#C53A3F#C53A3F

#C53A3F is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.175 H 23.1°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#C53A3F
RGB	rgb(197, 58, 63)
HSL	hsl(358, 55%, 50%)
HSV	hsv(358, 71%, 77%)
CMYK	cmyk(0%, 70.6%, 68%, 22.7%)
CIE-LAB	lab(45.99, 55.04, 29.49)
CIE-LCH	lch(45.99, 62.44, 28.18°)
OKLab	oklab(55.57% 0.1614 0.0688)
OKLCH	oklch(55.57% 0.175 23.1)
XYZ	xyz(25.4390, 15.2591, 6.3074)
Luminance	0.1525 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53A3F #3AC5C0

analogous

#C53A84 #C53A3F #C57B3A

triadic

#C53A3F #3FC53A #3A3FC5

tetradic

#C53A3F #84C53A #3AC5C0 #7B3AC5

square

#C53A3F #84C53A #3AC5C0 #7B3AC5

split-complementary

#C53A3F #3AC57B #3A84C5

monochromatic

#661E21 #962C30 #C53A3F #D3696D #E1999B

Accessibility & contrast

On white

5.18

#C53A3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#C53A3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53A3F

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53A3F	#FFFFFF	#000000	##FFFFFF
##C53A3F	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A3E

Deuteranopia (green-blind)

#84783B

Tritanopia (blue-blind)

#D80A3D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53a3f;
/* rgb */ color: rgb(197, 58, 63);
/* oklch */ color: oklch(55.6% 0.175 23.1);

Tailwind

colors: {
  custom: {
    50: '#de7974',
    500: '#c53a3f',
    950: '#000000',
  },
}

SCSS

$custom: #c53a3f;
$custom-light: #de7974;
$custom-dark: #000000;

JSON

{
  "hex": "#c53a3f",
  "rgb": {
    "r": 197,
    "g": 58,
    "b": 63
  },
  "hsl": {
    "h": 357.842,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.55565,
    "c": 0.17547,
    "h": 23.1
  },
  "luminance": 0.15255
}

Semantic roles & 50–950 ramp

primary

#C53A3F

secondary

#8ECDCA

accent

#DED94A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C53A3F

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

Preview Lab → · Contrast checker → · Palette generator →