#C03F33#C03F33

#C03F33 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.1% C 0.167 H 28.9°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C03F33
RGB	rgb(192, 63, 51)
HSL	hsl(5, 58%, 48%)
HSV	hsv(5, 73%, 75%)
CMYK	cmyk(0%, 67.2%, 73.4%, 24.7%)
CIE-LAB	lab(45.64, 50.85, 35.83)
CIE-LCH	lch(45.64, 62.21, 35.17°)
OKLab	oklab(55.09% 0.1463 0.0808)
OKLCH	oklch(55.09% 0.167 28.9)
XYZ	xyz(24.1159, 15.0040, 4.7575)
Luminance	0.1500 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03F33 #33B4C0

analogous

#C0336E #C03F33 #C08533

triadic

#C03F33 #33C03F #3F33C0

tetradic

#C03F33 #6EC033 #33B4C0 #8533C0

square

#C03F33 #6EC033 #33B4C0 #8533C0

split-complementary

#C03F33 #33C085 #336EC0

monochromatic

#5F1F19 #902F26 #C03F33 #D4675C #E1948D

Accessibility & contrast

On white

5.25

#C03F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C03F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03F33

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03F33	#FFFFFF	#000000	##FFFFFF
##C03F33	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A31

Deuteranopia (green-blind)

#84762F

Tritanopia (blue-blind)

#D3193D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c03f33;
/* rgb */ color: rgb(192, 63, 51);
/* oklch */ color: oklch(55.1% 0.167 28.9);

Tailwind

colors: {
  custom: {
    50: '#db7b6b',
    500: '#c03f33',
    950: '#000000',
  },
}

SCSS

$custom: #c03f33;
$custom-light: #db7b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#c03f33",
  "rgb": {
    "r": 192,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 5.106,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55086,
    "c": 0.16714,
    "h": 28.9
  },
  "luminance": 0.15
}

Semantic roles & 50–950 ramp

primary

#C03F33

secondary

#84C5CB

accent

#D4E147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C03F33

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

Preview Lab → · Contrast checker → · Palette generator →