#C5313B#C5313B

#C5313B is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.6% C 0.184 H 22.4°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#C5313B
RGB	rgb(197, 49, 59)
HSL	hsl(356, 60%, 48%)
HSV	hsv(356, 75%, 77%)
CMYK	cmyk(0%, 75.1%, 70.1%, 22.7%)
CIE-LAB	lab(44.78, 58.01, 30.41)
CIE-LCH	lch(44.78, 65.50, 27.67°)
OKLab	oklab(54.65% 0.17 0.0702)
OKLCH	oklch(54.65% 0.184 22.4)
XYZ	xyz(24.9165, 14.3865, 5.6017)
Luminance	0.1438 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5313B #31C5BB

analogous

#C53185 #C5313B #C57131

triadic

#C5313B #3BC531 #313BC5

tetradic

#C5313B #85C531 #31C5BB #7131C5

square

#C5313B #85C531 #31C5BB #7131C5

split-complementary

#C5313B #31C571 #3185C5

monochromatic

#63191E #94252C #C5313B #D75D65 #E38E93

Accessibility & contrast

On white

5.42

#C5313B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#C5313B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5313B

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5313B	#FFFFFF	#000000	##FFFFFF
##C5313B	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D563A

Deuteranopia (green-blind)

#827536

Tritanopia (blue-blind)

#D90036

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c5313b;
/* rgb */ color: rgb(197, 49, 59);
/* oklch */ color: oklch(54.6% 0.184 22.4);

Tailwind

colors: {
  custom: {
    50: '#df7571',
    500: '#c5313b',
    950: '#000000',
  },
}

SCSS

$custom: #c5313b;
$custom-light: #df7571;
$custom-dark: #000000;

JSON

{
  "hex": "#c5313b",
  "rgb": {
    "r": 197,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 355.946,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54648,
    "c": 0.18395,
    "h": 22.4
  },
  "luminance": 0.14383
}

Semantic roles & 50–950 ramp

primary

#C5313B

secondary

#85CDC8

accent

#E3D944

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C5313B

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

Preview Lab → · Contrast checker → · Palette generator →