#3066BD#3066BD

#3066BD is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.1% C 0.148 H 259.6°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#3066BD
RGB	rgb(48, 102, 189)
HSL	hsl(217, 59%, 46%)
HSV	hsv(217, 75%, 74%)
CMYK	cmyk(74.6%, 46%, 0%, 25.9%)
CIE-LAB	lab(43.95, 12.71, -50.94)
CIE-LCH	lch(43.95, 52.50, 284.01°)
OKLab	oklab(52.08% -0.0269 -0.1461)
OKLCH	oklch(52.08% 0.149 259.6)
XYZ	xyz(15.1523, 13.8036, 50.0000)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3066BD #BD8730

analogous

#30ADBD #3066BD #4030BD

triadic

#3066BD #BD3066 #66BD30

tetradic

#3066BD #BD30AD #BD8730 #30BD40

square

#3066BD #BD30AD #BD8730 #30BD40

split-complementary

#3066BD #BD4030 #ADBD30

monochromatic

#17315B #244C8C #3066BD #5686D4 #87A9E0

Accessibility & contrast

On white

5.58

#3066BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3066BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3066BD

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3066BD	#FFFFFF	#000000	##FFFFFF
##3066BD	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386FC0

Deuteranopia (green-blind)

#1862BB

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3066bd;
/* rgb */ color: rgb(48, 102, 189);
/* oklch */ color: oklch(52.1% 0.148 259.6);

Tailwind

colors: {
  custom: {
    50: '#7b91d1',
    500: '#3066bd',
    950: '#000000',
  },
}

SCSS

$custom: #3066bd;
$custom-light: #7b91d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3066bd",
  "rgb": {
    "r": 48,
    "g": 102,
    "b": 189
  },
  "hsl": {
    "h": 217.021,
    "s": 59.494,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52077,
    "c": 0.1485,
    "h": 259.6
  },
  "luminance": 0.13805
}

Semantic roles & 50–950 ramp

primary

#3066BD

secondary

#CAAD7F

accent

#A645E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3066BD

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

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