#C91C18#C91C18

#C91C18 is a mid, highly saturated red. Relative luminance 0.133; OKLCH L 53.5% C 0.205 H 28.5°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#C91C18
RGB	rgb(201, 28, 24)
HSL	hsl(1, 79%, 44%)
HSV	hsv(1, 88%, 79%)
CMYK	cmyk(0%, 86.1%, 88.1%, 21.2%)
CIE-LAB	lab(43.24, 63.61, 48.20)
CIE-LCH	lch(43.24, 79.81, 37.15°)
OKLab	oklab(53.53% 0.1802 0.0978)
OKLCH	oklch(53.53% 0.205 28.5)
XYZ	xyz(24.6707, 13.3181, 2.1357)
Luminance	0.1331 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C91C18 #18C5C9

analogous

#C9186D #C91C18 #C97518

triadic

#C91C18 #18C91C #1C18C9

tetradic

#C91C18 #6DC918 #18C5C9 #7518C9

square

#C91C18 #6DC918 #18C5C9 #7518C9

split-complementary

#C91C18 #18C975 #186DC9

monochromatic

#5C0D0B #921411 #C91C18 #E73B37 #EE716E

Accessibility & contrast

On white

5.73

#C91C18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#C91C18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C91C18

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C91C18	#FFFFFF	#000000	##FFFFFF
##C91C18	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E14

Deuteranopia (green-blind)

#827308

Tritanopia (blue-blind)

#DE001F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #c91c18;
/* rgb */ color: rgb(201, 28, 24);
/* oklch */ color: oklch(53.5% 0.205 28.5);

Tailwind

colors: {
  custom: {
    50: '#e56e58',
    500: '#c91c18',
    950: '#000000',
  },
}

SCSS

$custom: #c91c18;
$custom-light: #e56e58;
$custom-dark: #000000;

JSON

{
  "hex": "#c91c18",
  "rgb": {
    "r": 201,
    "g": 28,
    "b": 24
  },
  "hsl": {
    "h": 1.356,
    "s": 78.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.53528,
    "c": 0.20508,
    "h": 28.5
  },
  "luminance": 0.13314
}

Semantic roles & 50–950 ramp

primary

#C91C18

secondary

#69D1D4

accent

#F1F533

background

#FFF7F5

surface

#FFEDE9

border

#D7C8C5

text

#180803

muted

#867B78

Preview Lab

Preview with #C91C18

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

Preview Lab → · Contrast checker → · Palette generator →