#66301B#66301B

#66301B is a dark, moderate orange. Relative luminance 0.050; OKLCH L 37.7% C 0.084 H 41.2°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#66301B
RGB	rgb(102, 48, 27)
HSL	hsl(17, 58%, 25%)
HSV	hsv(17, 74%, 40%)
CMYK	cmyk(0%, 52.9%, 73.5%, 60%)
CIE-LAB	lab(26.79, 22.47, 24.27)
CIE-LCH	lch(26.79, 33.08, 47.20°)
OKLab	oklab(37.73% 0.0635 0.0556)
OKLCH	oklch(37.73% 0.084 41.2)
XYZ	xyz(6.7349, 5.0186, 1.6507)
Luminance	0.0502 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66301B #1B5166

analogous

#661B2B #66301B #66551B

triadic

#66301B #1B6630 #301B66

tetradic

#66301B #2B661B #1B5166 #551B66

square

#66301B #2B661B #1B5166 #551B66

split-complementary

#66301B #1B6655 #1B2B66

monochromatic

#180B06 #36190E #66301B #964728 #C75E35

Accessibility & contrast

On white

10.48

#66301B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#66301B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66301B

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66301B	#FFFFFF	#000000	##FFFFFF
##66301B	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3819

Deuteranopia (green-blind)

#4C441A

Tritanopia (blue-blind)

#70252B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #66301b;
/* rgb */ color: rgb(102, 48, 27);
/* oklch */ color: oklch(37.7% 0.084 41.2);

Tailwind

colors: {
  custom: {
    50: '#966958',
    500: '#66301b',
    950: '#000000',
  },
}

SCSS

$custom: #66301b;
$custom-light: #966958;
$custom-dark: #000000;

JSON

{
  "hex": "#66301b",
  "rgb": {
    "r": 102,
    "g": 48,
    "b": 27
  },
  "hsl": {
    "h": 16.8,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.3773,
    "c": 0.08435,
    "h": 41.2
  },
  "luminance": 0.05018
}

Semantic roles & 50–950 ramp

primary

#66301B

secondary

#41829B

accent

#B6E146

background

#F9F6F5

surface

#F2EBE9

border

#CCC6C5

text

#0E0603

muted

#7E7A78

Preview Lab

Preview with #66301B

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

Preview Lab → · Contrast checker → · Palette generator →