#C23437#C23437

#C23437 is a mid, vivid red. Relative luminance 0.142; OKLCH L 54.3% C 0.179 H 24.4°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#C23437
RGB	rgb(194, 52, 55)
HSL	hsl(359, 58%, 48%)
HSV	hsv(359, 73%, 76%)
CMYK	cmyk(0%, 73.2%, 71.6%, 23.9%)
CIE-LAB	lab(44.53, 55.88, 32.34)
CIE-LCH	lch(44.53, 64.57, 30.06°)
OKLab	oklab(54.34% 0.1628 0.0739)
OKLCH	oklch(54.34% 0.179 24.4)
XYZ	xyz(24.1684, 14.2048, 5.0829)
Luminance	0.1420 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23437 #34C2BF

analogous

#C2347E #C23437 #C27834

triadic

#C23437 #37C234 #3437C2

tetradic

#C23437 #7EC234 #34C2BF #7834C2

square

#C23437 #7EC234 #34C2BF #7834C2

split-complementary

#C23437 #34C278 #347EC2

monochromatic

#611A1C #922729 #C23437 #D45F62 #E18F91

Accessibility & contrast

On white

5.47

#C23437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#C23437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23437

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23437	#FFFFFF	#000000	##FFFFFF
##C23437	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5636

Deuteranopia (green-blind)

#817432

Tritanopia (blue-blind)

#D50037

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #c23437;
/* rgb */ color: rgb(194, 52, 55);
/* oklch */ color: oklch(54.3% 0.179 24.4);

Tailwind

colors: {
  custom: {
    50: '#dd766e',
    500: '#c23437',
    950: '#000000',
  },
}

SCSS

$custom: #c23437;
$custom-light: #dd766e;
$custom-dark: #000000;

JSON

{
  "hex": "#c23437",
  "rgb": {
    "r": 194,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 358.732,
    "s": 57.724,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54336,
    "c": 0.17877,
    "h": 24.4
  },
  "luminance": 0.14201
}

Semantic roles & 50–950 ramp

primary

#C23437

secondary

#86CCCA

accent

#E1DE47

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170907

muted

#857B7A

Preview Lab

Preview with #C23437

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

Preview Lab → · Contrast checker → · Palette generator →