#C03929#C03929

#C03929 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.3% C 0.174 H 30.3°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#C03929
RGB	rgb(192, 57, 41)
HSL	hsl(6, 65%, 46%)
HSV	hsv(6, 79%, 75%)
CMYK	cmyk(0%, 70.3%, 78.6%, 24.7%)
CIE-LAB	lab(44.66, 52.84, 40.30)
CIE-LCH	lch(44.66, 66.46, 37.33°)
OKLab	oklab(54.31% 0.1505 0.0879)
OKLCH	oklch(54.31% 0.174 30.3)
XYZ	xyz(23.6043, 14.2964, 3.6140)
Luminance	0.1429 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03929 #29B0C0

analogous

#C02964 #C03929 #C08529

triadic

#C03929 #29C039 #3929C0

tetradic

#C03929 #64C029 #29B0C0 #8529C0

square

#C03929 #64C029 #29B0C0 #8529C0

split-complementary

#C03929 #29C085 #2964C0

monochromatic

#5B1B13 #8E2A1E #C03929 #D95C4D #E48A80

Accessibility & contrast

On white

5.44

#C03929 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#C03929 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03929

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03929	#FFFFFF	#000000	##FFFFFF
##C03929	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615726

Deuteranopia (green-blind)

#827423

Tritanopia (blue-blind)

#D30036

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #c03929;
/* rgb */ color: rgb(192, 57, 41);
/* oklch */ color: oklch(54.3% 0.174 30.3);

Tailwind

colors: {
  custom: {
    50: '#dc7864',
    500: '#c03929',
    950: '#000000',
  },
}

SCSS

$custom: #c03929;
$custom-light: #dc7864;
$custom-dark: #000000;

JSON

{
  "hex": "#c03929",
  "rgb": {
    "r": 192,
    "g": 57,
    "b": 41
  },
  "hsl": {
    "h": 6.358,
    "s": 64.807,
    "l": 45.686
  },
  "oklch": {
    "l": 0.54313,
    "c": 0.17433,
    "h": 30.3
  },
  "luminance": 0.14293
}

Semantic roles & 50–950 ramp

primary

#C03929

secondary

#78C4CC

accent

#D6E840

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C03929

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

Preview Lab → · Contrast checker → · Palette generator →