#C13B30#C13B30

#C13B30 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.8% C 0.172 H 28.7°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#C13B30
RGB	rgb(193, 59, 48)
HSL	hsl(5, 60%, 47%)
HSV	hsv(5, 75%, 76%)
CMYK	cmyk(0%, 69.4%, 75.1%, 24.3%)
CIE-LAB	lab(45.20, 52.66, 37.08)
CIE-LCH	lch(45.20, 64.40, 35.15°)
OKLab	oklab(54.78% 0.1513 0.0828)
OKLCH	oklch(54.78% 0.172 28.7)
XYZ	xyz(24.0925, 14.6824, 4.3611)
Luminance	0.1468 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C13B30 #30B6C1

analogous

#C1306D #C13B30 #C18430

triadic

#C13B30 #30C13B #3B30C1

tetradic

#C13B30 #6DC130 #30B6C1 #8430C1

square

#C13B30 #6DC130 #30B6C1 #8430C1

split-complementary

#C13B30 #30C184 #306DC1

monochromatic

#5F1D18 #902C24 #C13B30 #D66259 #E2908A

Accessibility & contrast

On white

5.34

#C13B30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C13B30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C13B30

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C13B30	#FFFFFF	#000000	##FFFFFF
##C13B30	1.00	5.34	3.94	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62582E

Deuteranopia (green-blind)

#83762B

Tritanopia (blue-blind)

#D40B3A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c13b30;
/* rgb */ color: rgb(193, 59, 48);
/* oklch */ color: oklch(54.8% 0.172 28.7);

Tailwind

colors: {
  custom: {
    50: '#dc7969',
    500: '#c13b30',
    950: '#000000',
  },
}

SCSS

$custom: #c13b30;
$custom-light: #dc7969;
$custom-dark: #000000;

JSON

{
  "hex": "#c13b30",
  "rgb": {
    "r": 193,
    "g": 59,
    "b": 48
  },
  "hsl": {
    "h": 4.552,
    "s": 60.166,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54775,
    "c": 0.17243,
    "h": 28.7
  },
  "luminance": 0.14679
}

Semantic roles & 50–950 ramp

primary

#C13B30

secondary

#81C6CC

accent

#D7E344

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C13B30

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

Preview Lab → · Contrast checker → · Palette generator →