#664C0F#664C0F

#664C0F is a dark, moderate orange. Relative luminance 0.080; OKLCH L 43.3% C 0.082 H 83.6°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#664C0F
RGB	rgb(102, 76, 15)
HSL	hsl(42, 74%, 23%)
HSV	hsv(42, 85%, 40%)
CMYK	cmyk(0%, 25.5%, 85.3%, 60%)
CIE-LAB	lab(34.04, 4.79, 37.58)
CIE-LCH	lch(34.04, 37.88, 82.74°)
OKLab	oklab(43.32% 0.0091 0.0812)
OKLCH	oklch(43.32% 0.082 83.6)
XYZ	xyz(8.1507, 8.0288, 1.5723)
Luminance	0.0803 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664C0F #0F2966

analogous

#66200F #664C0F #54660F

triadic

#664C0F #0F664C #4C0F66

tetradic

#664C0F #0F6620 #0F2966 #660F54

square

#664C0F #0F6620 #0F2966 #660F54

split-complementary

#664C0F #0F5466 #200F66

monochromatic

#1B1404 #312407 #664C0F #9B7417 #D19C1F

Accessibility & contrast

On white

8.06

#664C0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#664C0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664C0F

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664C0F	#FFFFFF	#000000	##FFFFFF
##664C0F	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574C03

Deuteranopia (green-blind)

#5D5312

Tritanopia (blue-blind)

#6F4440

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #664c0f;
/* rgb */ color: rgb(102, 76, 15);
/* oklch */ color: oklch(43.3% 0.082 83.6);

Tailwind

colors: {
  custom: {
    50: '#957d53',
    500: '#664c0f',
    950: '#000000',
  },
}

SCSS

$custom: #664c0f;
$custom-light: #957d53;
$custom-dark: #000000;

JSON

{
  "hex": "#664c0f",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 15
  },
  "hsl": {
    "h": 42.069,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.43317,
    "c": 0.08175,
    "h": 83.6
  },
  "luminance": 0.08028
}

Semantic roles & 50–950 ramp

primary

#664C0F

secondary

#32539F

accent

#6EF137

background

#F9F7F4

surface

#F2EEE8

border

#CCC9C4

text

#0E0903

muted

#7E7B78

Preview Lab

Preview with #664C0F

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

Preview Lab → · Contrast checker → · Palette generator →