#C03F39#C03F39

#C03F39 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.2% C 0.166 H 26.7°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#C03F39
RGB	rgb(192, 63, 57)
HSL	hsl(3, 54%, 49%)
HSV	hsv(3, 70%, 75%)
CMYK	cmyk(0%, 67.2%, 70.3%, 24.7%)
CIE-LAB	lab(45.72, 51.13, 32.48)
CIE-LCH	lch(45.72, 60.57, 32.42°)
OKLab	oklab(55.17% 0.1484 0.0747)
OKLCH	oklch(55.17% 0.166 26.7)
XYZ	xyz(24.2569, 15.0604, 5.4998)
Luminance	0.1506 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03F39 #39BAC0

analogous

#C03977 #C03F39 #C08339

triadic

#C03F39 #39C03F #3F39C0

tetradic

#C03F39 #77C039 #39BAC0 #8339C0

square

#C03F39 #77C039 #39BAC0 #8339C0

split-complementary

#C03F39 #39C083 #3977C0

monochromatic

#62201D #91302B #C03F39 #D16A65 #DF9794

Accessibility & contrast

On white

5.24

#C03F39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C03F39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03F39

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03F39	#FFFFFF	#000000	##FFFFFF
##C03F39	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B37

Deuteranopia (green-blind)

#837735

Tritanopia (blue-blind)

#D31B3F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c03f39;
/* rgb */ color: rgb(192, 63, 57);
/* oklch */ color: oklch(55.2% 0.166 26.7);

Tailwind

colors: {
  custom: {
    50: '#db7b70',
    500: '#c03f39',
    950: '#000000',
  },
}

SCSS

$custom: #c03f39;
$custom-light: #db7b70;
$custom-dark: #000000;

JSON

{
  "hex": "#c03f39",
  "rgb": {
    "r": 192,
    "g": 63,
    "b": 57
  },
  "hsl": {
    "h": 2.667,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55168,
    "c": 0.16617,
    "h": 26.7
  },
  "luminance": 0.15057
}

Semantic roles & 50–950 ramp

primary

#C03F39

secondary

#8AC8CB

accent

#D7DE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C03F39

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

Preview Lab → · Contrast checker → · Palette generator →