#306DC7#306DC7

#306DC7 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.3% C 0.154 H 258.3°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#306DC7
RGB	rgb(48, 109, 199)
HSL	hsl(216, 61%, 48%)
HSV	hsv(216, 76%, 78%)
CMYK	cmyk(75.9%, 45.2%, 0%, 22%)
CIE-LAB	lab(46.56, 12.01, -52.52)
CIE-LCH	lch(46.56, 53.88, 282.88°)
OKLab	oklab(54.29% -0.031 -0.1506)
OKLCH	oklch(54.29% 0.154 258.3)
XYZ	xyz(16.9926, 15.6872, 56.1541)
Luminance	0.1569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306DC7 #C78A30

analogous

#30B8C7 #306DC7 #3F30C7

triadic

#306DC7 #C7306D #6DC730

tetradic

#306DC7 #C730B8 #C78A30 #30C73F

square

#306DC7 #C730B8 #C78A30 #30C73F

split-complementary

#306DC7 #C73F30 #B8C730

monochromatic

#183764 #245296 #306DC7 #5C8ED8 #8EB0E4

Accessibility & contrast

On white

5.08

#306DC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#306DC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306DC7

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306DC7	#FFFFFF	#000000	##FFFFFF
##306DC7	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E76CA

Deuteranopia (green-blind)

#1D68C5

Tritanopia (blue-blind)

#008290

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #306dc7;
/* rgb */ color: rgb(48, 109, 199);
/* oklch */ color: oklch(54.3% 0.154 258.3);

Tailwind

colors: {
  custom: {
    50: '#7d96d8',
    500: '#306dc7',
    950: '#000000',
  },
}

SCSS

$custom: #306dc7;
$custom-light: #7d96d8;
$custom-dark: #000000;

JSON

{
  "hex": "#306dc7",
  "rgb": {
    "r": 48,
    "g": 109,
    "b": 199
  },
  "hsl": {
    "h": 215.762,
    "s": 61.134,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54291,
    "c": 0.15375,
    "h": 258.3
  },
  "luminance": 0.15689
}

Semantic roles & 50–950 ramp

primary

#306DC7

secondary

#CEB085

accent

#A344E4

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306DC7

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

Preview Lab → · Contrast checker → · Palette generator →