#C53A2F#C53A2F

#C53A2F is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.3% C 0.178 H 28.7°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#C53A2F
RGB	rgb(197, 58, 47)
HSL	hsl(4, 61%, 48%)
HSV	hsv(4, 76%, 77%)
CMYK	cmyk(0%, 70.6%, 76.1%, 22.7%)
CIE-LAB	lab(45.78, 54.31, 38.48)
CIE-LCH	lch(45.78, 66.56, 35.32°)
OKLab	oklab(55.34% 0.1558 0.0853)
OKLCH	oklch(55.34% 0.178 28.7)
XYZ	xyz(25.0550, 15.1055, 4.2851)
Luminance	0.1510 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53A2F #2FBAC5

analogous

#C52F6F #C53A2F #C5852F

triadic

#C53A2F #2FC53A #3A2FC5

tetradic

#C53A2F #6FC52F #2FBAC5 #852FC5

square

#C53A2F #6FC52F #2FBAC5 #852FC5

split-complementary

#C53A2F #2FC585 #2F6FC5

monochromatic

#621D17 #942B23 #C53A2F #D8635A #E3928B

Accessibility & contrast

On white

5.22

#C53A2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C53A2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53A2F

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53A2F	#FFFFFF	#000000	##FFFFFF
##C53A2F	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#63592C

Deuteranopia (green-blind)

#85782A

Tritanopia (blue-blind)

#D90039

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c53a2f;
/* rgb */ color: rgb(197, 58, 47);
/* oklch */ color: oklch(55.3% 0.178 28.7);

Tailwind

colors: {
  custom: {
    50: '#df7968',
    500: '#c53a2f',
    950: '#000000',
  },
}

SCSS

$custom: #c53a2f;
$custom-light: #df7968;
$custom-dark: #000000;

JSON

{
  "hex": "#c53a2f",
  "rgb": {
    "r": 197,
    "g": 58,
    "b": 47
  },
  "hsl": {
    "h": 4.4,
    "s": 61.475,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55342,
    "c": 0.1776,
    "h": 28.7
  },
  "luminance": 0.15102
}

Semantic roles & 50–950 ramp

primary

#C53A2F

secondary

#82C8CD

accent

#D9E543

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C53A2F

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

Preview Lab → · Contrast checker → · Palette generator →