#C5373B#C5373B

#C5373B is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.2% C 0.179 H 23.8°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#C5373B
RGB	rgb(197, 55, 59)
HSL	hsl(358, 56%, 49%)
HSV	hsv(358, 72%, 77%)
CMYK	cmyk(0%, 72.1%, 70.1%, 22.7%)
CIE-LAB	lab(45.53, 55.94, 31.30)
CIE-LCH	lch(45.53, 64.10, 29.23°)
OKLab	oklab(55.2% 0.1634 0.0722)
OKLCH	oklch(55.2% 0.179 23.8)
XYZ	xyz(25.1843, 14.9222, 5.6910)
Luminance	0.1492 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5373B #37C5C1

analogous

#C53782 #C5373B #C57A37

triadic

#C5373B #3BC537 #373BC5

tetradic

#C5373B #82C537 #37C5C1 #7A37C5

square

#C5373B #82C537 #37C5C1 #7A37C5

split-complementary

#C5373B #37C57A #3782C5

monochromatic

#651C1E #952A2D #C5373B #D46568 #E19597

Accessibility & contrast

On white

5.27

#C5373B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C5373B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C5373B

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5373B	#FFFFFF	#000000	##FFFFFF
##C5373B	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60583A

Deuteranopia (green-blind)

#837736

Tritanopia (blue-blind)

#D8003A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c5373b;
/* rgb */ color: rgb(197, 55, 59);
/* oklch */ color: oklch(55.2% 0.179 23.8);

Tailwind

colors: {
  custom: {
    50: '#df7871',
    500: '#c5373b',
    950: '#000000',
  },
}

SCSS

$custom: #c5373b;
$custom-light: #df7871;
$custom-dark: #000000;

JSON

{
  "hex": "#c5373b",
  "rgb": {
    "r": 197,
    "g": 55,
    "b": 59
  },
  "hsl": {
    "h": 358.31,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55203,
    "c": 0.17868,
    "h": 23.8
  },
  "luminance": 0.14918
}

Semantic roles & 50–950 ramp

primary

#C5373B

secondary

#8BCDCB

accent

#E0DB48

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C5373B

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

Preview Lab → · Contrast checker → · Palette generator →