#C9311D#C9311D

#C9311D is a mid, vivid red. Relative luminance 0.147; OKLCH L 55.0% C 0.191 H 31.0°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C9311D
RGB	rgb(201, 49, 29)
HSL	hsl(7, 75%, 45%)
HSV	hsv(7, 86%, 79%)
CMYK	cmyk(0%, 75.6%, 85.6%, 21.2%)
CIE-LAB	lab(45.23, 58.18, 47.52)
CIE-LCH	lch(45.23, 75.12, 39.24°)
OKLab	oklab(55.02% 0.1641 0.0986)
OKLCH	oklch(55.02% 0.191 31)
XYZ	xyz(25.4106, 14.7069, 2.6629)
Luminance	0.1470 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9311D #1DB5C9

analogous

#C91D5F #C9311D #C9871D

triadic

#C9311D #1DC931 #311DC9

tetradic

#C9311D #5FC91D #1DB5C9 #871DC9

square

#C9311D #5FC91D #1DB5C9 #871DC9

split-complementary

#C9311D #1DC987 #1D5FC9

monochromatic

#5E170E #942415 #C9311D #E35340 #EB8375

Accessibility & contrast

On white

5.33

#C9311D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C9311D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C9311D

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9311D	#FFFFFF	#000000	##FFFFFF
##C9311D	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615618

Deuteranopia (green-blind)

#867713

Tritanopia (blue-blind)

#DE002E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c9311d;
/* rgb */ color: rgb(201, 49, 29);
/* oklch */ color: oklch(55.0% 0.191 31.0);

Tailwind

colors: {
  custom: {
    50: '#e4755c',
    500: '#c9311d',
    950: '#000000',
  },
}

SCSS

$custom: #c9311d;
$custom-light: #e4755c;
$custom-dark: #000000;

JSON

{
  "hex": "#c9311d",
  "rgb": {
    "r": 201,
    "g": 49,
    "b": 29
  },
  "hsl": {
    "h": 6.977,
    "s": 74.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.55018,
    "c": 0.19146,
    "h": 31
  },
  "luminance": 0.14703
}

Semantic roles & 50–950 ramp

primary

#C9311D

secondary

#70C7D2

accent

#DCF136

background

#FFF7F5

surface

#FFEEE9

border

#D7C9C5

text

#180904

muted

#867B79

Preview Lab

Preview with #C9311D

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

Preview Lab → · Contrast checker → · Palette generator →