#C03531#C03531

#C03531 is a mid, vivid red. Relative luminance 0.140; OKLCH L 54.0% C 0.177 H 26.7°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#C03531
RGB	rgb(192, 53, 49)
HSL	hsl(2, 59%, 47%)
HSV	hsv(2, 74%, 75%)
CMYK	cmyk(0%, 72.4%, 74.5%, 24.7%)
CIE-LAB	lab(44.20, 54.63, 35.36)
CIE-LCH	lch(44.20, 65.08, 32.91°)
OKLab	oklab(54% 0.1578 0.0793)
OKLCH	oklch(54% 0.177 26.7)
XYZ	xyz(23.5684, 13.9780, 4.3622)
Luminance	0.1397 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03531 #31BCC0

analogous

#C03175 #C03531 #C07C31

triadic

#C03531 #31C035 #3531C0

tetradic

#C03531 #75C031 #31BCC0 #7C31C0

square

#C03531 #75C031 #31BCC0 #7C31C0

split-complementary

#C03531 #31C07C #3175C0

monochromatic

#5E1A18 #8F2825 #C03531 #D55D59 #E18D8A

Accessibility & contrast

On white

5.53

#C03531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#C03531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03531

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03531	#FFFFFF	#000000	##FFFFFF
##C03531	1.00	5.53	3.79	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552F

Deuteranopia (green-blind)

#80732C

Tritanopia (blue-blind)

#D30036

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #c03531;
/* rgb */ color: rgb(192, 53, 49);
/* oklch */ color: oklch(54.0% 0.177 26.7);

Tailwind

colors: {
  custom: {
    50: '#dc7669',
    500: '#c03531',
    950: '#000000',
  },
}

SCSS

$custom: #c03531;
$custom-light: #dc7669;
$custom-dark: #000000;

JSON

{
  "hex": "#c03531",
  "rgb": {
    "r": 192,
    "g": 53,
    "b": 49
  },
  "hsl": {
    "h": 1.678,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54002,
    "c": 0.17662,
    "h": 26.7
  },
  "luminance": 0.13974
}

Semantic roles & 50–950 ramp

primary

#C03531

secondary

#82C9CB

accent

#DEE345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C03531

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

Preview Lab → · Contrast checker → · Palette generator →