#306DC6#306DC6

#306DC6 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.2% C 0.152 H 258.2°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#306DC6
RGB	rgb(48, 109, 198)
HSL	hsl(216, 61%, 48%)
HSV	hsv(216, 76%, 78%)
CMYK	cmyk(75.8%, 44.9%, 0%, 22.4%)
CIE-LAB	lab(46.50, 11.64, -52.05)
CIE-LCH	lch(46.50, 53.33, 282.60°)
OKLab	oklab(54.22% -0.0312 -0.1492)
OKLCH	oklch(54.22% 0.152 258.2)
XYZ	xyz(16.8769, 15.6409, 55.5447)
Luminance	0.1564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DC6 #C68930

analogous

#30B8C6 #306DC6 #3E30C6

triadic

#306DC6 #C6306D #6DC630

tetradic

#306DC6 #C630B8 #C68930 #30C63E

square

#306DC6 #C630B8 #C68930 #30C63E

split-complementary

#306DC6 #C63E30 #B8C630

monochromatic

#183763 #245295 #306DC6 #5C8ED7 #8DB0E3

Accessibility & contrast

On white

5.09

#306DC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#306DC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DC6

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DC6	#FFFFFF	#000000	##FFFFFF
##306DC6	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F76C9

Deuteranopia (green-blind)

#1F68C4

Tritanopia (blue-blind)

#008290

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #306dc6;
/* rgb */ color: rgb(48, 109, 198);
/* oklch */ color: oklch(54.2% 0.152 258.2);

Tailwind

colors: {
  custom: {
    50: '#7d96d8',
    500: '#306dc6',
    950: '#000000',
  },
}

SCSS

$custom: #306dc6;
$custom-light: #7d96d8;
$custom-dark: #000000;

JSON

{
  "hex": "#306dc6",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 198
  },
  "hsl": {
    "h": 215.6,
    "s": 60.976,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54224,
    "c": 0.15241,
    "h": 258.2
  },
  "luminance": 0.15643
}

Semantic roles & 50–950 ramp

primary

#306DC6

secondary

#CEB084

accent

#A344E4

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306DC6

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

Preview Lab → · Contrast checker → · Palette generator →