#C23E31#C23E31

#C23E31 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.3% C 0.171 H 29.3°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#C23E31
RGBrgb(194, 62, 49)
HSLhsl(5, 60%, 48%)
HSVhsv(5, 75%, 76%)
CMYKcmyk(0%, 68%, 74.7%, 23.9%)
CIE-LABlab(45.83, 51.84, 37.26)
CIE-LCHlch(45.83, 63.84, 35.71°)
OKLaboklab(55.28% 0.1488 0.0833)
OKLCHoklch(55.28% 0.171 29.3)
XYZxyz(24.5279, 15.1400, 4.5359)
Luminance0.1514 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C23E31 #31B5C2
analogous
#C2316D #C23E31 #C28631
triadic
#C23E31 #31C23E #3E31C2
tetradic
#C23E31 #6DC231 #31B5C2 #8631C2
square
#C23E31 #6DC231 #31B5C2 #8631C2
split-complementary
#C23E31 #31C286 #316DC2
monochromatic
#601F18 #912E25 #C23E31 #D6665B #E2938C

Accessibility & contrast

On white

5.21
#C23E31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.03
#C23E31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23E31
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C23E31#FFFFFF#000000##FFFFFF
##C23E311.005.214.035.21
#FFFFFF5.211.0021.001.00
#0000004.0321.001.0021.00
##FFFFFF5.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#645A2F
Deuteranopia (green-blind)
#84772C
Tritanopia (blue-blind)
#D5143C
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #c23e31;
/* rgb */ color: rgb(194, 62, 49);
/* oklch */ color: oklch(55.3% 0.171 29.3);
Tailwind
colors: {
  custom: {
    50: '#dd7b6a',
    500: '#c23e31',
    950: '#000000',
  },
}
SCSS
$custom: #c23e31;
$custom-light: #dd7b6a;
$custom-dark: #000000;
JSON
{
  "hex": "#c23e31",
  "rgb": {
    "r": 194,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 5.379,
    "s": 59.671,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55284,
    "c": 0.17054,
    "h": 29.3
  },
  "luminance": 0.15136
}

Semantic roles & 50–950 ramp

primary
#C23E31
secondary
#83C5CC
accent
#D5E345
background
#FEF7F6
surface
#FDEEEB
border
#D5C9C6
text
#170A06
muted
#857C7A

Preview Lab

Preview with #C23E31

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

Preview Lab → · Contrast checker → · Palette generator →

#C23E31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva