#C53B33#C53B33

#C53B33 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.5% C 0.176 H 27.7°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#C53B33
RGB	rgb(197, 59, 51)
HSL	hsl(3, 59%, 49%)
HSV	hsv(3, 74%, 77%)
CMYK	cmyk(0%, 70.1%, 74.1%, 22.7%)
CIE-LAB	lab(45.96, 54.09, 36.44)
CIE-LCH	lch(45.96, 65.22, 33.97°)
OKLab	oklab(55.49% 0.1559 0.0818)
OKLCH	oklch(55.49% 0.176 27.7)
XYZ	xyz(25.1903, 15.2410, 4.7467)
Luminance	0.1524 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53B33 #33BDC5

analogous

#C53374 #C53B33 #C58433

triadic

#C53B33 #33C53B #3B33C5

tetradic

#C53B33 #74C533 #33BDC5 #8433C5

square

#C53B33 #74C533 #33BDC5 #8433C5

split-complementary

#C53B33 #33C584 #3374C5

monochromatic

#641E1A #942C26 #C53B33 #D6665F #E29590

Accessibility & contrast

On white

5.19

#C53B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#C53B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53B33

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53B33	#FFFFFF	#000000	##FFFFFF
##C53B33	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A31

Deuteranopia (green-blind)

#85782E

Tritanopia (blue-blind)

#D9063A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53b33;
/* rgb */ color: rgb(197, 59, 51);
/* oklch */ color: oklch(55.5% 0.176 27.7);

Tailwind

colors: {
  custom: {
    50: '#df7a6b',
    500: '#c53b33',
    950: '#000000',
  },
}

SCSS

$custom: #c53b33;
$custom-light: #df7a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#c53b33",
  "rgb": {
    "r": 197,
    "g": 59,
    "b": 51
  },
  "hsl": {
    "h": 3.288,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55494,
    "c": 0.17608,
    "h": 27.7
  },
  "luminance": 0.15237
}

Semantic roles & 50–950 ramp

primary

#C53B33

secondary

#87C9CD

accent

#D9E246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53B33

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

Preview Lab → · Contrast checker → · Palette generator →