#C03B30#C03B30

#C03B30 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.6% C 0.171 H 28.7°. Best body text is #FFFFFF at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#C03B30
RGB	rgb(192, 59, 48)
HSL	hsl(5, 60%, 47%)
HSV	hsv(5, 75%, 75%)
CMYK	cmyk(0%, 69.3%, 75%, 24.7%)
CIE-LAB	lab(45.01, 52.33, 36.83)
CIE-LCH	lch(45.01, 63.99, 35.14°)
OKLab	oklab(54.61% 0.1503 0.0823)
OKLCH	oklch(54.61% 0.171 28.7)
XYZ	xyz(23.8384, 14.5514, 4.3492)
Luminance	0.1455 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03B30 #30B5C0

analogous

#C0306D #C03B30 #C08330

triadic

#C03B30 #30C03B #3B30C0

tetradic

#C03B30 #6DC030 #30B5C0 #8330C0

square

#C03B30 #6DC030 #30B5C0 #8330C0

split-complementary

#C03B30 #30C083 #306DC0

monochromatic

#5E1D18 #8F2C24 #C03B30 #D56258 #E19089

Accessibility & contrast

On white

5.37

#C03B30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#C03B30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03B30

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03B30	#FFFFFF	#000000	##FFFFFF
##C03B30	1.00	5.37	3.91	5.37
#FFFFFF	5.37	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61582E

Deuteranopia (green-blind)

#82752B

Tritanopia (blue-blind)

#D30C3A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03b30;
/* rgb */ color: rgb(192, 59, 48);
/* oklch */ color: oklch(54.6% 0.171 28.7);

Tailwind

colors: {
  custom: {
    50: '#db7969',
    500: '#c03b30',
    950: '#000000',
  },
}

SCSS

$custom: #c03b30;
$custom-light: #db7969;
$custom-dark: #000000;

JSON

{
  "hex": "#c03b30",
  "rgb": {
    "r": 192,
    "g": 59,
    "b": 48
  },
  "hsl": {
    "h": 4.583,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54605,
    "c": 0.17139,
    "h": 28.7
  },
  "luminance": 0.14548
}

Semantic roles & 50–950 ramp

primary

#C03B30

secondary

#80C6CB

accent

#D7E345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C03B30

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

Preview Lab → · Contrast checker → · Palette generator →