#C23F1F#C23F1F

#C23F1F is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.2% C 0.173 H 34.6°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C23F1F
RGB	rgb(194, 63, 31)
HSL	hsl(12, 72%, 44%)
HSV	hsv(12, 84%, 76%)
CMYK	cmyk(0%, 67.5%, 84%, 23.9%)
CIE-LAB	lab(45.81, 50.82, 46.58)
CIE-LCH	lch(45.81, 68.94, 42.51°)
OKLab	oklab(55.22% 0.1423 0.0982)
OKLCH	oklch(55.22% 0.173 34.6)
XYZ	xyz(24.2758, 15.1269, 2.9376)
Luminance	0.1512 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23F1F #1FA2C2

analogous

#C21F51 #C23F1F #C2911F

triadic

#C23F1F #1FC23F #3F1FC2

tetradic

#C23F1F #51C21F #1FA2C2 #911FC2

square

#C23F1F #51C21F #1FA2C2 #911FC2

split-complementary

#C23F1F #1FC291 #1F51C2

monochromatic

#581D0E #8D2E17 #C23F1F #E05E3E #E98A73

Accessibility & contrast

On white

5.22

#C23F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C23F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23F1F

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23F1F	#FFFFFF	#000000	##FFFFFF
##C23F1F	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665A19

Deuteranopia (green-blind)

#867718

Tritanopia (blue-blind)

#D61239

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c23f1f;
/* rgb */ color: rgb(194, 63, 31);
/* oklch */ color: oklch(55.2% 0.173 34.6);

Tailwind

colors: {
  custom: {
    50: '#de7b5e',
    500: '#c23f1f',
    950: '#000000',
  },
}

SCSS

$custom: #c23f1f;
$custom-light: #de7b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#c23f1f",
  "rgb": {
    "r": 194,
    "g": 63,
    "b": 31
  },
  "hsl": {
    "h": 11.779,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.55217,
    "c": 0.17286,
    "h": 34.6
  },
  "luminance": 0.15123
}

Semantic roles & 50–950 ramp

primary

#C23F1F

secondary

#6DBCCF

accent

#CBEF39

background

#FFF7F5

surface

#FEEEE9

border

#D6C9C5

text

#170A04

muted

#857C79

Preview Lab

Preview with #C23F1F

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

Preview Lab → · Contrast checker → · Palette generator →