#305CC4#305CC4

#305CC4 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.5% C 0.170 H 264.0°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#305CC4
RGB	rgb(48, 92, 196)
HSL	hsl(222, 61%, 48%)
HSV	hsv(222, 76%, 77%)
CMYK	cmyk(75.5%, 53.1%, 0%, 23.1%)
CIE-LAB	lab(41.64, 21.81, -58.73)
CIE-LCH	lch(41.64, 62.65, 290.37°)
OKLab	oklab(50.46% -0.0178 -0.1692)
OKLCH	oklch(50.46% 0.17 264)
XYZ	xyz(15.0063, 12.2665, 53.7906)
Luminance	0.1227 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305CC4 #C49830

analogous

#30A6C4 #305CC4 #4E30C4

triadic

#305CC4 #C4305C #5CC430

tetradic

#305CC4 #C430A6 #C49830 #30C44E

square

#305CC4 #C430A6 #C49830 #30C44E

split-complementary

#305CC4 #C44E30 #A6C430

monochromatic

#182E62 #244593 #305CC4 #5A7FD7 #8CA6E3

Accessibility & contrast

On white

6.08

#305CC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#305CC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305CC4

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305CC4	#FFFFFF	#000000	##FFFFFF
##305CC4	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D69C8

Deuteranopia (green-blind)

#005CC2

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #305cc4;
/* rgb */ color: rgb(48, 92, 196);
/* oklch */ color: oklch(50.5% 0.170 264.0);

Tailwind

colors: {
  custom: {
    50: '#7d89d7',
    500: '#305cc4',
    950: '#000000',
  },
}

SCSS

$custom: #305cc4;
$custom-light: #7d89d7;
$custom-dark: #000000;

JSON

{
  "hex": "#305cc4",
  "rgb": {
    "r": 48,
    "g": 92,
    "b": 196
  },
  "hsl": {
    "h": 222.162,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.50458,
    "c": 0.17009,
    "h": 264
  },
  "luminance": 0.12268
}

Semantic roles & 50–950 ramp

primary

#305CC4

secondary

#CDB783

accent

#B444E4

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #305CC4

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

Preview Lab → · Contrast checker → · Palette generator →