#C55B3F#C55B3F

#C55B3F is a mid, vivid red. Relative luminance 0.197; OKLCH L 59.7% C 0.142 H 35.8°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX#C55B3F
RGBrgb(197, 91, 63)
HSLhsl(13, 54%, 51%)
HSVhsv(13, 68%, 77%)
CMYKcmyk(0%, 53.8%, 68%, 22.7%)
CIE-LABlab(51.51, 40.36, 36.09)
CIE-LCHlch(51.51, 54.15, 41.80°)
OKLaboklab(59.73% 0.1155 0.0834)
OKLCHoklch(59.73% 0.142 35.8)
XYZxyz(27.6668, 19.7148, 7.0501)
Luminance0.1971 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C55B3F #3FA9C5
analogous
#C53F66 #C55B3F #C59E3F
triadic
#C55B3F #3FC55B #5B3FC5
tetradic
#C55B3F #66C53F #3FA9C5 #9E3FC5
square
#C55B3F #66C53F #3FA9C5 #9E3FC5
split-complementary
#C55B3F #3FC59E #3F66C5
monochromatic
#6A2F20 #99442E #C55B3F #D3836E #E1AB9D

Accessibility & contrast

On white

4.25
#C55B3F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.94
#C55B3F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #C55B3F
4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C55B3F#FFFFFF#000000##000000
##C55B3F1.004.254.944.94
#FFFFFF4.251.0021.0021.00
#0000004.9421.001.001.00
##0000004.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#776C3C
Deuteranopia (green-blind)
#91843D
Tritanopia (blue-blind)
#D84655
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #c55b3f;
/* rgb */ color: rgb(197, 91, 63);
/* oklch */ color: oklch(59.7% 0.142 35.8);
Tailwind
colors: {
  custom: {
    50: '#dd8c75',
    500: '#c55b3f',
    950: '#000000',
  },
}
SCSS
$custom: #c55b3f;
$custom-light: #dd8c75;
$custom-dark: #000000;
JSON
{
  "hex": "#c55b3f",
  "rgb": {
    "r": 197,
    "g": 91,
    "b": 63
  },
  "hsl": {
    "h": 12.537,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.59727,
    "c": 0.14241,
    "h": 35.8
  },
  "luminance": 0.19711
}

Semantic roles & 50–950 ramp

primary
#C55B3F
secondary
#92C1CE
accent
#BEDD4B
background
#FEF8F7
surface
#FDF0ED
border
#D5CBC8
text
#160C08
muted
#847D7B

Preview Lab

Preview with #C55B3F

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

Preview Lab → · Contrast checker → · Palette generator →

#C55B3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva