#C03031#C03031

#C03031 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.5% C 0.181 H 25.5°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#C03031
RGB	rgb(192, 48, 49)
HSL	hsl(360, 60%, 47%)
HSV	hsv(360, 75%, 75%)
CMYK	cmyk(0%, 75%, 74.5%, 24.7%)
CIE-LAB	lab(43.57, 56.38, 34.66)
CIE-LCH	lch(43.57, 66.18, 31.58°)
OKLab	oklab(53.53% 0.1633 0.0778)
OKLCH	oklch(53.53% 0.181 25.5)
XYZ	xyz(23.3523, 13.5457, 4.2901)
Luminance	0.1354 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C03031 #30C0BF

analogous

#C03079 #C03031 #C07730

triadic

#C03031 #31C030 #3031C0

tetradic

#C03031 #79C030 #30C0BF #7730C0

square

#C03031 #79C030 #30C0BF #7730C0

split-complementary

#C03031 #30C077 #3079C0

monochromatic

#5E1818 #8F2425 #C03031 #D55859 #E1898A

Accessibility & contrast

On white

5.66

#C03031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#C03031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C03031

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C03031	#FFFFFF	#000000	##FFFFFF
##C03031	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B532F

Deuteranopia (green-blind)

#7F722C

Tritanopia (blue-blind)

#D30032

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #c03031;
/* rgb */ color: rgb(192, 48, 49);
/* oklch */ color: oklch(53.5% 0.181 25.5);

Tailwind

colors: {
  custom: {
    50: '#dc7469',
    500: '#c03031',
    950: '#000000',
  },
}

SCSS

$custom: #c03031;
$custom-light: #dc7469;
$custom-dark: #000000;

JSON

{
  "hex": "#c03031",
  "rgb": {
    "r": 192,
    "g": 48,
    "b": 49
  },
  "hsl": {
    "h": 359.583,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53534,
    "c": 0.18089,
    "h": 25.5
  },
  "luminance": 0.13542
}

Semantic roles & 50–950 ramp

primary

#C03031

secondary

#80CBCB

accent

#E3E245

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C03031

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

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