#306FBF#306FBF

#306FBF is a mid, vivid cyan. Relative luminance 0.158; OKLCH L 54.2% C 0.141 H 255.9°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#306FBF
RGB	rgb(48, 111, 191)
HSL	hsl(214, 60%, 47%)
HSV	hsv(214, 75%, 75%)
CMYK	cmyk(74.9%, 41.9%, 0%, 25.1%)
CIE-LAB	lab(46.65, 7.75, -47.77)
CIE-LCH	lch(46.65, 48.39, 279.22°)
OKLab	oklab(54.21% -0.0344 -0.1366)
OKLCH	oklch(54.21% 0.141 255.9)
XYZ	xyz(16.3039, 15.7570, 51.4623)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FBF #BF8030

analogous

#30B7BF #306FBF #3830BF

triadic

#306FBF #BF306F #6FBF30

tetradic

#306FBF #BF30B7 #BF8030 #30BF38

square

#306FBF #BF30B7 #BF8030 #30BF38

split-complementary

#306FBF #BF3830 #B7BF30

monochromatic

#17365D #24538E #306FBF #578FD5 #88AFE1

Accessibility & contrast

On white

5.06

#306FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#306FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FBF

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FBF	#FFFFFF	#000000	##FFFFFF
##306FBF	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4876C2

Deuteranopia (green-blind)

#2F69BD

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #306fbf;
/* rgb */ color: rgb(48, 111, 191);
/* oklch */ color: oklch(54.2% 0.141 255.9);

Tailwind

colors: {
  custom: {
    50: '#7c97d3',
    500: '#306fbf',
    950: '#000000',
  },
}

SCSS

$custom: #306fbf;
$custom-light: #7c97d3;
$custom-dark: #000000;

JSON

{
  "hex": "#306fbf",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 191
  },
  "hsl": {
    "h": 213.566,
    "s": 59.833,
    "l": 46.863
  },
  "oklch": {
    "l": 0.54208,
    "c": 0.14082,
    "h": 255.9
  },
  "luminance": 0.15759
}

Semantic roles & 50–950 ramp

primary

#306FBF

secondary

#CBAA80

accent

#9D45E3

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #306FBF

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

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