#C23F31#C23F31

#C23F31 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.4% C 0.170 H 29.6°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#C23F31
RGB	rgb(194, 63, 49)
HSL	hsl(6, 60%, 48%)
HSV	hsv(6, 75%, 76%)
CMYK	cmyk(0%, 67.5%, 74.7%, 23.9%)
CIE-LAB	lab(45.97, 51.44, 37.43)
CIE-LCH	lch(45.97, 63.61, 36.04°)
OKLab	oklab(55.4% 0.1475 0.0837)
OKLCH	oklch(55.4% 0.17 29.6)
XYZ	xyz(24.5828, 15.2497, 4.5542)
Luminance	0.1525 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23F31 #31B4C2

analogous

#C2316C #C23F31 #C28731

triadic

#C23F31 #31C23F #3F31C2

tetradic

#C23F31 #6CC231 #31B4C2 #8731C2

square

#C23F31 #6CC231 #31B4C2 #8731C2

split-complementary

#C23F31 #31C287 #316CC2

monochromatic

#601F18 #912F25 #C23F31 #D6675B #E2948C

Accessibility & contrast

On white

5.19

#C23F31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#C23F31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23F31

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23F31	#FFFFFF	#000000	##FFFFFF
##C23F31	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B2E

Deuteranopia (green-blind)

#85772C

Tritanopia (blue-blind)

#D5173D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c23f31;
/* rgb */ color: rgb(194, 63, 49);
/* oklch */ color: oklch(55.4% 0.170 29.6);

Tailwind

colors: {
  custom: {
    50: '#dd7b6a',
    500: '#c23f31',
    950: '#000000',
  },
}

SCSS

$custom: #c23f31;
$custom-light: #dd7b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#c23f31",
  "rgb": {
    "r": 194,
    "g": 63,
    "b": 49
  },
  "hsl": {
    "h": 5.793,
    "s": 59.671,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55395,
    "c": 0.16961,
    "h": 29.6
  },
  "luminance": 0.15246
}

Semantic roles & 50–950 ramp

primary

#C23F31

secondary

#83C5CC

accent

#D4E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C23F31

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

Preview Lab → · Contrast checker → · Palette generator →