#C91A1B#C91A1B

#C91A1B is a mid, highly saturated red. Relative luminance 0.132; OKLCH L 53.4% C 0.206 H 27.7°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#C91A1B
RGB	rgb(201, 26, 27)
HSL	hsl(360, 77%, 45%)
HSV	hsv(360, 87%, 79%)
CMYK	cmyk(0%, 87.1%, 86.6%, 21.2%)
CIE-LAB	lab(43.12, 64.05, 46.70)
CIE-LCH	lch(43.12, 79.27, 36.09°)
OKLab	oklab(53.45% 0.1821 0.0958)
OKLCH	oklch(53.45% 0.206 27.7)
XYZ	xyz(24.6578, 13.2396, 2.2939)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C91A1B #1AC9C8

analogous

#C91A73 #C91A1B #C9711A

triadic

#C91A1B #1BC91A #1A1BC9

tetradic

#C91A1B #73C91A #1AC9C8 #711AC9

square

#C91A1B #73C91A #1AC9C8 #711AC9

split-complementary

#C91A1B #1AC971 #1A73C9

monochromatic

#5D0C0C #931314 #C91A1B #E63B3C #ED7172

Accessibility & contrast

On white

5.76

#C91A1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#C91A1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C91A1B

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C91A1B	#FFFFFF	#000000	##FFFFFF
##C91A1B	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E17

Deuteranopia (green-blind)

#81730D

Tritanopia (blue-blind)

#DE001E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #c91a1b;
/* rgb */ color: rgb(201, 26, 27);
/* oklch */ color: oklch(53.4% 0.206 27.7);

Tailwind

colors: {
  custom: {
    50: '#e56d5a',
    500: '#c91a1b',
    950: '#000000',
  },
}

SCSS

$custom: #c91a1b;
$custom-light: #e56d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#c91a1b",
  "rgb": {
    "r": 201,
    "g": 26,
    "b": 27
  },
  "hsl": {
    "h": 359.657,
    "s": 77.093,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53447,
    "c": 0.20577,
    "h": 27.7
  },
  "luminance": 0.13235
}

Semantic roles & 50–950 ramp

primary

#C91A1B

secondary

#6CD3D2

accent

#F4F334

background

#FFF7F5

surface

#FFEDE9

border

#D7C8C5

text

#180804

muted

#867B79

Preview Lab

Preview with #C91A1B

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

Preview Lab → · Contrast checker → · Palette generator →