#66381E#66381E

#66381E is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.3% C 0.076 H 48.7°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#66381E
RGB	rgb(102, 56, 30)
HSL	hsl(22, 55%, 26%)
HSV	hsv(22, 71%, 40%)
CMYK	cmyk(0%, 45.1%, 70.6%, 60%)
CIE-LAB	lab(28.77, 17.90, 24.75)
CIE-LCH	lch(28.77, 30.54, 54.12°)
OKLab	oklab(39.26% 0.0501 0.0571)
OKLCH	oklch(39.26% 0.076 48.7)
XYZ	xyz(7.1286, 5.7476, 1.9620)
Luminance	0.0575 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66381E #1E4C66

analogous

#661E28 #66381E #665C1E

triadic

#66381E #1E6638 #381E66

tetradic

#66381E #28661E #1E4C66 #5C1E66

square

#66381E #28661E #1E4C66 #5C1E66

split-complementary

#66381E #1E665C #1E2866

monochromatic

#180D07 #371E10 #66381E #95522C #C56C3A

Accessibility & contrast

On white

9.77

#66381E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#66381E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66381E

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66381E	#FFFFFF	#000000	##FFFFFF
##66381E	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E1B

Deuteranopia (green-blind)

#50481E

Tritanopia (blue-blind)

#702F32

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #66381e;
/* rgb */ color: rgb(102, 56, 30);
/* oklch */ color: oklch(39.3% 0.076 48.7);

Tailwind

colors: {
  custom: {
    50: '#966f5b',
    500: '#66381e',
    950: '#000000',
  },
}

SCSS

$custom: #66381e;
$custom-light: #966f5b;
$custom-dark: #000000;

JSON

{
  "hex": "#66381e",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 30
  },
  "hsl": {
    "h": 21.667,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.39259,
    "c": 0.07601,
    "h": 48.7
  },
  "luminance": 0.05747
}

Semantic roles & 50–950 ramp

primary

#66381E

secondary

#457C9B

accent

#A8DE4A

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #66381E

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

Preview Lab → · Contrast checker → · Palette generator →