#663F15#663F15

#663F15 is a dark, moderate orange. Relative luminance 0.064; OKLCH L 40.6% C 0.078 H 64.0°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#663F15
RGB	rgb(102, 63, 21)
HSL	hsl(31, 66%, 24%)
HSV	hsv(31, 79%, 40%)
CMYK	cmyk(0%, 38.2%, 79.4%, 60%)
CIE-LAB	lab(30.48, 13.07, 31.55)
CIE-LCH	lch(30.48, 34.15, 67.49°)
OKLab	oklab(40.55% 0.0341 0.0698)
OKLCH	oklch(40.55% 0.078 64)
XYZ	xyz(7.3929, 6.4346, 1.5620)
Luminance	0.0643 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663F15 #153C66

analogous

#661615 #663F15 #656615

triadic

#663F15 #15663F #3F1566

tetradic

#663F15 #156616 #153C66 #661565

square

#663F15 #156616 #153C66 #661565

split-complementary

#663F15 #156566 #161566

monochromatic

#191005 #33200B #663F15 #995E1F #CC7E2A

Accessibility & contrast

On white

9.18

#663F15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#663F15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663F15

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663F15	#FFFFFF	#000000	##FFFFFF
##663F15	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)

#4B4210

Deuteranopia (green-blind)

#554B16

Tritanopia (blue-blind)

#703636

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #663f15;
/* rgb */ color: rgb(102, 63, 21);
/* oklch */ color: oklch(40.6% 0.078 64.0);

Tailwind

colors: {
  custom: {
    50: '#967455',
    500: '#663f15',
    950: '#000000',
  },
}

SCSS

$custom: #663f15;
$custom-light: #967455;
$custom-dark: #000000;

JSON

{
  "hex": "#663f15",
  "rgb": {
    "r": 102,
    "g": 63,
    "b": 21
  },
  "hsl": {
    "h": 31.111,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.40554,
    "c": 0.07772,
    "h": 64
  },
  "luminance": 0.06434
}

Semantic roles & 50–950 ramp

primary

#663F15

secondary

#3A6A9D

accent

#91E93F

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #663F15

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

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