#C66739#C66739

#C66739 is a mid, vivid orange. Relative luminance 0.220; OKLCH L 61.7% C 0.135 H 45.0°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#C66739
RGBrgb(198, 103, 57)
HSLhsl(20, 55%, 50%)
HSVhsv(20, 71%, 78%)
CMYKcmyk(0%, 48%, 71.2%, 22.4%)
CIE-LABlab(54.03, 34.28, 42.19)
CIE-LCHlch(54.03, 54.36, 50.91°)
OKLaboklab(61.66% 0.0957 0.0955)
OKLCHoklch(61.66% 0.135 45)
XYZxyz(28.8801, 22.0050, 6.5966)
Luminance0.2200 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C66739 #3998C6
analogous
#C63952 #C66739 #C6AD39
triadic
#C66739 #39C667 #6739C6
tetradic
#C66739 #52C639 #3998C6 #AD39C6
square
#C66739 #52C639 #3998C6 #AD39C6
split-complementary
#C66739 #39C6AD #3952C6
monochromatic
#67361E #964E2B #C66739 #D48B69 #E1B098

Accessibility & contrast

On white

3.89
#C66739 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.40
#C66739 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C66739
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C66739#FFFFFF#000000##000000
##C667391.003.895.405.40
#FFFFFF3.891.0021.0021.00
#0000005.4021.001.001.00
##0000005.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#817434
Deuteranopia (green-blind)
#988937
Tritanopia (blue-blind)
#D9545D
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #c66739;
/* rgb */ color: rgb(198, 103, 57);
/* oklch */ color: oklch(61.7% 0.135 45.0);
Tailwind
colors: {
  custom: {
    50: '#dd9471',
    500: '#c66739',
    950: '#000000',
  },
}
SCSS
$custom: #c66739;
$custom-light: #dd9471;
$custom-dark: #000000;
JSON
{
  "hex": "#c66739",
  "rgb": {
    "r": 198,
    "g": 103,
    "b": 57
  },
  "hsl": {
    "h": 19.574,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.61655,
    "c": 0.13516,
    "h": 45
  },
  "luminance": 0.22002
}

Semantic roles & 50–950 ramp

primary
#C66739
secondary
#8EB8CD
accent
#AEDF49
background
#FEF9F6
surface
#FDF1EC
border
#D5CBC7
text
#160D08
muted
#847E7B

Preview Lab

Preview with #C66739

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

Preview Lab → · Contrast checker → · Palette generator →

#C66739 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva