#C66539#C66539

#C66539 is a mid, vivid orange. Relative luminance 0.216; OKLCH L 61.3% C 0.137 H 43.7°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX#C66539
RGBrgb(198, 101, 57)
HSLhsl(19, 55%, 50%)
HSVhsv(19, 71%, 78%)
CMYKcmyk(0%, 49%, 71.2%, 22.4%)
CIE-LABlab(53.61, 35.32, 41.73)
CIE-LCHlch(53.61, 54.67, 49.75°)
OKLaboklab(61.33% 0.0988 0.0945)
OKLCHoklch(61.33% 0.137 43.7)
XYZxyz(28.6835, 21.6119, 6.5311)
Luminance0.2161 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C66539 #399AC6
analogous
#C63954 #C66539 #C6AB39
triadic
#C66539 #39C665 #6539C6
tetradic
#C66539 #54C639 #399AC6 #AB39C6
square
#C66539 #54C639 #399AC6 #AB39C6
split-complementary
#C66539 #39C6AB #3954C6
monochromatic
#67351E #964D2B #C66539 #D48A69 #E1AF98

Accessibility & contrast

On white

3.95
#C66539 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.32
#C66539 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C66539
5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C66539#FFFFFF#000000##000000
##C665391.003.955.325.32
#FFFFFF3.951.0021.0021.00
#0000005.3221.001.001.00
##0000005.3221.001.001.00

Color blindness preview

Protanopia (red-blind)
#807334
Deuteranopia (green-blind)
#978837
Tritanopia (blue-blind)
#D9515B
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #c66539;
/* rgb */ color: rgb(198, 101, 57);
/* oklch */ color: oklch(61.3% 0.137 43.7);
Tailwind
colors: {
  custom: {
    50: '#de9271',
    500: '#c66539',
    950: '#000000',
  },
}
SCSS
$custom: #c66539;
$custom-light: #de9271;
$custom-dark: #000000;
JSON
{
  "hex": "#c66539",
  "rgb": {
    "r": 198,
    "g": 101,
    "b": 57
  },
  "hsl": {
    "h": 18.723,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.61334,
    "c": 0.13673,
    "h": 43.7
  },
  "luminance": 0.21609
}

Semantic roles & 50–950 ramp

primary
#C66539
secondary
#8EB9CD
accent
#B0DF49
background
#FEF9F6
surface
#FDF1EC
border
#D5CBC7
text
#160D08
muted
#847E7B

Preview Lab

Preview with #C66539

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

Preview Lab → · Contrast checker → · Palette generator →

#C66539 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva