#C91A1A#C91A1A

#C91A1A is a mid, highly saturated red. Relative luminance 0.132; OKLCH L 53.4% C 0.206 H 27.9°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#C91A1A
RGB	rgb(201, 26, 26)
HSL	hsl(0, 77%, 45%)
HSV	hsv(0, 87%, 79%)
CMYK	cmyk(0%, 87.1%, 87.1%, 21.2%)
CIE-LAB	lab(43.12, 64.03, 47.17)
CIE-LCH	lch(43.12, 79.53, 36.38°)
OKLab	oklab(53.44% 0.1819 0.0964)
OKLCH	oklch(53.44% 0.206 27.9)
XYZ	xyz(24.6464, 13.2351, 2.2340)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C91A1A #1AC9C9

analogous

#C91A72 #C91A1A #C9721A

triadic

#C91A1A #1AC91A #1A1AC9

tetradic

#C91A1A #72C91A #1AC9C9 #721AC9

square

#C91A1A #72C91A #1AC9C9 #721AC9

split-complementary

#C91A1A #1AC972 #1A72C9

monochromatic

#5D0C0C #931313 #C91A1A #E63B3B #ED7171

Accessibility & contrast

On white

5.76

#C91A1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#C91A1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C91A1A

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C91A1A	#FFFFFF	#000000	##FFFFFF
##C91A1A	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)

#584E16

Deuteranopia (green-blind)

#81730C

Tritanopia (blue-blind)

#DE001E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #c91a1a;
/* rgb */ color: rgb(201, 26, 26);
/* oklch */ color: oklch(53.4% 0.206 27.9);

Tailwind

colors: {
  custom: {
    50: '#e56d59',
    500: '#c91a1a',
    950: '#000000',
  },
}

SCSS

$custom: #c91a1a;
$custom-light: #e56d59;
$custom-dark: #000000;

JSON

{
  "hex": "#c91a1a",
  "rgb": {
    "r": 201,
    "g": 26,
    "b": 26
  },
  "hsl": {
    "h": 0,
    "s": 77.093,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5344,
    "c": 0.20585,
    "h": 27.9
  },
  "luminance": 0.13231
}

Semantic roles & 50–950 ramp

primary

#C91A1A

secondary

#6CD3D3

accent

#F4F434

background

#FFF7F5

surface

#FFEDE9

border

#D7C8C5

text

#180804

muted

#867B79

Preview Lab

Preview with #C91A1A

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

Preview Lab → · Contrast checker → · Palette generator →