#C91F18#C91F18

#C91F18 is a mid, highly saturated red. Relative luminance 0.135; OKLCH L 53.7% C 0.204 H 28.9°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#C91F18
RGB	rgb(201, 31, 24)
HSL	hsl(2, 79%, 44%)
HSV	hsv(2, 88%, 79%)
CMYK	cmyk(0%, 84.6%, 88.1%, 21.2%)
CIE-LAB	lab(43.46, 62.98, 48.37)
CIE-LCH	lch(43.46, 79.41, 37.53°)
OKLab	oklab(53.69% 0.1783 0.0983)
OKLCH	oklch(53.69% 0.204 28.9)
XYZ	xyz(24.7455, 13.4676, 2.1606)
Luminance	0.1346 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C91F18 #18C2C9

analogous

#C9186A #C91F18 #C97818

triadic

#C91F18 #18C91F #1F18C9

tetradic

#C91F18 #6AC918 #18C2C9 #7818C9

square

#C91F18 #6AC918 #18C2C9 #7818C9

split-complementary

#C91F18 #18C978 #186AC9

monochromatic

#5C0E0B #921711 #C91F18 #E73E37 #EE736E

Accessibility & contrast

On white

5.69

#C91F18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#C91F18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C91F18

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C91F18	#FFFFFF	#000000	##FFFFFF
##C91F18	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F13

Deuteranopia (green-blind)

#827408

Tritanopia (blue-blind)

#DE0021

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c91f18;
/* rgb */ color: rgb(201, 31, 24);
/* oklch */ color: oklch(53.7% 0.204 28.9);

Tailwind

colors: {
  custom: {
    50: '#e56f58',
    500: '#c91f18',
    950: '#000000',
  },
}

SCSS

$custom: #c91f18;
$custom-light: #e56f58;
$custom-dark: #000000;

JSON

{
  "hex": "#c91f18",
  "rgb": {
    "r": 201,
    "g": 31,
    "b": 24
  },
  "hsl": {
    "h": 2.373,
    "s": 78.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.53691,
    "c": 0.20356,
    "h": 28.9
  },
  "luminance": 0.13463
}

Semantic roles & 50–950 ramp

primary

#C91F18

secondary

#69CFD4

accent

#EDF533

background

#FFF7F5

surface

#FFEDE9

border

#D7C8C5

text

#180803

muted

#867B78

Preview Lab

Preview with #C91F18

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

Preview Lab → · Contrast checker → · Palette generator →