#663E18#663E18

#663E18 is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.4% C 0.076 H 61.0°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#663E18
RGB	rgb(102, 62, 24)
HSL	hsl(29, 62%, 25%)
HSV	hsv(29, 76%, 40%)
CMYK	cmyk(0%, 39.2%, 76.5%, 60%)
CIE-LAB	lab(30.25, 13.85, 29.76)
CIE-LCH	lch(30.25, 32.82, 65.04°)
OKLab	oklab(40.38% 0.0369 0.0667)
OKLCH	oklch(40.38% 0.076 61)
XYZ	xyz(7.3676, 6.3367, 1.6991)
Luminance	0.0634 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663E18 #184066

analogous

#661819 #663E18 #666518

triadic

#663E18 #18663E #3E1866

tetradic

#663E18 #196618 #184066 #651866

square

#663E18 #196618 #184066 #651866

split-complementary

#663E18 #186665 #181966

monochromatic

#190F06 #34200C #663E18 #985C24 #C97A2F

Accessibility & contrast

On white

9.26

#663E18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#663E18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663E18

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663E18	#FFFFFF	#000000	##FFFFFF
##663E18	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4214

Deuteranopia (green-blind)

#544B18

Tritanopia (blue-blind)

#703536

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663e18;
/* rgb */ color: rgb(102, 62, 24);
/* oklch */ color: oklch(40.4% 0.076 61.0);

Tailwind

colors: {
  custom: {
    50: '#967357',
    500: '#663e18',
    950: '#000000',
  },
}

SCSS

$custom: #663e18;
$custom-light: #967357;
$custom-dark: #000000;

JSON

{
  "hex": "#663e18",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 24
  },
  "hsl": {
    "h": 29.231,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.40379,
    "c": 0.07624,
    "h": 61
  },
  "luminance": 0.06336
}

Semantic roles & 50–950 ramp

primary

#663E18

secondary

#3E6E9C

accent

#96E543

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #663E18

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

Preview Lab → · Contrast checker → · Palette generator →