#C03B39#C03B39

#C03B39 is a mid, vivid red. Relative luminance 0.146; OKLCH L 54.7% C 0.170 H 25.5°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#C03B39
RGB	rgb(192, 59, 57)
HSL	hsl(1, 54%, 49%)
HSV	hsv(1, 70%, 75%)
CMYK	cmyk(0%, 69.3%, 70.3%, 24.7%)
CIE-LAB	lab(45.13, 52.74, 31.78)
CIE-LCH	lch(45.13, 61.57, 31.08°)
OKLab	oklab(54.73% 0.1535 0.0732)
OKLCH	oklch(54.73% 0.17 25.5)
XYZ	xyz(24.0433, 14.6333, 5.4286)
Luminance	0.1463 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03B39 #39BEC0

analogous

#C0397B #C03B39 #C07F39

triadic

#C03B39 #39C03B #3B39C0

tetradic

#C03B39 #7BC039 #39BEC0 #7F39C0

square

#C03B39 #7BC039 #39BEC0 #7F39C0

split-complementary

#C03B39 #39C07F #397BC0

monochromatic

#621E1D #912C2B #C03B39 #D16765 #DF9594

Accessibility & contrast

On white

5.35

#C03B39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#C03B39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03B39

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03B39	#FFFFFF	#000000	##FFFFFF
##C03B39	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)

#605938

Deuteranopia (green-blind)

#827535

Tritanopia (blue-blind)

#D3113C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c03b39;
/* rgb */ color: rgb(192, 59, 57);
/* oklch */ color: oklch(54.7% 0.170 25.5);

Tailwind

colors: {
  custom: {
    50: '#db796f',
    500: '#c03b39',
    950: '#000000',
  },
}

SCSS

$custom: #c03b39;
$custom-light: #db796f;
$custom-dark: #000000;

JSON

{
  "hex": "#c03b39",
  "rgb": {
    "r": 192,
    "g": 59,
    "b": 57
  },
  "hsl": {
    "h": 0.889,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54727,
    "c": 0.17004,
    "h": 25.5
  },
  "luminance": 0.1463
}

Semantic roles & 50–950 ramp

primary

#C03B39

secondary

#8ACACB

accent

#DBDE4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C03B39

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

Preview Lab → · Contrast checker → · Palette generator →