#C53D33#C53D33

#C53D33 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.7% C 0.174 H 28.3°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#C53D33
RGB	rgb(197, 61, 51)
HSL	hsl(4, 59%, 49%)
HSV	hsv(4, 74%, 77%)
CMYK	cmyk(0%, 69%, 74.1%, 22.7%)
CIE-LAB	lab(46.25, 53.32, 36.76)
CIE-LCH	lch(46.25, 64.76, 34.58°)
OKLab	oklab(55.71% 0.1535 0.0825)
OKLCH	oklch(55.71% 0.174 28.3)
XYZ	xyz(25.2951, 15.4506, 4.7817)
Luminance	0.1545 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53D33 #33BBC5

analogous

#C53372 #C53D33 #C58633

triadic

#C53D33 #33C53D #3D33C5

tetradic

#C53D33 #72C533 #33BBC5 #8633C5

square

#C53D33 #72C533 #33BBC5 #8633C5

split-complementary

#C53D33 #33C586 #3372C5

monochromatic

#641F1A #942E26 #C53D33 #D6685F #E29690

Accessibility & contrast

On white

5.14

#C53D33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#C53D33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53D33

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53D33	#FFFFFF	#000000	##FFFFFF
##C53D33	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B31

Deuteranopia (green-blind)

#86782E

Tritanopia (blue-blind)

#D90E3C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c53d33;
/* rgb */ color: rgb(197, 61, 51);
/* oklch */ color: oklch(55.7% 0.174 28.3);

Tailwind

colors: {
  custom: {
    50: '#df7b6b',
    500: '#c53d33',
    950: '#000000',
  },
}

SCSS

$custom: #c53d33;
$custom-light: #df7b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#c53d33",
  "rgb": {
    "r": 197,
    "g": 61,
    "b": 51
  },
  "hsl": {
    "h": 4.11,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55706,
    "c": 0.17426,
    "h": 28.3
  },
  "luminance": 0.15447
}

Semantic roles & 50–950 ramp

primary

#C53D33

secondary

#87C8CD

accent

#D7E246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C53D33

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

Preview Lab → · Contrast checker → · Palette generator →