#C23C1B#C23C1B

#C23C1B is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.9% C 0.176 H 34.5°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#C23C1B
RGB	rgb(194, 60, 27)
HSL	hsl(12, 76%, 43%)
HSV	hsv(12, 86%, 76%)
CMYK	cmyk(0%, 69.1%, 86.1%, 23.9%)
CIE-LAB	lab(45.34, 51.93, 47.99)
CIE-LCH	lch(45.34, 70.71, 42.74°)
OKLab	oklab(54.86% 0.1451 0.0998)
OKLCH	oklch(54.86% 0.176 34.5)
XYZ	xyz(24.0647, 14.7839, 2.6231)
Luminance	0.1478 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C23C1B #1BA1C2

analogous

#C21B4E #C23C1B #C28F1B

triadic

#C23C1B #1BC23C #3C1BC2

tetradic

#C23C1B #4EC21B #1BA1C2 #8F1BC2

square

#C23C1B #4EC21B #1BA1C2 #8F1BC2

split-complementary

#C23C1B #1BC28F #1B4EC2

monochromatic

#571B0C #8C2B14 #C23C1B #E35937 #EB866D

Accessibility & contrast

On white

5.31

#C23C1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#C23C1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C23C1B

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C23C1B	#FFFFFF	#000000	##FFFFFF
##C23C1B	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645815

Deuteranopia (green-blind)

#857612

Tritanopia (blue-blind)

#D60536

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c23c1b;
/* rgb */ color: rgb(194, 60, 27);
/* oklch */ color: oklch(54.9% 0.176 34.5);

Tailwind

colors: {
  custom: {
    50: '#de795c',
    500: '#c23c1b',
    950: '#000000',
  },
}

SCSS

$custom: #c23c1b;
$custom-light: #de795c;
$custom-dark: #000000;

JSON

{
  "hex": "#c23c1b",
  "rgb": {
    "r": 194,
    "g": 60,
    "b": 27
  },
  "hsl": {
    "h": 11.856,
    "s": 75.566,
    "l": 43.333
  },
  "oklch": {
    "l": 0.54855,
    "c": 0.17608,
    "h": 34.5
  },
  "luminance": 0.1478
}

Semantic roles & 50–950 ramp

primary

#C23C1B

secondary

#68BCD1

accent

#CDF236

background

#FFF7F5

surface

#FEEEE9

border

#D6C9C5

text

#170A04

muted

#857C79

Preview Lab

Preview with #C23C1B

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

Preview Lab → · Contrast checker → · Palette generator →