#663D17#663D17

#663D17 is a dark, moderate orange. Relative luminance 0.062; OKLCH L 40.2% C 0.077 H 60.2°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX#663D17
RGBrgb(102, 61, 23)
HSLhsl(29, 63%, 25%)
HSVhsv(29, 77%, 40%)
CMYKcmyk(0%, 40.2%, 77.5%, 60%)
CIE-LABlab(29.97, 14.41, 30.00)
CIE-LCHlch(29.97, 33.28, 64.34°)
OKLaboklab(40.16% 0.0384 0.067)
OKLCHoklch(40.16% 0.077 60.2)
XYZxyz(7.3035, 6.2249, 1.6273)
Luminance0.0622 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663D17 #174066
analogous
#661718 #663D17 #666517
triadic
#663D17 #17663D #3D1766
tetradic
#663D17 #186617 #174066 #651766
square
#663D17 #186617 #174066 #651766
split-complementary
#663D17 #176665 #171866
monochromatic
#190F06 #341F0C #663D17 #985B22 #CA792E

Accessibility & contrast

On white

9.35
#663D17 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.24
#663D17 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D17
9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663D17#FFFFFF#000000##FFFFFF
##663D171.009.352.249.35
#FFFFFF9.351.0021.001.00
#0000002.2421.001.0021.00
##FFFFFF9.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A4112
Deuteranopia (green-blind)
#534A17
Tritanopia (blue-blind)
#703435
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #663d17;
/* rgb */ color: rgb(102, 61, 23);
/* oklch */ color: oklch(40.2% 0.077 60.2);
Tailwind
colors: {
  custom: {
    50: '#967256',
    500: '#663d17',
    950: '#000000',
  },
}
SCSS
$custom: #663d17;
$custom-light: #967256;
$custom-dark: #000000;
JSON
{
  "hex": "#663d17",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 23
  },
  "hsl": {
    "h": 28.861,
    "s": 63.2,
    "l": 24.51
  },
  "oklch": {
    "l": 0.40164,
    "c": 0.07722,
    "h": 60.2
  },
  "luminance": 0.06224
}

Semantic roles & 50–950 ramp

primary
#663D17
secondary
#3C6E9C
accent
#97E642
background
#F9F6F5
surface
#F2ECE9
border
#CCC7C5
text
#0E0803
muted
#7E7B78

Preview Lab

Preview with #663D17

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

Preview Lab → · Contrast checker → · Palette generator →

#663D17 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva