#C03D31#C03D31

#C03D31 is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.8% C 0.169 H 29.0°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX#C03D31
RGBrgb(192, 61, 49)
HSLhsl(5, 59%, 47%)
HSVhsv(5, 74%, 75%)
CMYKcmyk(0%, 68.2%, 74.5%, 24.7%)
CIE-LABlab(45.32, 51.58, 36.60)
CIE-LCHlch(45.32, 63.24, 35.36°)
OKLaboklab(54.84% 0.1482 0.082)
OKLCHoklch(54.84% 0.169 29)
XYZxyz(23.9640, 14.7692, 4.4940)
Luminance0.1477 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C03D31 #31B4C0
analogous
#C0316D #C03D31 #C08531
triadic
#C03D31 #31C03D #3D31C0
tetradic
#C03D31 #6DC031 #31B4C0 #8531C0
square
#C03D31 #6DC031 #31B4C0 #8531C0
split-complementary
#C03D31 #31C085 #316DC0
monochromatic
#5E1E18 #8F2E25 #C03D31 #D56459 #E1928A

Accessibility & contrast

On white

5.31
#C03D31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.95
#C03D31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03D31
5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C03D31#FFFFFF#000000##FFFFFF
##C03D311.005.313.955.31
#FFFFFF5.311.0021.001.00
#0000003.9521.001.0021.00
##FFFFFF5.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#62592F
Deuteranopia (green-blind)
#83762C
Tritanopia (blue-blind)
#D3133B
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #c03d31;
/* rgb */ color: rgb(192, 61, 49);
/* oklch */ color: oklch(54.8% 0.169 29.0);
Tailwind
colors: {
  custom: {
    50: '#db7a6a',
    500: '#c03d31',
    950: '#000000',
  },
}
SCSS
$custom: #c03d31;
$custom-light: #db7a6a;
$custom-dark: #000000;
JSON
{
  "hex": "#c03d31",
  "rgb": {
    "r": 192,
    "g": 61,
    "b": 49
  },
  "hsl": {
    "h": 5.035,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54836,
    "c": 0.16938,
    "h": 29
  },
  "luminance": 0.14766
}

Semantic roles & 50–950 ramp

primary
#C03D31
secondary
#82C5CB
accent
#D5E345
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170A06
muted
#857C7A

Preview Lab

Preview with #C03D31

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

Preview Lab → · Contrast checker → · Palette generator →

#C03D31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva