#C03139#C03139

#C03139 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.7% C 0.179 H 22.9°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#C03139
RGB	rgb(192, 49, 57)
HSL	hsl(357, 59%, 47%)
HSV	hsv(357, 74%, 75%)
CMYK	cmyk(0%, 74.5%, 70.3%, 24.7%)
CIE-LAB	lab(43.80, 56.39, 30.21)
CIE-LCH	lch(43.80, 63.97, 28.17°)
OKLab	oklab(53.74% 0.1651 0.0697)
OKLCH	oklch(53.74% 0.179 22.9)
XYZ	xyz(23.5777, 13.7021, 5.2734)
Luminance	0.1370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03139 #31C0B8

analogous

#C03181 #C03139 #C07031

triadic

#C03139 #39C031 #3139C0

tetradic

#C03139 #81C031 #31C0B8 #7031C0

square

#C03139 #81C031 #31C0B8 #7031C0

split-complementary

#C03139 #31C070 #3181C0

monochromatic

#5E181C #8F252B #C03139 #D55960 #E18A8F

Accessibility & contrast

On white

5.62

#C03139 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#C03139 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03139

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03139	#FFFFFF	#000000	##FFFFFF
##C03139	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5438

Deuteranopia (green-blind)

#7F7334

Tritanopia (blue-blind)

#D30035

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c03139;
/* rgb */ color: rgb(192, 49, 57);
/* oklch */ color: oklch(53.7% 0.179 22.9);

Tailwind

colors: {
  custom: {
    50: '#db746f',
    500: '#c03139',
    950: '#000000',
  },
}

SCSS

$custom: #c03139;
$custom-light: #db746f;
$custom-dark: #000000;

JSON

{
  "hex": "#c03139",
  "rgb": {
    "r": 192,
    "g": 49,
    "b": 57
  },
  "hsl": {
    "h": 356.643,
    "s": 59.336,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53739,
    "c": 0.17919,
    "h": 22.9
  },
  "luminance": 0.13699
}

Semantic roles & 50–950 ramp

primary

#C03139

secondary

#82CBC7

accent

#E3DA45

background

#FEF7F6

surface

#FDEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #C03139

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

Preview Lab → · Contrast checker → · Palette generator →