#C23E1F#C23E1F

#C23E1F is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.1% C 0.174 H 34.3°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C23E1F
RGB	rgb(194, 62, 31)
HSL	hsl(11, 72%, 44%)
HSV	hsv(11, 84%, 76%)
CMYK	cmyk(0%, 68%, 84%, 23.9%)
CIE-LAB	lab(45.66, 51.23, 46.45)
CIE-LCH	lch(45.66, 69.15, 42.20°)
OKLab	oklab(55.11% 0.1435 0.0979)
OKLCH	oklch(55.11% 0.174 34.3)
XYZ	xyz(24.2209, 15.0172, 2.9193)
Luminance	0.1501 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23E1F #1FA3C2

analogous

#C21F52 #C23E1F #C2901F

triadic

#C23E1F #1FC23E #3E1FC2

tetradic

#C23E1F #52C21F #1FA3C2 #901FC2

square

#C23E1F #52C21F #1FA3C2 #901FC2

split-complementary

#C23E1F #1FC290 #1F52C2

monochromatic

#581C0E #8D2D17 #C23E1F #E05D3E #E98973

Accessibility & contrast

On white

5.25

#C23E1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C23E1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23E1F

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23E1F	#FFFFFF	#000000	##FFFFFF
##C23E1F	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655919

Deuteranopia (green-blind)

#867718

Tritanopia (blue-blind)

#D60E38

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c23e1f;
/* rgb */ color: rgb(194, 62, 31);
/* oklch */ color: oklch(55.1% 0.174 34.3);

Tailwind

colors: {
  custom: {
    50: '#de7b5e',
    500: '#c23e1f',
    950: '#000000',
  },
}

SCSS

$custom: #c23e1f;
$custom-light: #de7b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#c23e1f",
  "rgb": {
    "r": 194,
    "g": 62,
    "b": 31
  },
  "hsl": {
    "h": 11.411,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.55105,
    "c": 0.17372,
    "h": 34.3
  },
  "luminance": 0.15014
}

Semantic roles & 50–950 ramp

primary

#C23E1F

secondary

#6DBDCF

accent

#CCEF39

background

#FFF7F5

surface

#FEEEE9

border

#D6C9C5

text

#170A04

muted

#857C79

Preview Lab

Preview with #C23E1F

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

Preview Lab → · Contrast checker → · Palette generator →