#306FD6#306FD6

#306FD6 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.8% C 0.171 H 259.8°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#306FD6
RGB	rgb(48, 111, 214)
HSL	hsl(217, 67%, 51%)
HSV	hsv(217, 78%, 84%)
CMYK	cmyk(77.6%, 48.1%, 0%, 16.1%)
CIE-LAB	lab(48.07, 16.37, -58.67)
CIE-LCH	lch(48.07, 60.91, 285.59°)
OKLab	oklab(55.76% -0.0302 -0.1686)
OKLCH	oklch(55.76% 0.171 259.8)
XYZ	xyz(19.0365, 16.8501, 65.8544)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FD6 #D69730

analogous

#30C2D6 #306FD6 #4430D6

triadic

#306FD6 #D6306F #6FD630

tetradic

#306FD6 #D630C2 #D69730 #30D644

square

#306FD6 #D630C2 #D69730 #30D644

split-complementary

#306FD6 #D64430 #C2D630

monochromatic

#173B75 #2154A8 #306FD6 #6393E0 #96B6EA

Accessibility & contrast

On white

4.81

#306FD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#306FD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FD6

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FD6	#FFFFFF	#000000	##FFFFFF
##306FD6	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#347ADA

Deuteranopia (green-blind)

#006BD4

Tritanopia (blue-blind)

#008898

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #306fd6;
/* rgb */ color: rgb(48, 111, 214);
/* oklch */ color: oklch(55.8% 0.171 259.8);

Tailwind

colors: {
  custom: {
    50: '#8097e3',
    500: '#306fd6',
    950: '#000000',
  },
}

SCSS

$custom: #306fd6;
$custom-light: #8097e3;
$custom-dark: #000000;

JSON

{
  "hex": "#306fd6",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 214
  },
  "hsl": {
    "h": 217.229,
    "s": 66.935,
    "l": 51.373
  },
  "oklch": {
    "l": 0.55757,
    "c": 0.17131,
    "h": 259.8
  },
  "luminance": 0.16852
}

Semantic roles & 50–950 ramp

primary

#306FD6

secondary

#D5BA8C

accent

#A93EEA

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D15

muted

#7D7E84

Preview Lab

Preview with #306FD6

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

Preview Lab → · Contrast checker → · Palette generator →