#C66737#C66737

#C66737 is a mid, vivid orange. Relative luminance 0.220; OKLCH L 61.6% C 0.136 H 45.7°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#C66737
RGBrgb(198, 103, 55)
HSLhsl(20, 57%, 50%)
HSVhsv(20, 72%, 78%)
CMYKcmyk(0%, 48%, 72.2%, 22.4%)
CIE-LABlab(54.01, 34.18, 43.20)
CIE-LCHlch(54.01, 55.08, 51.65°)
OKLaboklab(61.63% 0.095 0.0972)
OKLCHoklch(61.63% 0.136 45.7)
XYZxyz(28.8312, 21.9855, 6.3390)
Luminance0.2198 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C66737 #3796C6
analogous
#C6374E #C66737 #C6AF37
triadic
#C66737 #37C667 #6737C6
tetradic
#C66737 #4EC637 #3796C6 #AF37C6
square
#C66737 #4EC637 #3796C6 #AF37C6
split-complementary
#C66737 #37C6AF #374EC6
monochromatic
#66351C #964E2A #C66737 #D48B66 #E2AF96

Accessibility & contrast

On white

3.89
#C66737 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.40
#C66737 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C66737
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C66737#FFFFFF#000000##000000
##C667371.003.895.405.40
#FFFFFF3.891.0021.0021.00
#0000005.4021.001.001.00
##0000005.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#817432
Deuteranopia (green-blind)
#988935
Tritanopia (blue-blind)
#D9545C
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #c66737;
/* rgb */ color: rgb(198, 103, 55);
/* oklch */ color: oklch(61.6% 0.136 45.7);
Tailwind
colors: {
  custom: {
    50: '#de9470',
    500: '#c66737',
    950: '#000000',
  },
}
SCSS
$custom: #c66737;
$custom-light: #de9470;
$custom-dark: #000000;
JSON
{
  "hex": "#c66737",
  "rgb": {
    "r": 198,
    "g": 103,
    "b": 55
  },
  "hsl": {
    "h": 20.14,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.61632,
    "c": 0.13594,
    "h": 45.7
  },
  "luminance": 0.21982
}

Semantic roles & 50–950 ramp

primary
#C66737
secondary
#8CB7CD
accent
#ADE048
background
#FEF9F6
surface
#FDF1EC
border
#D5CBC7
text
#160D07
muted
#847E7A

Preview Lab

Preview with #C66737

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

Preview Lab → · Contrast checker → · Palette generator →

#C66737 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva