#C03A39#C03A39

#C03A39 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.6% C 0.171 H 25.2°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#C03A39
RGB	rgb(192, 58, 57)
HSL	hsl(0, 54%, 49%)
HSV	hsv(0, 70%, 75%)
CMYK	cmyk(0%, 69.8%, 70.3%, 24.7%)
CIE-LAB	lab(44.99, 53.13, 31.61)
CIE-LCH	lch(44.99, 61.82, 30.76°)
OKLab	oklab(54.62% 0.1547 0.0728)
OKLCH	oklch(54.62% 0.171 25.2)
XYZ	xyz(23.9924, 14.5315, 5.4116)
Luminance	0.1453 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03A39 #39BFC0

analogous

#C0397C #C03A39 #C07E39

triadic

#C03A39 #39C03A #3A39C0

tetradic

#C03A39 #7CC039 #39BFC0 #7E39C0

square

#C03A39 #7CC039 #39BFC0 #7E39C0

split-complementary

#C03A39 #39C07E #397CC0

monochromatic

#621D1D #912C2B #C03A39 #D16665 #DF9594

Accessibility & contrast

On white

5.38

#C03A39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#C03A39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03A39

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03A39	#FFFFFF	#000000	##FFFFFF
##C03A39	1.00	5.38	3.91	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605838

Deuteranopia (green-blind)

#817535

Tritanopia (blue-blind)

#D30D3B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03a39;
/* rgb */ color: rgb(192, 58, 57);
/* oklch */ color: oklch(54.6% 0.171 25.2);

Tailwind

colors: {
  custom: {
    50: '#db796f',
    500: '#c03a39',
    950: '#000000',
  },
}

SCSS

$custom: #c03a39;
$custom-light: #db796f;
$custom-dark: #000000;

JSON

{
  "hex": "#c03a39",
  "rgb": {
    "r": 192,
    "g": 58,
    "b": 57
  },
  "hsl": {
    "h": 0.444,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54621,
    "c": 0.17099,
    "h": 25.2
  },
  "luminance": 0.14528
}

Semantic roles & 50–950 ramp

primary

#C03A39

secondary

#8ACACB

accent

#DCDE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C03A39

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

Preview Lab → · Contrast checker → · Palette generator →