#C53A3A#C53A3A

#C53A3A is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.5% C 0.176 H 25.0°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#C53A3A
RGB	rgb(197, 58, 58)
HSL	hsl(0, 55%, 50%)
HSV	hsv(0, 71%, 77%)
CMYK	cmyk(0%, 70.6%, 70.6%, 22.7%)
CIE-LAB	lab(45.91, 54.79, 32.35)
CIE-LCH	lch(45.91, 63.62, 30.56°)
OKLab	oklab(55.49% 0.1596 0.0743)
OKLCH	oklch(55.49% 0.176 25)
XYZ	xyz(25.3055, 15.2057, 5.6047)
Luminance	0.1520 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53A3A #3AC5C5

analogous

#C53A80 #C53A3A #C5803A

triadic

#C53A3A #3AC53A #3A3AC5

tetradic

#C53A3A #80C53A #3AC5C5 #7F3AC5

square

#C53A3A #80C53A #3AC5C5 #7F3AC5

split-complementary

#C53A3A #3AC580 #3A7FC5

monochromatic

#661E1E #962C2C #C53A3A #D36969 #E19999

Accessibility & contrast

On white

5.20

#C53A3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C53A3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53A3A

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53A3A	#FFFFFF	#000000	##FFFFFF
##C53A3A	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A39

Deuteranopia (green-blind)

#847835

Tritanopia (blue-blind)

#D8063C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53a3a;
/* rgb */ color: rgb(197, 58, 58);
/* oklch */ color: oklch(55.5% 0.176 25.0);

Tailwind

colors: {
  custom: {
    50: '#df7970',
    500: '#c53a3a',
    950: '#000000',
  },
}

SCSS

$custom: #c53a3a;
$custom-light: #df7970;
$custom-dark: #000000;

JSON

{
  "hex": "#c53a3a",
  "rgb": {
    "r": 197,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 0,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.55487,
    "c": 0.17604,
    "h": 25
  },
  "luminance": 0.15202
}

Semantic roles & 50–950 ramp

primary

#C53A3A

secondary

#8ECDCD

accent

#DEDE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53A3A

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

Preview Lab → · Contrast checker → · Palette generator →