#304CCC#304CCC

#304CCC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.0% C 0.200 H 268.1°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#304CCC
RGB	rgb(48, 76, 204)
HSL	hsl(229, 62%, 49%)
HSV	hsv(229, 76%, 80%)
CMYK	cmyk(76.5%, 62.7%, 0%, 20%)
CIE-LAB	lab(38.12, 35.11, -69.10)
CIE-LCH	lch(38.12, 77.50, 296.93°)
OKLab	oklab(48.02% -0.0066 -0.1998)
OKLCH	oklch(48.02% 0.2 268.1)
XYZ	xyz(14.6987, 10.1553, 58.3005)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304CCC #CCB030

analogous

#309ACC #304CCC #6230CC

triadic

#304CCC #CC304C #4CCC30

tetradic

#304CCC #CC309A #CCB030 #30CC62

square

#304CCC #CC309A #CCB030 #30CC62

split-complementary

#304CCC #CC6230 #9ACC30

monochromatic

#192769 #243A9A #304CCC #6076DA #91A0E5

Accessibility & contrast

On white

6.93

#304CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#304CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #304CCC

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304CCC	#FFFFFF	#000000	##FFFFFF
##304CCC	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D0

Deuteranopia (green-blind)

#0053CA

Tritanopia (blue-blind)

#006D85

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #304ccc;
/* rgb */ color: rgb(48, 76, 204);
/* oklch */ color: oklch(48.0% 0.200 268.1);

Tailwind

colors: {
  custom: {
    50: '#807edd',
    500: '#304ccc',
    950: '#000000',
  },
}

SCSS

$custom: #304ccc;
$custom-light: #807edd;
$custom-dark: #000000;

JSON

{
  "hex": "#304ccc",
  "rgb": {
    "r": 48,
    "g": 76,
    "b": 204
  },
  "hsl": {
    "h": 229.231,
    "s": 61.905,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48021,
    "c": 0.19993,
    "h": 268.1
  },
  "luminance": 0.10157
}

Semantic roles & 50–950 ramp

primary

#304CCC

secondary

#D0C388

accent

#C843E5

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #304CCC

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

Preview Lab → · Contrast checker → · Palette generator →