#306BDA#306BDA

#306BDA is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.2% C 0.181 H 261.5°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#306BDA
RGB	rgb(48, 107, 218)
HSL	hsl(219, 70%, 52%)
HSV	hsv(219, 78%, 85%)
CMYK	cmyk(78%, 50.9%, 0%, 14.5%)
CIE-LAB	lab(47.24, 20.42, -62.28)
CIE-LCH	lch(47.24, 65.54, 288.15°)
OKLab	oklab(55.21% -0.0267 -0.1793)
OKLCH	oklch(55.21% 0.181 261.5)
XYZ	xyz(19.1269, 16.2035, 68.4356)
Luminance	0.1621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306BDA #DA9F30

analogous

#30C0DA #306BDA #4A30DA

triadic

#306BDA #DA306B #6BDA30

tetradic

#306BDA #DA30C0 #DA9F30 #30DA4A

square

#306BDA #DA30C0 #DA9F30 #30DA4A

split-complementary

#306BDA #DA4A30 #C0DA30

monochromatic

#16387A #1F51AE #306BDA #6490E3 #98B5ED

Accessibility & contrast

On white

4.95

#306BDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#306BDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306BDA

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306BDA	#FFFFFF	#000000	##FFFFFF
##306BDA	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2278DE

Deuteranopia (green-blind)

#0069D8

Tritanopia (blue-blind)

#008698

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #306bda;
/* rgb */ color: rgb(48, 107, 218);
/* oklch */ color: oklch(55.2% 0.181 261.5);

Tailwind

colors: {
  custom: {
    50: '#8194e6',
    500: '#306bda',
    950: '#000000',
  },
}

SCSS

$custom: #306bda;
$custom-light: #8194e6;
$custom-dark: #000000;

JSON

{
  "hex": "#306bda",
  "rgb": {
    "r": 48,
    "g": 107,
    "b": 218
  },
  "hsl": {
    "h": 219.176,
    "s": 69.672,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55207,
    "c": 0.18131,
    "h": 261.5
  },
  "luminance": 0.16206
}

Semantic roles & 50–950 ramp

primary

#306BDA

secondary

#D8BE8E

accent

#AF3BEC

background

#F8F9FE

surface

#F0F1FC

border

#CBCBD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #306BDA

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

Preview Lab → · Contrast checker → · Palette generator →