#664B0F#664B0F

#664B0F is a dark, moderate orange. Relative luminance 0.079; OKLCH L 43.1% C 0.081 H 82.3°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#664B0F
RGB	rgb(102, 75, 15)
HSL	hsl(41, 74%, 23%)
HSV	hsv(41, 85%, 40%)
CMYK	cmyk(0%, 26.5%, 85.3%, 60%)
CIE-LAB	lab(33.76, 5.40, 37.32)
CIE-LCH	lch(33.76, 37.71, 81.76°)
OKLab	oklab(43.09% 0.0109 0.0807)
OKLCH	oklch(43.09% 0.081 82.3)
XYZ	xyz(8.0823, 7.8920, 1.5495)
Luminance	0.0789 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664B0F #0F2A66

analogous

#661F0F #664B0F #55660F

triadic

#664B0F #0F664B #4B0F66

tetradic

#664B0F #0F661F #0F2A66 #660F55

square

#664B0F #0F661F #0F2A66 #660F55

split-complementary

#664B0F #0F5566 #1F0F66

monochromatic

#1B1404 #312407 #664B0F #9B7217 #D1991F

Accessibility & contrast

On white

8.15

#664B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#664B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664B0F

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664B0F	#FFFFFF	#000000	##FFFFFF
##664B0F	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564B04

Deuteranopia (green-blind)

#5D5212

Tritanopia (blue-blind)

#704340

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #664b0f;
/* rgb */ color: rgb(102, 75, 15);
/* oklch */ color: oklch(43.1% 0.081 82.3);

Tailwind

colors: {
  custom: {
    50: '#967d53',
    500: '#664b0f',
    950: '#000000',
  },
}

SCSS

$custom: #664b0f;
$custom-light: #967d53;
$custom-dark: #000000;

JSON

{
  "hex": "#664b0f",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 15
  },
  "hsl": {
    "h": 41.379,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.43093,
    "c": 0.08142,
    "h": 82.3
  },
  "luminance": 0.07891
}

Semantic roles & 50–950 ramp

primary

#664B0F

secondary

#32549F

accent

#71F137

background

#F9F7F4

surface

#F2EEE8

border

#CCC9C4

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #664B0F

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

Preview Lab → · Contrast checker → · Palette generator →