#C53A37#C53A37

#C53A37 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.4% C 0.176 H 26.1°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#C53A37
RGB	rgb(197, 58, 55)
HSL	hsl(1, 56%, 49%)
HSV	hsv(1, 72%, 77%)
CMYK	cmyk(0%, 70.6%, 72.1%, 22.7%)
CIE-LAB	lab(45.87, 54.64, 34.05)
CIE-LCH	lch(45.87, 64.39, 31.93°)
OKLab	oklab(55.44% 0.1585 0.0775)
OKLCH	oklch(55.44% 0.176 26.1)
XYZ	xyz(25.2314, 15.1760, 5.2144)
Luminance	0.1517 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53A37 #37C2C5

analogous

#C5377B #C53A37 #C58137

triadic

#C53A37 #37C53A #3A37C5

tetradic

#C53A37 #7BC537 #37C2C5 #8137C5

square

#C53A37 #7BC537 #37C2C5 #8137C5

split-complementary

#C53A37 #37C581 #377BC5

monochromatic

#651E1C #952C2A #C53A37 #D46765 #E19795

Accessibility & contrast

On white

5.21

#C53A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#C53A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53A37

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53A37	#FFFFFF	#000000	##FFFFFF
##C53A37	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625935

Deuteranopia (green-blind)

#857832

Tritanopia (blue-blind)

#D9043B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53a37;
/* rgb */ color: rgb(197, 58, 55);
/* oklch */ color: oklch(55.4% 0.176 26.1);

Tailwind

colors: {
  custom: {
    50: '#df796e',
    500: '#c53a37',
    950: '#000000',
  },
}

SCSS

$custom: #c53a37;
$custom-light: #df796e;
$custom-dark: #000000;

JSON

{
  "hex": "#c53a37",
  "rgb": {
    "r": 197,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 1.268,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55444,
    "c": 0.17642,
    "h": 26.1
  },
  "luminance": 0.15172
}

Semantic roles & 50–950 ramp

primary

#C53A37

secondary

#8BCBCD

accent

#DCE048

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53A37

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

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