#66381A#66381A

#66381A is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.2% C 0.078 H 51.6°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#66381A
RGB	rgb(102, 56, 26)
HSL	hsl(24, 59%, 25%)
HSV	hsv(24, 75%, 40%)
CMYK	cmyk(0%, 45.1%, 74.5%, 60%)
CIE-LAB	lab(28.72, 17.64, 27.01)
CIE-LCH	lch(28.72, 32.26, 56.86°)
OKLab	oklab(39.21% 0.0486 0.0613)
OKLCH	oklch(39.21% 0.078 51.6)
XYZ	xyz(7.0807, 5.7285, 1.7099)
Luminance	0.0573 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66381A #1A4866

analogous

#661A22 #66381A #665E1A

triadic

#66381A #1A6638 #381A66

tetradic

#66381A #22661A #1A4866 #5E1A66

square

#66381A #22661A #1A4866 #5E1A66

split-complementary

#66381A #1A665E #1A2266

monochromatic

#180D06 #351D0E #66381A #975326 #C86E33

Accessibility & contrast

On white

9.79

#66381A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#66381A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66381A

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66381A	#FFFFFF	#000000	##FFFFFF
##66381A	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D17

Deuteranopia (green-blind)

#50481A

Tritanopia (blue-blind)

#702F31

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #66381a;
/* rgb */ color: rgb(102, 56, 26);
/* oklch */ color: oklch(39.2% 0.078 51.6);

Tailwind

colors: {
  custom: {
    50: '#966f58',
    500: '#66381a',
    950: '#000000',
  },
}

SCSS

$custom: #66381a;
$custom-light: #966f58;
$custom-dark: #000000;

JSON

{
  "hex": "#66381a",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 26
  },
  "hsl": {
    "h": 23.684,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.39205,
    "c": 0.0782,
    "h": 51.6
  },
  "luminance": 0.05728
}

Semantic roles & 50–950 ramp

primary

#66381A

secondary

#40789C

accent

#A4E345

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0703

muted

#7E7A78

Preview Lab

Preview with #66381A

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

Preview Lab → · Contrast checker → · Palette generator →