#305DC7#305DC7

#305DC7 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.9% C 0.173 H 263.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#305DC7
RGB	rgb(48, 93, 199)
HSL	hsl(222, 61%, 48%)
HSV	hsv(222, 76%, 78%)
CMYK	cmyk(75.9%, 53.3%, 0%, 22%)
CIE-LAB	lab(42.12, 22.28, -59.68)
CIE-LCH	lch(42.12, 63.71, 290.47°)
OKLab	oklab(50.89% -0.0183 -0.1719)
OKLCH	oklch(50.89% 0.173 263.9)
XYZ	xyz(15.4384, 12.5789, 55.6361)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#305DC7 #C79A30

analogous

#30A8C7 #305DC7 #4E30C7

triadic

#305DC7 #C7305D #5DC730

tetradic

#305DC7 #C730A8 #C79A30 #30C74E

square

#305DC7 #C730A8 #C79A30 #30C74E

split-complementary

#305DC7 #C74E30 #A8C730

monochromatic

#182F64 #244696 #305DC7 #5C81D8 #8EA7E4

Accessibility & contrast

On white

5.97

#305DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#305DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #305DC7

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##305DC7	#FFFFFF	#000000	##FFFFFF
##305DC7	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#096BCB

Deuteranopia (green-blind)

#005DC5

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #305dc7;
/* rgb */ color: rgb(48, 93, 199);
/* oklch */ color: oklch(50.9% 0.173 263.9);

Tailwind

colors: {
  custom: {
    50: '#7e8ad9',
    500: '#305dc7',
    950: '#000000',
  },
}

SCSS

$custom: #305dc7;
$custom-light: #7e8ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#305dc7",
  "rgb": {
    "r": 48,
    "g": 93,
    "b": 199
  },
  "hsl": {
    "h": 222.119,
    "s": 61.134,
    "l": 48.431
  },
  "oklch": {
    "l": 0.50894,
    "c": 0.17291,
    "h": 263.9
  },
  "luminance": 0.12581
}

Semantic roles & 50–950 ramp

primary

#305DC7

secondary

#CEB885

accent

#B444E4

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #305DC7

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

Preview Lab → · Contrast checker → · Palette generator →