#C0403B#C0403B

#C0403B is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.3% C 0.165 H 26.2°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#C0403B
RGB	rgb(192, 64, 59)
HSL	hsl(2, 53%, 49%)
HSV	hsv(2, 69%, 75%)
CMYK	cmyk(0%, 66.7%, 69.3%, 24.7%)
CIE-LAB	lab(45.90, 50.82, 31.53)
CIE-LCH	lch(45.90, 59.80, 31.81°)
OKLab	oklab(55.31% 0.1479 0.0729)
OKLCH	oklch(55.31% 0.165 26.2)
XYZ	xyz(24.3636, 15.1925, 5.7864)
Luminance	0.1519 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C0403B #3BBBC0

analogous

#C03B78 #C0403B #C0833B

triadic

#C0403B #3BC040 #403BC0

tetradic

#C0403B #78C03B #3BBBC0 #833BC0

square

#C0403B #78C03B #3BBBC0 #833BC0

split-complementary

#C0403B #3BC083 #3B78C0

monochromatic

#62211E #91302D #C0403B #D16C68 #DF9997

Accessibility & contrast

On white

5.20

#C0403B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C0403B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C0403B

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C0403B	#FFFFFF	#000000	##FFFFFF
##C0403B	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B39

Deuteranopia (green-blind)

#837737

Tritanopia (blue-blind)

#D31E40

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c0403b;
/* rgb */ color: rgb(192, 64, 59);
/* oklch */ color: oklch(55.3% 0.165 26.2);

Tailwind

colors: {
  custom: {
    50: '#db7c71',
    500: '#c0403b',
    950: '#000000',
  },
}

SCSS

$custom: #c0403b;
$custom-light: #db7c71;
$custom-dark: #000000;

JSON

{
  "hex": "#c0403b",
  "rgb": {
    "r": 192,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 2.256,
    "s": 52.988,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55312,
    "c": 0.16487,
    "h": 26.2
  },
  "luminance": 0.15189
}

Semantic roles & 50–950 ramp

primary

#C0403B

secondary

#8CC8CA

accent

#D7DC4B

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #C0403B

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

Preview Lab → · Contrast checker → · Palette generator →