#C64739#C64739

#C64739 is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.1% C 0.165 H 29.4°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#C64739
RGBrgb(198, 71, 57)
HSLhsl(6, 55%, 50%)
HSVhsv(6, 71%, 78%)
CMYKcmyk(0%, 64.1%, 71.2%, 22.4%)
CIE-LABlab(48.02, 49.79, 35.43)
CIE-LCHlch(48.02, 61.11, 35.43°)
OKLaboklab(57.1% 0.1435 0.0808)
OKLCHoklch(57.1% 0.165 29.4)
XYZxyz(26.2832, 16.8114, 5.7310)
Luminance0.1681 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C64739 #39B8C6
analogous
#C63972 #C64739 #C68D39
triadic
#C64739 #39C647 #4739C6
tetradic
#C64739 #72C639 #39B8C6 #8D39C6
square
#C64739 #72C639 #39B8C6 #8D39C6
split-complementary
#C64739 #39C68D #3972C6
monochromatic
#67251E #96362B #C64739 #D47369 #E19F98

Accessibility & contrast

On white

4.81
#C64739 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.36
#C64739 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C64739
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C64739#FFFFFF#000000##FFFFFF
##C647391.004.814.364.81
#FFFFFF4.811.0021.001.00
#0000004.3621.001.0021.00
##FFFFFF4.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A6137
Deuteranopia (green-blind)
#8A7C35
Tritanopia (blue-blind)
#D92745
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #c64739;
/* rgb */ color: rgb(198, 71, 57);
/* oklch */ color: oklch(57.1% 0.165 29.4);
Tailwind
colors: {
  custom: {
    50: '#df8070',
    500: '#c64739',
    950: '#000000',
  },
}
SCSS
$custom: #c64739;
$custom-light: #df8070;
$custom-dark: #000000;
JSON
{
  "hex": "#c64739",
  "rgb": {
    "r": 198,
    "g": 71,
    "b": 57
  },
  "hsl": {
    "h": 5.957,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.57095,
    "c": 0.16474,
    "h": 29.4
  },
  "luminance": 0.16808
}

Semantic roles & 50–950 ramp

primary
#C64739
secondary
#8EC7CD
accent
#D0DF49
background
#FEF8F6
surface
#FDEFEC
border
#D5CAC7
text
#170B07
muted
#857C7A

Preview Lab

Preview with #C64739

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

Preview Lab → · Contrast checker → · Palette generator →

#C64739 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva