#C03B2B#C03B2B

#C03B2B is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.5% C 0.172 H 30.3°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#C03B2B
RGB	rgb(192, 59, 43)
HSL	hsl(6, 63%, 46%)
HSV	hsv(6, 78%, 75%)
CMYK	cmyk(0%, 69.3%, 77.6%, 24.7%)
CIE-LAB	lab(44.96, 52.13, 39.54)
CIE-LCH	lch(44.96, 65.43, 37.18°)
OKLab	oklab(54.55% 0.1487 0.0869)
OKLCH	oklch(54.55% 0.172 30.3)
XYZ	xyz(23.7410, 14.5124, 3.8361)
Luminance	0.1451 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03B2B #2BB0C0

analogous

#C02B65 #C03B2B #C0852B

triadic

#C03B2B #2BC03B #3B2BC0

tetradic

#C03B2B #65C02B #2BB0C0 #852BC0

square

#C03B2B #65C02B #2BB0C0 #852BC0

split-complementary

#C03B2B #2BC085 #2B65C0

monochromatic

#5C1C15 #8E2C20 #C03B2B #D85F50 #E38D82

Accessibility & contrast

On white

5.38

#C03B2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#C03B2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03B2B

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03B2B	#FFFFFF	#000000	##FFFFFF
##C03B2B	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625828

Deuteranopia (green-blind)

#837526

Tritanopia (blue-blind)

#D30A38

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03b2b;
/* rgb */ color: rgb(192, 59, 43);
/* oklch */ color: oklch(54.5% 0.172 30.3);

Tailwind

colors: {
  custom: {
    50: '#dc7966',
    500: '#c03b2b',
    950: '#000000',
  },
}

SCSS

$custom: #c03b2b;
$custom-light: #dc7966;
$custom-dark: #000000;

JSON

{
  "hex": "#c03b2b",
  "rgb": {
    "r": 192,
    "g": 59,
    "b": 43
  },
  "hsl": {
    "h": 6.443,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54547,
    "c": 0.17222,
    "h": 30.3
  },
  "luminance": 0.14509
}

Semantic roles & 50–950 ramp

primary

#C03B2B

secondary

#7BC3CC

accent

#D5E641

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C03B2B

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

Preview Lab → · Contrast checker → · Palette generator →