#C02B2B#C02B2B

#C02B2B is a mid, vivid red. Relative luminance 0.131; OKLCH L 53.0% C 0.186 H 26.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#C02B2B
RGB	rgb(192, 43, 43)
HSL	hsl(0, 63%, 46%)
HSV	hsv(0, 78%, 75%)
CMYK	cmyk(0%, 77.6%, 77.6%, 24.7%)
CIE-LAB	lab(42.93, 57.75, 37.40)
CIE-LCH	lch(42.93, 68.80, 32.93°)
OKLab	oklab(53.03% 0.1664 0.0822)
OKLCH	oklch(53.03% 0.186 26.3)
XYZ	xyz(23.0409, 13.1123, 3.6028)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C02B2B #2BC0C0

analogous

#C02B75 #C02B2B #C0752B

triadic

#C02B2B #2BC02B #2B2BC0

tetradic

#C02B2B #75C02B #2BC0C0 #752BC0

square

#C02B2B #75C02B #2BC0C0 #752BC0

split-complementary

#C02B2B #2BC075 #2B75C0

monochromatic

#5C1515 #8E2020 #C02B2B #D85050 #E38282

Accessibility & contrast

On white

5.80

#C02B2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#C02B2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C02B2B

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C02B2B	#FFFFFF	#000000	##FFFFFF
##C02B2B	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595129

Deuteranopia (green-blind)

#7E7125

Tritanopia (blue-blind)

#D4002D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #c02b2b;
/* rgb */ color: rgb(192, 43, 43);
/* oklch */ color: oklch(53.0% 0.186 26.3);

Tailwind

colors: {
  custom: {
    50: '#dc7265',
    500: '#c02b2b',
    950: '#000000',
  },
}

SCSS

$custom: #c02b2b;
$custom-light: #dc7265;
$custom-dark: #000000;

JSON

{
  "hex": "#c02b2b",
  "rgb": {
    "r": 192,
    "g": 43,
    "b": 43
  },
  "hsl": {
    "h": 0,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53034,
    "c": 0.18555,
    "h": 26.3
  },
  "luminance": 0.13109
}

Semantic roles & 50–950 ramp

primary

#C02B2B

secondary

#7BCCCC

accent

#E6E641

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C02B2B

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

Preview Lab → · Contrast checker → · Palette generator →