#C03331#C03331

#C03331 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.8% C 0.178 H 26.2°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX#C03331
RGBrgb(192, 51, 49)
HSLhsl(1, 59%, 47%)
HSVhsv(1, 74%, 75%)
CMYKcmyk(0%, 73.4%, 74.5%, 24.7%)
CIE-LABlab(43.94, 55.35, 35.07)
CIE-LCHlch(43.94, 65.52, 32.36°)
OKLaboklab(53.81% 0.1601 0.0787)
OKLCHoklch(53.81% 0.178 26.2)
XYZxyz(23.4791, 13.7995, 4.3324)
Luminance0.1380 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C03331 #31BEC0
analogous
#C03177 #C03331 #C07A31
triadic
#C03331 #31C033 #3331C0
tetradic
#C03331 #77C031 #31BEC0 #7A31C0
square
#C03331 #77C031 #31BEC0 #7A31C0
split-complementary
#C03331 #31C07A #3177C0
monochromatic
#5E1918 #8F2625 #C03331 #D55B59 #E18B8A

Accessibility & contrast

On white

5.59
#C03331 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.76
#C03331 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03331
5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C03331#FFFFFF#000000##FFFFFF
##C033311.005.593.765.59
#FFFFFF5.591.0021.001.00
#0000003.7621.001.0021.00
##FFFFFF5.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D542F
Deuteranopia (green-blind)
#80732C
Tritanopia (blue-blind)
#D30034
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #c03331;
/* rgb */ color: rgb(192, 51, 49);
/* oklch */ color: oklch(53.8% 0.178 26.2);
Tailwind
colors: {
  custom: {
    50: '#dc7569',
    500: '#c03331',
    950: '#000000',
  },
}
SCSS
$custom: #c03331;
$custom-light: #dc7569;
$custom-dark: #000000;
JSON
{
  "hex": "#c03331",
  "rgb": {
    "r": 192,
    "g": 51,
    "b": 49
  },
  "hsl": {
    "h": 0.839,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5381,
    "c": 0.17836,
    "h": 26.2
  },
  "luminance": 0.13796
}

Semantic roles & 50–950 ramp

primary
#C03331
secondary
#82CACB
accent
#E0E345
background
#FEF7F6
surface
#FDEDEB
border
#D5C8C6
text
#170906
muted
#857B7A

Preview Lab

Preview with #C03331

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

Preview Lab → · Contrast checker → · Palette generator →

#C03331 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva