#C23C1F#C23C1F

#C23C1F is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.9% C 0.175 H 33.7°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#C23C1F
RGB	rgb(194, 60, 31)
HSL	hsl(11, 72%, 44%)
HSV	hsv(11, 84%, 76%)
CMYK	cmyk(0%, 69.1%, 84%, 23.9%)
CIE-LAB	lab(45.36, 52.03, 46.18)
CIE-LCH	lch(45.36, 69.57, 41.59°)
OKLab	oklab(54.89% 0.146 0.0973)
OKLCH	oklch(54.89% 0.175 33.7)
XYZ	xyz(24.1142, 14.8037, 2.8837)
Luminance	0.1480 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23C1F #1FA5C2

analogous

#C21F54 #C23C1F #C28E1F

triadic

#C23C1F #1FC23C #3C1FC2

tetradic

#C23C1F #54C21F #1FA5C2 #8E1FC2

square

#C23C1F #54C21F #1FA5C2 #8E1FC2

split-complementary

#C23C1F #1FC28E #1F54C2

monochromatic

#581B0E #8D2C17 #C23C1F #E05B3E #E98873

Accessibility & contrast

On white

5.30

#C23C1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C23C1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23C1F

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23C1F	#FFFFFF	#000000	##FFFFFF
##C23C1F	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#64581A

Deuteranopia (green-blind)

#857617

Tritanopia (blue-blind)

#D60637

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c23c1f;
/* rgb */ color: rgb(194, 60, 31);
/* oklch */ color: oklch(54.9% 0.175 33.7);

Tailwind

colors: {
  custom: {
    50: '#de795e',
    500: '#c23c1f',
    950: '#000000',
  },
}

SCSS

$custom: #c23c1f;
$custom-light: #de795e;
$custom-dark: #000000;

JSON

{
  "hex": "#c23c1f",
  "rgb": {
    "r": 194,
    "g": 60,
    "b": 31
  },
  "hsl": {
    "h": 10.675,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.54885,
    "c": 0.17544,
    "h": 33.7
  },
  "luminance": 0.148
}

Semantic roles & 50–950 ramp

primary

#C23C1F

secondary

#6DBECF

accent

#CFEF39

background

#FFF7F5

surface

#FEEEE9

border

#D6C9C5

text

#170A04

muted

#857C79

Preview Lab

Preview with #C23C1F

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

Preview Lab → · Contrast checker → · Palette generator →