#306ABF#306ABF

#306ABF is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.1% C 0.147 H 258.2°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#306ABF
RGB	rgb(48, 106, 191)
HSL	hsl(216, 60%, 47%)
HSV	hsv(216, 75%, 75%)
CMYK	cmyk(74.9%, 44.5%, 0%, 25.1%)
CIE-LAB	lab(45.22, 10.91, -50.07)
CIE-LCH	lch(45.22, 51.24, 282.29°)
OKLab	oklab(53.09% -0.03 -0.1434)
OKLCH	oklch(53.09% 0.147 258.2)
XYZ	xyz(15.7735, 14.6963, 51.2855)
Luminance	0.1470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306ABF #BF8530

analogous

#30B2BF #306ABF #3D30BF

triadic

#306ABF #BF306A #6ABF30

tetradic

#306ABF #BF30B2 #BF8530 #30BF3D

square

#306ABF #BF30B2 #BF8530 #30BF3D

split-complementary

#306ABF #BF3D30 #B2BF30

monochromatic

#17345D #244F8E #306ABF #578AD5 #88ACE1

Accessibility & contrast

On white

5.33

#306ABF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#306ABF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306ABF

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306ABF	#FFFFFF	#000000	##FFFFFF
##306ABF	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F72C2

Deuteranopia (green-blind)

#2265BD

Tritanopia (blue-blind)

#007E8B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #306abf;
/* rgb */ color: rgb(48, 106, 191);
/* oklch */ color: oklch(53.1% 0.147 258.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#306abf",
  "rgb": {
    "r": 48,
    "g": 106,
    "b": 191
  },
  "hsl": {
    "h": 215.664,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53093,
    "c": 0.14651,
    "h": 258.2
  },
  "luminance": 0.14698
}

Semantic roles & 50–950 ramp

primary

#306ABF

secondary

#CBAC80

accent

#A345E3

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306ABF

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

Preview Lab → · Contrast checker → · Palette generator →