#C53B30#C53B30

#C53B30 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.5% C 0.177 H 28.7°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#C53B30
RGB	rgb(197, 59, 48)
HSL	hsl(4, 61%, 48%)
HSV	hsv(4, 76%, 77%)
CMYK	cmyk(0%, 70.1%, 75.6%, 22.7%)
CIE-LAB	lab(45.93, 53.97, 38.09)
CIE-LCH	lch(45.93, 66.06, 35.21°)
OKLab	oklab(55.46% 0.1549 0.0847)
OKLCH	oklch(55.46% 0.177 28.7)
XYZ	xyz(25.1263, 15.2154, 4.4096)
Luminance	0.1521 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C53B30 #30BAC5

analogous

#C5306F #C53B30 #C58630

triadic

#C53B30 #30C53B #3B30C5

tetradic

#C53B30 #6FC530 #30BAC5 #8630C5

square

#C53B30 #6FC530 #30BAC5 #8630C5

split-complementary

#C53B30 #30C586 #306FC5

monochromatic

#631E18 #942C24 #C53B30 #D7645B #E3938C

Accessibility & contrast

On white

5.19

#C53B30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C53B30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C53B30

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C53B30	#FFFFFF	#000000	##FFFFFF
##C53B30	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A2E

Deuteranopia (green-blind)

#85782B

Tritanopia (blue-blind)

#D9043A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c53b30;
/* rgb */ color: rgb(197, 59, 48);
/* oklch */ color: oklch(55.5% 0.177 28.7);

Tailwind

colors: {
  custom: {
    50: '#df7a69',
    500: '#c53b30',
    950: '#000000',
  },
}

SCSS

$custom: #c53b30;
$custom-light: #df7a69;
$custom-dark: #000000;

JSON

{
  "hex": "#c53b30",
  "rgb": {
    "r": 197,
    "g": 59,
    "b": 48
  },
  "hsl": {
    "h": 4.43,
    "s": 60.816,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55457,
    "c": 0.17655,
    "h": 28.7
  },
  "luminance": 0.15212
}

Semantic roles & 50–950 ramp

primary

#C53B30

secondary

#84C8CD

accent

#D8E444

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C53B30

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

Preview Lab → · Contrast checker → · Palette generator →