#306CC6#306CC6

#306CC6 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.0% C 0.154 H 258.6°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#306CC6
RGB	rgb(48, 108, 198)
HSL	hsl(216, 61%, 48%)
HSV	hsv(216, 76%, 78%)
CMYK	cmyk(75.8%, 45.5%, 0%, 22.4%)
CIE-LAB	lab(46.22, 12.27, -52.50)
CIE-LCH	lch(46.22, 53.92, 283.15°)
OKLab	oklab(54% -0.0304 -0.1505)
OKLCH	oklch(54% 0.154 258.6)
XYZ	xyz(16.7708, 15.4288, 55.5093)
Luminance	0.1543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306CC6 #C68A30

analogous

#30B7C6 #306CC6 #3F30C6

triadic

#306CC6 #C6306C #6CC630

tetradic

#306CC6 #C630B7 #C68A30 #30C63F

square

#306CC6 #C630B7 #C68A30 #30C63F

split-complementary

#306CC6 #C63F30 #B7C630

monochromatic

#183663 #245195 #306CC6 #5C8DD7 #8DB0E3

Accessibility & contrast

On white

5.14

#306CC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#306CC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306CC6

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306CC6	#FFFFFF	#000000	##FFFFFF
##306CC6	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D75C9

Deuteranopia (green-blind)

#1B67C4

Tritanopia (blue-blind)

#00818F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #306cc6;
/* rgb */ color: rgb(48, 108, 198);
/* oklch */ color: oklch(54.0% 0.154 258.6);

Tailwind

colors: {
  custom: {
    50: '#7d95d8',
    500: '#306cc6',
    950: '#000000',
  },
}

SCSS

$custom: #306cc6;
$custom-light: #7d95d8;
$custom-dark: #000000;

JSON

{
  "hex": "#306cc6",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 198
  },
  "hsl": {
    "h": 216,
    "s": 60.976,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54004,
    "c": 0.15358,
    "h": 258.6
  },
  "luminance": 0.15431
}

Semantic roles & 50–950 ramp

primary

#306CC6

secondary

#CEB084

accent

#A444E4

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306CC6

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

Preview Lab → · Contrast checker → · Palette generator →