#C55738#C55738

#C55738 is a mid, vivid red. Relative luminance 0.190; OKLCH L 59.1% C 0.148 H 36.5°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX#C55738
RGBrgb(197, 87, 56)
HSLhsl(13, 56%, 50%)
HSVhsv(13, 72%, 77%)
CMYKcmyk(0%, 55.8%, 71.6%, 22.7%)
CIE-LABlab(50.66, 41.97, 38.93)
CIE-LCHlch(50.66, 57.25, 42.85°)
OKLaboklab(59.05% 0.1191 0.0883)
OKLCHoklch(59.05% 0.148 36.5)
XYZxyz(27.1506, 18.9757, 5.9736)
Luminance0.1897 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C55738 #38A6C5
analogous
#C53860 #C55738 #C59D38
triadic
#C55738 #38C557 #5738C5
tetradic
#C55738 #60C538 #38A6C5 #9D38C5
square
#C55738 #60C538 #38A6C5 #9D38C5
split-complementary
#C55738 #38C59D #3860C5
monochromatic
#662D1D #95422A #C55738 #D47F67 #E1A796

Accessibility & contrast

On white

4.38
#C55738 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.79
#C55738 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C55738
4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C55738#FFFFFF#000000##000000
##C557381.004.384.794.79
#FFFFFF4.381.0021.0021.00
#0000004.7921.001.001.00
##0000004.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#756A34
Deuteranopia (green-blind)
#908235
Tritanopia (blue-blind)
#D84050
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #c55738;
/* rgb */ color: rgb(197, 87, 56);
/* oklch */ color: oklch(59.1% 0.148 36.5);
Tailwind
colors: {
  custom: {
    50: '#dd8970',
    500: '#c55738',
    950: '#000000',
  },
}
SCSS
$custom: #c55738;
$custom-light: #dd8970;
$custom-dark: #000000;
JSON
{
  "hex": "#c55738",
  "rgb": {
    "r": 197,
    "g": 87,
    "b": 56
  },
  "hsl": {
    "h": 13.191,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.59051,
    "c": 0.14829,
    "h": 36.5
  },
  "luminance": 0.18972
}

Semantic roles & 50–950 ramp

primary
#C55738
secondary
#8CBECD
accent
#BEDF49
background
#FEF8F6
surface
#FDF0EC
border
#D5CBC7
text
#160C07
muted
#847D7A

Preview Lab

Preview with #C55738

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

Preview Lab → · Contrast checker → · Palette generator →

#C55738 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva