#C23539#C23539

#C23539 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.5% C 0.178 H 23.9°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#C23539
RGB	rgb(194, 53, 57)
HSL	hsl(358, 57%, 48%)
HSV	hsv(358, 73%, 76%)
CMYK	cmyk(0%, 72.7%, 70.6%, 23.9%)
CIE-LAB	lab(44.68, 55.62, 31.34)
CIE-LCH	lch(44.68, 63.85, 29.40°)
OKLab	oklab(54.46% 0.1624 0.0721)
OKLCH	oklch(54.46% 0.178 23.9)
XYZ	xyz(24.2625, 14.3146, 5.3556)
Luminance	0.1431 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23539 #35C2BE

analogous

#C2357F #C23539 #C27735

triadic

#C23539 #39C235 #3539C2

tetradic

#C23539 #7FC235 #35C2BE #7735C2

square

#C23539 #7FC235 #35C2BE #7735C2

split-complementary

#C23539 #35C277 #357FC2

monochromatic

#621B1D #92282B #C23539 #D46064 #E19193

Accessibility & contrast

On white

5.44

#C23539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#C23539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23539

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23539	#FFFFFF	#000000	##FFFFFF
##C23539	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5638

Deuteranopia (green-blind)

#817534

Tritanopia (blue-blind)

#D50038

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c23539;
/* rgb */ color: rgb(194, 53, 57);
/* oklch */ color: oklch(54.5% 0.178 23.9);

Tailwind

colors: {
  custom: {
    50: '#dd776f',
    500: '#c23539',
    950: '#000000',
  },
}

SCSS

$custom: #c23539;
$custom-light: #dd776f;
$custom-dark: #000000;

JSON

{
  "hex": "#c23539",
  "rgb": {
    "r": 194,
    "g": 53,
    "b": 57
  },
  "hsl": {
    "h": 358.298,
    "s": 57.085,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54461,
    "c": 0.17766,
    "h": 23.9
  },
  "luminance": 0.14311
}

Semantic roles & 50–950 ramp

primary

#C23539

secondary

#87CCCA

accent

#E0DC47

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C23539

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

Preview Lab → · Contrast checker → · Palette generator →