#66401F#66401F

#66401F is a dark, moderate orange. Relative luminance 0.066; OKLCH L 40.9% C 0.071 H 59.7°. Best body text is #FFFFFF at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#66401F
RGB	rgb(102, 64, 31)
HSL	hsl(28, 53%, 26%)
HSV	hsv(28, 70%, 40%)
CMYK	cmyk(0%, 37.3%, 69.6%, 60%)
CIE-LAB	lab(30.86, 13.06, 26.56)
CIE-LCH	lch(30.86, 29.60, 63.81°)
OKLab	oklab(40.88% 0.0358 0.0612)
OKLCH	oklch(40.88% 0.071 59.7)
XYZ	xyz(7.5607, 6.5912, 2.1701)
Luminance	0.0659 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66401F #1F4566

analogous

#661F22 #66401F #66631F

triadic

#66401F #1F6640 #401F66

tetradic

#66401F #22661F #1F4566 #631F66

square

#66401F #22661F #1F4566 #631F66

split-complementary

#66401F #1F6663 #1F2266

monochromatic

#170F07 #372311 #66401F #955D2D #C47B3C

Accessibility & contrast

On white

9.06

#66401F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#66401F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66401F

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66401F	#FFFFFF	#000000	##FFFFFF
##66401F	1.00	9.06	2.32	9.06
#FFFFFF	9.06	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C431C

Deuteranopia (green-blind)

#554C1F

Tritanopia (blue-blind)

#6F3839

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #66401f;
/* rgb */ color: rgb(102, 64, 31);
/* oklch */ color: oklch(40.9% 0.071 59.7);

Tailwind

colors: {
  custom: {
    50: '#95755c',
    500: '#66401f',
    950: '#000000',
  },
}

SCSS

$custom: #66401f;
$custom-light: #95755c;
$custom-dark: #000000;

JSON

{
  "hex": "#66401f",
  "rgb": {
    "r": 102,
    "g": 64,
    "b": 31
  },
  "hsl": {
    "h": 27.887,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.40878,
    "c": 0.0709,
    "h": 59.7
  },
  "luminance": 0.06591
}

Semantic roles & 50–950 ramp

primary

#66401F

secondary

#46739A

accent

#99DD4B

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0804

muted

#7E7B79

Preview Lab

Preview with #66401F

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

Preview Lab → · Contrast checker → · Palette generator →