#C03A2B#C03A2B

#C03A2B is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.4% C 0.173 H 30.0°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX#C03A2B
RGBrgb(192, 58, 43)
HSLhsl(6, 63%, 46%)
HSVhsv(6, 78%, 75%)
CMYKcmyk(0%, 69.8%, 77.6%, 24.7%)
CIE-LABlab(44.82, 52.52, 39.39)
CIE-LCHlch(44.82, 65.65, 36.87°)
OKLaboklab(54.44% 0.15 0.0865)
OKLCHoklch(54.44% 0.173 30)
XYZxyz(23.6900, 14.4106, 3.8191)
Luminance0.1441 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C03A2B #2BB1C0
analogous
#C02B66 #C03A2B #C0842B
triadic
#C03A2B #2BC03A #3A2BC0
tetradic
#C03A2B #66C02B #2BB1C0 #842BC0
square
#C03A2B #66C02B #2BB1C0 #842BC0
split-complementary
#C03A2B #2BC084 #2B66C0
monochromatic
#5C1C15 #8E2B20 #C03A2B #D85E50 #E38C82

Accessibility & contrast

On white

5.41
#C03A2B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.88
#C03A2B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03A2B
5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C03A2B#FFFFFF#000000##FFFFFF
##C03A2B1.005.413.885.41
#FFFFFF5.411.0021.001.00
#0000003.8821.001.0021.00
##FFFFFF5.411.0021.001.00

Color blindness preview

Protanopia (red-blind)
#615728
Deuteranopia (green-blind)
#827526
Tritanopia (blue-blind)
#D30538
Achromatopsia (no color)
#6A6A6A

Design tokens & code

CSS
--color: #c03a2b;
/* rgb */ color: rgb(192, 58, 43);
/* oklch */ color: oklch(54.4% 0.173 30.0);
Tailwind
colors: {
  custom: {
    50: '#dc7865',
    500: '#c03a2b',
    950: '#000000',
  },
}
SCSS
$custom: #c03a2b;
$custom-light: #dc7865;
$custom-dark: #000000;
JSON
{
  "hex": "#c03a2b",
  "rgb": {
    "r": 192,
    "g": 58,
    "b": 43
  },
  "hsl": {
    "h": 6.04,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5444,
    "c": 0.17313,
    "h": 30
  },
  "luminance": 0.14407
}

Semantic roles & 50–950 ramp

primary
#C03A2B
secondary
#7BC4CC
accent
#D6E641
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170906
muted
#857B7A

Preview Lab

Preview with #C03A2B

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

Preview Lab → · Contrast checker → · Palette generator →

#C03A2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva