#663F19#663F19

#663F19 is a dark, moderate orange. Relative luminance 0.065; OKLCH L 40.6% C 0.075 H 61.9°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#663F19
RGB	rgb(102, 63, 25)
HSL	hsl(30, 61%, 25%)
HSV	hsv(30, 75%, 40%)
CMYK	cmyk(0%, 38.2%, 75.5%, 60%)
CIE-LAB	lab(30.52, 13.29, 29.52)
CIE-LCH	lch(30.52, 32.37, 65.76°)
OKLab	oklab(40.6% 0.0354 0.0664)
OKLCH	oklch(40.6% 0.075 61.9)
XYZ	xyz(7.4330, 6.4507, 1.7732)
Luminance	0.0645 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663F19 #194066

analogous

#66191A #663F19 #666519

triadic

#663F19 #19663F #3F1966

tetradic

#663F19 #1A6619 #194066 #651966

square

#663F19 #1A6619 #194066 #651966

split-complementary

#663F19 #196665 #191A66

monochromatic

#190F06 #35210D #663F19 #975D25 #C87C31

Accessibility & contrast

On white

9.17

#663F19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#663F19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663F19

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663F19	#FFFFFF	#000000	##FFFFFF
##663F19	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4215

Deuteranopia (green-blind)

#544B19

Tritanopia (blue-blind)

#703637

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #663f19;
/* rgb */ color: rgb(102, 63, 25);
/* oklch */ color: oklch(40.6% 0.075 61.9);

Tailwind

colors: {
  custom: {
    50: '#967458',
    500: '#663f19',
    950: '#000000',
  },
}

SCSS

$custom: #663f19;
$custom-light: #967458;
$custom-dark: #000000;

JSON

{
  "hex": "#663f19",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 25
  },
  "hsl": {
    "h": 29.61,
    "s": 60.63,
    "l": 24.902
  },
  "oklch": {
    "l": 0.40596,
    "c": 0.07526,
    "h": 61.9
  },
  "luminance": 0.0645
}

Semantic roles & 50–950 ramp

primary

#663F19

secondary

#3F6E9C

accent

#95E444

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #663F19

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

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