#306BC0#306BC0

#306BC0 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.4% C 0.147 H 257.9°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#306BC0
RGB	rgb(48, 107, 192)
HSL	hsl(215, 60%, 47%)
HSV	hsv(215, 75%, 75%)
CMYK	cmyk(75%, 44.3%, 0%, 24.7%)
CIE-LAB	lab(45.56, 10.65, -50.09)
CIE-LCH	lch(45.56, 51.21, 282.00°)
OKLab	oklab(53.38% -0.0306 -0.1435)
OKLCH	oklch(53.38% 0.147 257.9)
XYZ	xyz(15.9876, 14.9477, 51.9016)
Luminance	0.1495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BC0 #C08530

analogous

#30B3C0 #306BC0 #3D30C0

triadic

#306BC0 #C0306B #6BC030

tetradic

#306BC0 #C030B3 #C08530 #30C03D

square

#306BC0 #C030B3 #C08530 #30C03D

split-complementary

#306BC0 #C03D30 #B3C030

monochromatic

#18345E #24508F #306BC0 #588BD5 #89ADE1

Accessibility & contrast

On white

5.26

#306BC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#306BC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BC0

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BC0	#FFFFFF	#000000	##FFFFFF
##306BC0	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4073C3

Deuteranopia (green-blind)

#2466BE

Tritanopia (blue-blind)

#007F8C

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #306bc0;
/* rgb */ color: rgb(48, 107, 192);
/* oklch */ color: oklch(53.4% 0.147 257.9);

Tailwind

colors: {
  custom: {
    50: '#7c94d3',
    500: '#306bc0',
    950: '#000000',
  },
}

SCSS

$custom: #306bc0;
$custom-light: #7c94d3;
$custom-dark: #000000;

JSON

{
  "hex": "#306bc0",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 192
  },
  "hsl": {
    "h": 215.417,
    "s": 60,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53381,
    "c": 0.1467,
    "h": 257.9
  },
  "luminance": 0.1495
}

Semantic roles & 50–950 ramp

primary

#306BC0

secondary

#CBAD80

accent

#A245E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306BC0

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

Preview Lab → · Contrast checker → · Palette generator →