#306FBD#306FBD

#306FBD is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.1% C 0.138 H 255.4°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#306FBD
RGB	rgb(48, 111, 189)
HSL	hsl(213, 59%, 46%)
HSV	hsv(213, 75%, 74%)
CMYK	cmyk(74.6%, 41.3%, 0%, 25.9%)
CIE-LAB	lab(46.54, 7.01, -46.80)
CIE-LCH	lch(46.54, 47.32, 278.52°)
OKLab	oklab(54.08% -0.0348 -0.1337)
OKLCH	oklch(54.08% 0.138 255.4)
XYZ	xyz(16.0853, 15.6696, 50.3110)
Luminance	0.1567 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FBD #BD7E30

analogous

#30B6BD #306FBD #3730BD

triadic

#306FBD #BD306F #6FBD30

tetradic

#306FBD #BD30B6 #BD7E30 #30BD37

square

#306FBD #BD30B6 #BD7E30 #30BD37

split-complementary

#306FBD #BD3730 #B6BD30

monochromatic

#17365B #24528C #306FBD #568ED4 #87AFE0

Accessibility & contrast

On white

5.08

#306FBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#306FBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FBD

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FBD	#FFFFFF	#000000	##FFFFFF
##306FBD	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A75C0

Deuteranopia (green-blind)

#3268BB

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #306fbd;
/* rgb */ color: rgb(48, 111, 189);
/* oklch */ color: oklch(54.1% 0.138 255.4);

Tailwind

colors: {
  custom: {
    50: '#7b97d1',
    500: '#306fbd',
    950: '#000000',
  },
}

SCSS

$custom: #306fbd;
$custom-light: #7b97d1;
$custom-dark: #000000;

JSON

{
  "hex": "#306fbd",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 189
  },
  "hsl": {
    "h": 213.191,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5408,
    "c": 0.13816,
    "h": 255.4
  },
  "luminance": 0.15671
}

Semantic roles & 50–950 ramp

primary

#306FBD

secondary

#CAA87F

accent

#9C45E3

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306FBD

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

Preview Lab → · Contrast checker → · Palette generator →