#C03757#C03757

#C03757 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.9% C 0.173 H 11.4°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#C03757
RGB	rgb(192, 55, 87)
HSL	hsl(346, 55%, 48%)
HSV	hsv(346, 71%, 75%)
CMYK	cmyk(0%, 71.4%, 54.7%, 24.7%)
CIE-LAB	lab(45.12, 56.15, 13.58)
CIE-LCH	lch(45.12, 57.77, 13.59°)
OKLab	oklab(54.9% 0.1699 0.0342)
OKLCH	oklch(54.9% 0.173 11.4)
XYZ	xyz(24.8270, 14.6304, 10.5316)
Luminance	0.1463 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03757 #37C0A0

analogous

#C0379B #C03757 #C05B37

triadic

#C03757 #57C037 #3757C0

tetradic

#C03757 #9BC037 #37C0A0 #5B37C0

square

#C03757 #9BC037 #37C0A0 #5B37C0

split-complementary

#C03757 #37C05B #379BC0

monochromatic

#611C2C #902941 #C03757 #D2627C #E092A4

Accessibility & contrast

On white

5.35

#C03757 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#C03757 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03757

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03757	#FFFFFF	#000000	##FFFFFF
##C03757	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595957

Deuteranopia (green-blind)

#7D7554

Tritanopia (blue-blind)

#D21744

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c03757;
/* rgb */ color: rgb(192, 55, 87);
/* oklch */ color: oklch(54.9% 0.173 11.4);

Tailwind

colors: {
  custom: {
    50: '#d97886',
    500: '#c03757',
    950: '#000000',
  },
}

SCSS

$custom: #c03757;
$custom-light: #d97886;
$custom-dark: #000000;

JSON

{
  "hex": "#c03757",
  "rgb": {
    "r": 192,
    "g": 55,
    "b": 87
  },
  "hsl": {
    "h": 345.985,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54901,
    "c": 0.17336,
    "h": 11.4
  },
  "luminance": 0.14627
}

Semantic roles & 50–950 ramp

primary

#C03757

secondary

#88CBBB

accent

#DFBC49

background

#FEF7F8

surface

#FCEEEF

border

#D5C9CA

text

#160A0B

muted

#847C7C

Preview Lab

Preview with #C03757

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

Preview Lab → · Contrast checker → · Palette generator →