#306CC4#306CC4

#306CC4 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 53.9% C 0.151 H 258.2°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#306CC4
RGB	rgb(48, 108, 196)
HSL	hsl(216, 61%, 48%)
HSV	hsv(216, 76%, 77%)
CMYK	cmyk(75.5%, 44.9%, 0%, 23.1%)
CIE-LAB	lab(46.09, 11.52, -51.55)
CIE-LCH	lch(46.09, 52.82, 282.59°)
OKLab	oklab(53.87% -0.0307 -0.1477)
OKLCH	oklch(53.87% 0.151 258.2)
XYZ	xyz(16.5416, 15.3371, 54.3024)
Luminance	0.1534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306CC4 #C48830

analogous

#30B6C4 #306CC4 #3E30C4

triadic

#306CC4 #C4306C #6CC430

tetradic

#306CC4 #C430B6 #C48830 #30C43E

square

#306CC4 #C430B6 #C48830 #30C43E

split-complementary

#306CC4 #C43E30 #B6C430

monochromatic

#183662 #245193 #306CC4 #5A8DD7 #8CAFE3

Accessibility & contrast

On white

5.16

#306CC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#306CC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306CC4

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306CC4	#FFFFFF	#000000	##FFFFFF
##306CC4	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F74C7

Deuteranopia (green-blind)

#2067C2

Tritanopia (blue-blind)

#00818E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #306cc4;
/* rgb */ color: rgb(48, 108, 196);
/* oklch */ color: oklch(53.9% 0.151 258.2);

Tailwind

colors: {
  custom: {
    50: '#7d95d6',
    500: '#306cc4',
    950: '#000000',
  },
}

SCSS

$custom: #306cc4;
$custom-light: #7d95d6;
$custom-dark: #000000;

JSON

{
  "hex": "#306cc4",
  "rgb": {
    "r": 48,
    "g": 108,
    "b": 196
  },
  "hsl": {
    "h": 215.676,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53869,
    "c": 0.1509,
    "h": 258.2
  },
  "luminance": 0.15339
}

Semantic roles & 50–950 ramp

primary

#306CC4

secondary

#CDAF83

accent

#A344E4

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306CC4

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

Preview Lab → · Contrast checker → · Palette generator →