#663F16#663F16

#663F16 is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.6% C 0.077 H 63.5°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#663F16
RGB	rgb(102, 63, 22)
HSL	hsl(31, 65%, 24%)
HSV	hsv(31, 78%, 40%)
CMYK	cmyk(0%, 38.2%, 78.4%, 60%)
CIE-LAB	lab(30.49, 13.13, 31.05)
CIE-LCH	lch(30.49, 33.71, 67.09°)
OKLab	oklab(40.56% 0.0344 0.069)
OKLCH	oklch(40.56% 0.077 63.5)
XYZ	xyz(7.4024, 6.4384, 1.6118)
Luminance	0.0644 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663F16 #163D66

analogous

#661716 #663F16 #656616

triadic

#663F16 #16663F #3F1666

tetradic

#663F16 #166617 #163D66 #661665

square

#663F16 #166617 #163D66 #661665

split-complementary

#663F16 #166566 #171666

monochromatic

#191005 #34200B #663F16 #985E21 #CB7D2C

Accessibility & contrast

On white

9.18

#663F16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#663F16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663F16

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663F16	#FFFFFF	#000000	##FFFFFF
##663F16	1.00	9.18	2.29	9.18
#FFFFFF	9.18	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4211

Deuteranopia (green-blind)

#554B17

Tritanopia (blue-blind)

#703636

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #663f16;
/* rgb */ color: rgb(102, 63, 22);
/* oklch */ color: oklch(40.6% 0.077 63.5);

Tailwind

colors: {
  custom: {
    50: '#967456',
    500: '#663f16',
    950: '#000000',
  },
}

SCSS

$custom: #663f16;
$custom-light: #967456;
$custom-dark: #000000;

JSON

{
  "hex": "#663f16",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 22
  },
  "hsl": {
    "h": 30.75,
    "s": 64.516,
    "l": 24.314
  },
  "oklch": {
    "l": 0.40563,
    "c": 0.07712,
    "h": 63.5
  },
  "luminance": 0.06438
}

Semantic roles & 50–950 ramp

primary

#663F16

secondary

#3B6B9D

accent

#92E840

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #663F16

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

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