 0.0168 0.0573)
OKLCH	oklch(43.86% 0.06 73.7)
XYZ	xyz(8.5698, 8.3075, 3.4372)
Luminance	0.0831 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664D2B #2B4466

analogous

#662F2B #664D2B #61662B

triadic

#664D2B #2B664D #4D2B66

tetradic

#664D2B #2B662F #2B4466 #662B61

square

#664D2B #2B662F #2B4466 #662B61

split-complementary

#664D2B #2B6166 #2F2B66

monochromatic

#161009 #3B2C19 #664D2B #916D3D #B78D54

Accessibility & contrast

On white

7.89

#664D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#664D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664D2B

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664D2B	#FFFFFF	#000000	##FFFFFF
##664D2B	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E28

Deuteranopia (green-blind)

#5C542C

Tritanopia (blue-blind)

#6E4745

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #664d2b;
/* rgb */ color: rgb(102, 77, 43);
/* oklch */ color: oklch(43.9% 0.060 73.7);

Tailwind

colors: {
  custom: {
    50: '#947e65',
    500: '#664d2b',
    950: '#000000',
  },
}

SCSS

$custom: #664d2b;
$custom-light: #947e65;
$custom-dark: #000000;

JSON

{
  "hex": "#664d2b",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 43
  },
  "hsl": {
    "h": 34.576,
    "s": 40.69,
    "l": 28.431
  },
  "oklch": {
    "l": 0.43858,
    "c": 0.05971,
    "h": 73.7
  },
  "luminance": 0.08307
}

Semantic roles & 50–950 ramp

primary

#664D2B

secondary

#557198

accent

#8BD157

background

#F9F7F6

surface

#F2EEEB

border

#CCC9C6

text

#0D0A05

muted

#7E7C7A

Preview Lab

Preview with #664D2B

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

Preview Lab → · Contrast checker → · Palette generator →