#C91A18#C91A18

#C91A18 is a mid, highly saturated red. Relative luminance 0.132; OKLCH L 53.4% C 0.206 H 28.3°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX#C91A18
RGBrgb(201, 26, 24)
HSLhsl(1, 79%, 44%)
HSVhsv(1, 88%, 79%)
CMYKcmyk(0%, 87.1%, 88.1%, 21.2%)
CIE-LABlab(43.10, 64.00, 48.09)
CIE-LCHlch(43.10, 80.05, 36.92°)
OKLaboklab(53.43% 0.1815 0.0976)
OKLCHoklch(53.43% 0.206 28.3)
XYZxyz(24.6249, 13.2264, 2.1204)
Luminance0.1322 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C91A18 #18C7C9
analogous
#C9186F #C91A18 #C97318
triadic
#C91A18 #18C91A #1A18C9
tetradic
#C91A18 #6FC918 #18C7C9 #7318C9
square
#C91A18 #6FC918 #18C7C9 #7318C9
split-complementary
#C91A18 #18C973 #186FC9
monochromatic
#5C0C0B #921311 #C91A18 #E73937 #EE6F6E

Accessibility & contrast

On white

5.76
#C91A18 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.64
#C91A18 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C91A18
5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C91A18#FFFFFF#000000##FFFFFF
##C91A181.005.763.645.76
#FFFFFF5.761.0021.001.00
#0000003.6421.001.0021.00
##FFFFFF5.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584E14
Deuteranopia (green-blind)
#817308
Tritanopia (blue-blind)
#DE001E
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #c91a18;
/* rgb */ color: rgb(201, 26, 24);
/* oklch */ color: oklch(53.4% 0.206 28.3);
Tailwind
colors: {
  custom: {
    50: '#e56d58',
    500: '#c91a18',
    950: '#000000',
  },
}
SCSS
$custom: #c91a18;
$custom-light: #e56d58;
$custom-dark: #000000;
JSON
{
  "hex": "#c91a18",
  "rgb": {
    "r": 201,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 0.678,
    "s": 78.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.53427,
    "c": 0.20603,
    "h": 28.3
  },
  "luminance": 0.13222
}

Semantic roles & 50–950 ramp

primary
#C91A18
secondary
#69D2D4
accent
#F3F533
background
#FFF7F5
surface
#FFEDE9
border
#D7C8C5
text
#180803
muted
#867B78

Preview Lab

Preview with #C91A18

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

Preview Lab → · Contrast checker → · Palette generator →

#C91A18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva