#C55A3B#C55A3B

#C55A3B is a mid, vivid red. Relative luminance 0.195; OKLCH L 59.5% C 0.145 H 36.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#C55A3B
RGBrgb(197, 90, 59)
HSLhsl(13, 54%, 50%)
HSVhsv(13, 70%, 77%)
CMYKcmyk(0%, 54.3%, 70.1%, 22.7%)
CIE-LABlab(51.27, 40.64, 38.00)
CIE-LCHlch(51.27, 55.64, 43.07°)
OKLaboklab(59.52% 0.1156 0.0868)
OKLCHoklch(59.52% 0.145 36.9)
XYZxyz(27.4742, 19.5019, 6.4543)
Luminance0.1950 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C55A3B #3BA6C5
analogous
#C53B61 #C55A3B #C59F3B
triadic
#C55A3B #3BC55A #5A3BC5
tetradic
#C55A3B #61C53B #3BA6C5 #9F3BC5
square
#C55A3B #61C53B #3BA6C5 #9F3BC5
split-complementary
#C55A3B #3BC59F #3B61C5
monochromatic
#672F1F #96442C #C55A3B #D3826A #E1AA99

Accessibility & contrast

On white

4.29
#C55A3B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.90
#C55A3B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C55A3B
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C55A3B#FFFFFF#000000##000000
##C55A3B1.004.294.904.90
#FFFFFF4.291.0021.0021.00
#0000004.9021.001.001.00
##0000004.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#776C38
Deuteranopia (green-blind)
#918338
Tritanopia (blue-blind)
#D84453
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #c55a3b;
/* rgb */ color: rgb(197, 90, 59);
/* oklch */ color: oklch(59.5% 0.145 36.9);
Tailwind
colors: {
  custom: {
    50: '#dd8b72',
    500: '#c55a3b',
    950: '#000000',
  },
}
SCSS
$custom: #c55a3b;
$custom-light: #dd8b72;
$custom-dark: #000000;
JSON
{
  "hex": "#c55a3b",
  "rgb": {
    "r": 197,
    "g": 90,
    "b": 59
  },
  "hsl": {
    "h": 13.478,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.59525,
    "c": 0.14458,
    "h": 36.9
  },
  "luminance": 0.19498
}

Semantic roles & 50–950 ramp

primary
#C55A3B
secondary
#8FBFCD
accent
#BDDE4A
background
#FEF8F6
surface
#FDF0EC
border
#D5CBC7
text
#160C08
muted
#847D7B

Preview Lab

Preview with #C55A3B

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

Preview Lab → · Contrast checker → · Palette generator →

#C55A3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva