#66381C#66381C

#66381C is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.2% C 0.077 H 50.2°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#66381C
RGB	rgb(102, 56, 28)
HSL	hsl(23, 57%, 25%)
HSV	hsv(23, 73%, 40%)
CMYK	cmyk(0%, 45.1%, 72.5%, 60%)
CIE-LAB	lab(28.74, 17.77, 25.89)
CIE-LCH	lch(28.74, 31.40, 55.54°)
OKLab	oklab(39.23% 0.0494 0.0593)
OKLCH	oklch(39.23% 0.077 50.2)
XYZ	xyz(7.1038, 5.7377, 1.8318)
Luminance	0.0574 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66381C #1C4A66

analogous

#661C25 #66381C #665D1C

triadic

#66381C #1C6638 #381C66

tetradic

#66381C #25661C #1C4A66 #5D1C66

square

#66381C #25661C #1C4A66 #5D1C66

split-complementary

#66381C #1C665D #1C2566

monochromatic

#180D07 #361E0F #66381C #965229 #C66D36

Accessibility & contrast

On white

9.78

#66381C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#66381C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66381C

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66381C	#FFFFFF	#000000	##FFFFFF
##66381C	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E19

Deuteranopia (green-blind)

#50481C

Tritanopia (blue-blind)

#702F32

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #66381c;
/* rgb */ color: rgb(102, 56, 28);
/* oklch */ color: oklch(39.2% 0.077 50.2);

Tailwind

colors: {
  custom: {
    50: '#966f59',
    500: '#66381c',
    950: '#000000',
  },
}

SCSS

$custom: #66381c;
$custom-light: #966f59;
$custom-dark: #000000;

JSON

{
  "hex": "#66381c",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 28
  },
  "hsl": {
    "h": 22.703,
    "s": 56.923,
    "l": 25.49
  },
  "oklch": {
    "l": 0.39231,
    "c": 0.07711,
    "h": 50.2
  },
  "luminance": 0.05737
}

Semantic roles & 50–950 ramp

primary

#66381C

secondary

#437A9B

accent

#A6E048

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #66381C

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

Preview Lab → · Contrast checker → · Palette generator →