#C23939#C23939

#C23939 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.9% C 0.174 H 25.0°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C23939
RGB	rgb(194, 57, 57)
HSL	hsl(0, 55%, 49%)
HSV	hsv(0, 71%, 76%)
CMYK	cmyk(0%, 70.6%, 70.6%, 23.9%)
CIE-LAB	lab(45.21, 54.15, 31.97)
CIE-LCH	lch(45.21, 62.89, 30.56°)
OKLab	oklab(54.86% 0.1577 0.0735)
OKLCH	oklch(54.86% 0.174 25)
XYZ	xyz(24.4525, 14.6946, 5.4189)
Luminance	0.1469 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23939 #39C2C2

analogous

#C2397E #C23939 #C27E39

triadic

#C23939 #39C239 #3939C2

tetradic

#C23939 #7EC239 #39C2C2 #7E39C2

square

#C23939 #7EC239 #39C2C2 #7E39C2

split-complementary

#C23939 #39C27E #397EC2

monochromatic

#631D1D #932B2B #C23939 #D26666 #E09595

Accessibility & contrast

On white

5.33

#C23939 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C23939 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23939

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23939	#FFFFFF	#000000	##FFFFFF
##C23939	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605838

Deuteranopia (green-blind)

#827635

Tritanopia (blue-blind)

#D5063B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c23939;
/* rgb */ color: rgb(194, 57, 57);
/* oklch */ color: oklch(54.9% 0.174 25.0);

Tailwind

colors: {
  custom: {
    50: '#dd786f',
    500: '#c23939',
    950: '#000000',
  },
}

SCSS

$custom: #c23939;
$custom-light: #dd786f;
$custom-dark: #000000;

JSON

{
  "hex": "#c23939",
  "rgb": {
    "r": 194,
    "g": 57,
    "b": 57
  },
  "hsl": {
    "h": 0,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54858,
    "c": 0.174,
    "h": 25
  },
  "luminance": 0.14691
}

Semantic roles & 50–950 ramp

primary

#C23939

secondary

#8BCBCB

accent

#DEDE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C23939

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

Preview Lab → · Contrast checker → · Palette generator →