#306FBA#306FBA

#306FBA is a mid, vivid cyan. Relative luminance 0.155; OKLCH L 53.9% C 0.134 H 254.7°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#306FBA
RGB	rgb(48, 111, 186)
HSL	hsl(213, 59%, 46%)
HSV	hsv(213, 74%, 73%)
CMYK	cmyk(74.2%, 40.3%, 0%, 27.1%)
CIE-LAB	lab(46.37, 5.89, -45.33)
CIE-LCH	lch(46.37, 45.71, 277.40°)
OKLab	oklab(53.89% -0.0355 -0.1294)
OKLCH	oklch(53.89% 0.134 254.7)
XYZ	xyz(15.7630, 15.5407, 48.6137)
Luminance	0.1554 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#306FBA #BA7B30

analogous

#30B4BA #306FBA #3630BA

triadic

#306FBA #BA306F #6FBA30

tetradic

#306FBA #BA30B4 #BA7B30 #30BA36

square

#306FBA #BA30B4 #BA7B30 #30BA36

split-complementary

#306FBA #BA3630 #B4BA30

monochromatic

#173559 #235289 #306FBA #548ED3 #85AEDF

Accessibility & contrast

On white

5.11

#306FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#306FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #306FBA

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##306FBA	#FFFFFF	#000000	##FFFFFF
##306FBA	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B75BD

Deuteranopia (green-blind)

#3568B8

Tritanopia (blue-blind)

#00818B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #306fba;
/* rgb */ color: rgb(48, 111, 186);
/* oklch */ color: oklch(53.9% 0.134 254.7);

Tailwind

colors: {
  custom: {
    50: '#7b97cf',
    500: '#306fba',
    950: '#000000',
  },
}

SCSS

$custom: #306fba;
$custom-light: #7b97cf;
$custom-dark: #000000;

JSON

{
  "hex": "#306fba",
  "rgb": {
    "r": 48,
    "g": 111,
    "b": 186
  },
  "hsl": {
    "h": 212.609,
    "s": 58.974,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5389,
    "c": 0.13419,
    "h": 254.7
  },
  "luminance": 0.15542
}

Semantic roles & 50–950 ramp

primary

#306FBA

secondary

#C9A67D

accent

#9B46E2

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #306FBA

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

Preview Lab → · Contrast checker → · Palette generator →