#306FBE#306FBE

#306FBE is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.1% C 0.139 H 255.7°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#306FBE
RGB	rgb(48, 111, 190)
HSL	hsl(213, 60%, 47%)
HSV	hsv(213, 75%, 75%)
CMYK	cmyk(74.7%, 41.6%, 0%, 25.5%)
CIE-LAB	lab(46.60, 7.38, -47.28)
CIE-LCH	lch(46.60, 47.85, 278.87°)
OKLab	oklab(54.14% -0.0346 -0.1351)
OKLCH	oklch(54.14% 0.139 255.7)
XYZ	xyz(16.1942, 15.7131, 50.8847)
Luminance	0.1572 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FBE #BE7F30

analogous

#30B6BE #306FBE #3830BE

triadic

#306FBE #BE306F #6FBE30

tetradic

#306FBE #BE30B6 #BE7F30 #30BE38

square

#306FBE #BE30B6 #BE7F30 #30BE38

split-complementary

#306FBE #BE3830 #B6BE30

monochromatic

#17365C #24528D #306FBE #578FD4 #88AFE1

Accessibility & contrast

On white

5.07

#306FBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#306FBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FBE

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FBE	#FFFFFF	#000000	##FFFFFF
##306FBE	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4975C1

Deuteranopia (green-blind)

#3168BC

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #306fbe;
/* rgb */ color: rgb(48, 111, 190);
/* oklch */ color: oklch(54.1% 0.139 255.7);

Tailwind

colors: {
  custom: {
    50: '#7b97d2',
    500: '#306fbe',
    950: '#000000',
  },
}

SCSS

$custom: #306fbe;
$custom-light: #7b97d2;
$custom-dark: #000000;

JSON

{
  "hex": "#306fbe",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 190
  },
  "hsl": {
    "h": 213.38,
    "s": 59.664,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54144,
    "c": 0.13949,
    "h": 255.7
  },
  "luminance": 0.15715
}

Semantic roles & 50–950 ramp

primary

#306FBE

secondary

#CBA97F

accent

#9D45E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306FBE

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

Preview Lab → · Contrast checker → · Palette generator →