#C66738#C66738

#C66738 is a mid, vivid orange. Relative luminance 0.220; OKLCH L 61.6% C 0.136 H 45.3°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#C66738
RGBrgb(198, 103, 56)
HSLhsl(20, 56%, 50%)
HSVhsv(20, 72%, 78%)
CMYKcmyk(0%, 48%, 71.7%, 22.4%)
CIE-LABlab(54.02, 34.23, 42.70)
CIE-LCHlch(54.02, 54.72, 51.28°)
OKLaboklab(61.64% 0.0953 0.0964)
OKLCHoklch(61.64% 0.136 45.3)
XYZxyz(28.8554, 21.9952, 6.4665)
Luminance0.2199 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C66738 #3897C6
analogous
#C63850 #C66738 #C6AE38
triadic
#C66738 #38C667 #6738C6
tetradic
#C66738 #50C638 #3897C6 #AE38C6
square
#C66738 #50C638 #3897C6 #AE38C6
split-complementary
#C66738 #38C6AE #3850C6
monochromatic
#67351D #964E2B #C66738 #D48B67 #E2B097

Accessibility & contrast

On white

3.89
#C66738 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.40
#C66738 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C66738
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C66738#FFFFFF#000000##000000
##C667381.003.895.405.40
#FFFFFF3.891.0021.0021.00
#0000005.4021.001.001.00
##0000005.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#817433
Deuteranopia (green-blind)
#988936
Tritanopia (blue-blind)
#D9545D
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #c66738;
/* rgb */ color: rgb(198, 103, 56);
/* oklch */ color: oklch(61.6% 0.136 45.3);
Tailwind
colors: {
  custom: {
    50: '#dd9471',
    500: '#c66738',
    950: '#000000',
  },
}
SCSS
$custom: #c66738;
$custom-light: #dd9471;
$custom-dark: #000000;
JSON
{
  "hex": "#c66738",
  "rgb": {
    "r": 198,
    "g": 103,
    "b": 56
  },
  "hsl": {
    "h": 19.859,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.61644,
    "c": 0.13555,
    "h": 45.3
  },
  "luminance": 0.21992
}

Semantic roles & 50–950 ramp

primary
#C66738
secondary
#8DB8CD
accent
#ADDF49
background
#FEF9F6
surface
#FDF1EC
border
#D5CBC7
text
#160D08
muted
#847E7B

Preview Lab

Preview with #C66738

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

Preview Lab → · Contrast checker → · Palette generator →

#C66738 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva