#C03A30#C03A30

#C03A30 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.5% C 0.172 H 28.4°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#C03A30
RGB	rgb(192, 58, 48)
HSL	hsl(4, 60%, 47%)
HSV	hsv(4, 75%, 75%)
CMYK	cmyk(0%, 69.8%, 75%, 24.7%)
CIE-LAB	lab(44.87, 52.72, 36.67)
CIE-LCH	lch(44.87, 64.22, 34.82°)
OKLab	oklab(54.5% 0.1516 0.082)
OKLCH	oklch(54.5% 0.172 28.4)
XYZ	xyz(23.7875, 14.4495, 4.3322)
Luminance	0.1445 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03A30 #30B6C0

analogous

#C0306E #C03A30 #C08230

triadic

#C03A30 #30C03A #3A30C0

tetradic

#C03A30 #6EC030 #30B6C0 #8230C0

square

#C03A30 #6EC030 #30B6C0 #8230C0

split-complementary

#C03A30 #30C082 #306EC0

monochromatic

#5E1C18 #8F2B24 #C03A30 #D56158 #E18F89

Accessibility & contrast

On white

5.40

#C03A30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#C03A30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03A30

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03A30	#FFFFFF	#000000	##FFFFFF
##C03A30	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61582E

Deuteranopia (green-blind)

#82752B

Tritanopia (blue-blind)

#D30839

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03a30;
/* rgb */ color: rgb(192, 58, 48);
/* oklch */ color: oklch(54.5% 0.172 28.4);

Tailwind

colors: {
  custom: {
    50: '#db7969',
    500: '#c03a30',
    950: '#000000',
  },
}

SCSS

$custom: #c03a30;
$custom-light: #db7969;
$custom-dark: #000000;

JSON

{
  "hex": "#c03a30",
  "rgb": {
    "r": 192,
    "g": 58,
    "b": 48
  },
  "hsl": {
    "h": 4.167,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54498,
    "c": 0.17231,
    "h": 28.4
  },
  "luminance": 0.14446
}

Semantic roles & 50–950 ramp

primary

#C03A30

secondary

#80C6CB

accent

#D8E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C03A30

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

Preview Lab → · Contrast checker → · Palette generator →