#66381D#66381D

#66381D is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.2% C 0.077 H 49.5°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#66381D
RGB	rgb(102, 56, 29)
HSL	hsl(22, 56%, 26%)
HSV	hsv(22, 72%, 40%)
CMYK	cmyk(0%, 45.1%, 71.6%, 60%)
CIE-LAB	lab(28.75, 17.83, 25.32)
CIE-LCH	lch(28.75, 30.97, 54.85°)
OKLab	oklab(39.25% 0.0497 0.0582)
OKLCH	oklch(39.25% 0.077 49.5)
XYZ	xyz(7.1160, 5.7426, 1.8958)
Luminance	0.0574 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66381D #1D4B66

analogous

#661D26 #66381D #665C1D

triadic

#66381D #1D6638 #381D66

tetradic

#66381D #26661D #1D4B66 #5C1D66

square

#66381D #26661D #1D4B66 #5C1D66

split-complementary

#66381D #1D665C #1D2666

monochromatic

#180D07 #361E0F #66381D #96522B #C56C38

Accessibility & contrast

On white

9.77

#66381D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#66381D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66381D

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66381D	#FFFFFF	#000000	##FFFFFF
##66381D	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)

#453E1A

Deuteranopia (green-blind)

#50481D

Tritanopia (blue-blind)

#702F32

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #66381d;
/* rgb */ color: rgb(102, 56, 29);
/* oklch */ color: oklch(39.2% 0.077 49.5);

Tailwind

colors: {
  custom: {
    50: '#966f5a',
    500: '#66381d',
    950: '#000000',
  },
}

SCSS

$custom: #66381d;
$custom-light: #966f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#66381d",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 29
  },
  "hsl": {
    "h": 22.192,
    "s": 55.725,
    "l": 25.686
  },
  "oklch": {
    "l": 0.39245,
    "c": 0.07655,
    "h": 49.5
  },
  "luminance": 0.05742
}

Semantic roles & 50–950 ramp

primary

#66381D

secondary

#447B9B

accent

#A7DF49

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0704

muted

#7E7A79

Preview Lab

Preview with #66381D

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

Preview Lab → · Contrast checker → · Palette generator →