#663A15#663A15

#663A15 is a dark, moderate orange. Relative luminance 0.059; OKLCH L 39.5% C 0.080 H 57.2°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX#663A15
RGBrgb(102, 58, 21)
HSLhsl(27, 66%, 24%)
HSVhsv(27, 79%, 40%)
CMYKcmyk(0%, 43.1%, 79.4%, 60%)
CIE-LABlab(29.17, 16.14, 30.22)
CIE-LCHlch(29.17, 34.26, 61.89°)
OKLaboklab(39.54% 0.0432 0.067)
OKLCHoklch(39.54% 0.08 57.2)
XYZxyz(7.1285, 5.9058, 1.4738)
Luminance0.0590 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#663A15 #154166
analogous
#661519 #663A15 #666315
triadic
#663A15 #15663A #3A1566
tetradic
#663A15 #196615 #154166 #631566
square
#663A15 #196615 #154166 #631566
split-complementary
#663A15 #156663 #151966
monochromatic
#190E05 #331D0B #663A15 #99571F #CC742A

Accessibility & contrast

On white

9.63
#663A15 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.18
#663A15 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663A15
9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##663A15#FFFFFF#000000##FFFFFF
##663A151.009.632.189.63
#FFFFFF9.631.0021.001.00
#0000002.1821.001.0021.00
##FFFFFF9.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#473F10
Deuteranopia (green-blind)
#524915
Tritanopia (blue-blind)
#703032
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #663a15;
/* rgb */ color: rgb(102, 58, 21);
/* oklch */ color: oklch(39.5% 0.080 57.2);
Tailwind
colors: {
  custom: {
    50: '#967055',
    500: '#663a15',
    950: '#000000',
  },
}
SCSS
$custom: #663a15;
$custom-light: #967055;
$custom-dark: #000000;
JSON
{
  "hex": "#663a15",
  "rgb": {
    "r": 102,
    "g": 58,
    "b": 21
  },
  "hsl": {
    "h": 27.407,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.3954,
    "c": 0.07973,
    "h": 57.2
  },
  "luminance": 0.05905
}

Semantic roles & 50–950 ramp

primary
#663A15
secondary
#3A709D
accent
#9BE93F
background
#F9F6F5
surface
#F2ECE8
border
#CCC7C4
text
#0E0703
muted
#7E7A78

Preview Lab

Preview with #663A15

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

Preview Lab → · Contrast checker → · Palette generator →

#663A15 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva