#663E1E#663E1E

#663E1E is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.5% C 0.072 H 57.4°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#663E1E
RGB	rgb(102, 62, 30)
HSL	hsl(27, 55%, 26%)
HSV	hsv(27, 71%, 40%)
CMYK	cmyk(0%, 39.2%, 70.6%, 60%)
CIE-LAB	lab(30.31, 14.23, 26.52)
CIE-LCH	lch(30.31, 30.09, 61.79°)
OKLab	oklab(40.45% 0.0391 0.061)
OKLCH	oklch(40.45% 0.072 57.4)
XYZ	xyz(7.4370, 6.3645, 2.0648)
Luminance	0.0636 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E1E #1E4666

analogous

#661E22 #663E1E #66621E

triadic

#663E1E #1E663E #3E1E66

tetradic

#663E1E #22661E #1E4666 #621E66

square

#663E1E #22661E #1E4666 #621E66

split-complementary

#663E1E #1E6662 #1E2266

monochromatic

#180E07 #372110 #663E1E #955B2C #C5773A

Accessibility & contrast

On white

9.24

#663E1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#663E1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E1E

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E1E	#FFFFFF	#000000	##FFFFFF
##663E1E	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A421B

Deuteranopia (green-blind)

#534B1E

Tritanopia (blue-blind)

#703637

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663e1e;
/* rgb */ color: rgb(102, 62, 30);
/* oklch */ color: oklch(40.5% 0.072 57.4);

Tailwind

colors: {
  custom: {
    50: '#95735b',
    500: '#663e1e',
    950: '#000000',
  },
}

SCSS

$custom: #663e1e;
$custom-light: #95735b;
$custom-dark: #000000;

JSON

{
  "hex": "#663e1e",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 30
  },
  "hsl": {
    "h": 26.667,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.40453,
    "c": 0.0724,
    "h": 57.4
  },
  "luminance": 0.06364
}

Semantic roles & 50–950 ramp

primary

#663E1E

secondary

#45759B

accent

#9CDE4A

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0804

muted

#7E7B79

Preview Lab

Preview with #663E1E

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

Preview Lab → · Contrast checker → · Palette generator →