#C53A2C#C53A2C

#C53A2C is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.3% C 0.178 H 29.6°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#C53A2C
RGB	rgb(197, 58, 44)
HSL	hsl(5, 63%, 47%)
HSV	hsv(5, 78%, 77%)
CMYK	cmyk(0%, 70.6%, 77.7%, 22.7%)
CIE-LAB	lab(45.75, 54.20, 40.10)
CIE-LCH	lch(45.75, 67.42, 36.50°)
OKLab	oklab(55.31% 0.1548 0.088)
OKLCH	oklch(55.31% 0.178 29.6)
XYZ	xyz(24.9965, 15.0821, 3.9773)
Luminance	0.1508 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53A2C #2CB7C5

analogous

#C52C6B #C53A2C #C5862C

triadic

#C53A2C #2CC53A #3A2CC5

tetradic

#C53A2C #6BC52C #2CB7C5 #862CC5

square

#C53A2C #6BC52C #2CB7C5 #862CC5

split-complementary

#C53A2C #2CC586 #2C6BC5

monochromatic

#611D16 #932B21 #C53A2C #D96155 #E49087

Accessibility & contrast

On white

5.23

#C53A2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C53A2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53A2C

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53A2C	#FFFFFF	#000000	##FFFFFF
##C53A2C	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635929

Deuteranopia (green-blind)

#857726

Tritanopia (blue-blind)

#D90038

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c53a2c;
/* rgb */ color: rgb(197, 58, 44);
/* oklch */ color: oklch(55.3% 0.178 29.6);

Tailwind

colors: {
  custom: {
    50: '#e07966',
    500: '#c53a2c',
    950: '#000000',
  },
}

SCSS

$custom: #c53a2c;
$custom-light: #e07966;
$custom-dark: #000000;

JSON

{
  "hex": "#c53a2c",
  "rgb": {
    "r": 197,
    "g": 58,
    "b": 44
  },
  "hsl": {
    "h": 5.49,
    "s": 63.485,
    "l": 47.255
  },
  "oklch": {
    "l": 0.55308,
    "c": 0.17807,
    "h": 29.6
  },
  "luminance": 0.15078
}

Semantic roles & 50–950 ramp

primary

#C53A2C

secondary

#7FC7CE

accent

#D7E741

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C53A2C

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

Preview Lab → · Contrast checker → · Palette generator →