#3066BB#3066BB

#3066BB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 51.9% C 0.146 H 259.2°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3066BB
RGB	rgb(48, 102, 187)
HSL	hsl(217, 59%, 46%)
HSV	hsv(217, 74%, 73%)
CMYK	cmyk(74.3%, 45.5%, 0%, 26.7%)
CIE-LAB	lab(43.82, 11.96, -49.98)
CIE-LCH	lch(43.82, 51.39, 283.45°)
OKLab	oklab(51.94% -0.0272 -0.1432)
OKLCH	oklch(51.94% 0.146 259.2)
XYZ	xyz(14.9367, 13.7173, 48.8646)
Luminance	0.1372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3066BB #BB8530

analogous

#30ABBB #3066BB #4030BB

triadic

#3066BB #BB3066 #66BB30

tetradic

#3066BB #BB30AB #BB8530 #30BB40

square

#3066BB #BB30AB #BB8530 #30BB40

split-complementary

#3066BB #BB4030 #ABBB30

monochromatic

#17315A #234B8A #3066BB #5586D3 #86A9E0

Accessibility & contrast

On white

5.61

#3066BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3066BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3066BB

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3066BB	#FFFFFF	#000000	##FFFFFF
##3066BB	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6EBE

Deuteranopia (green-blind)

#1C62B9

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3066bb;
/* rgb */ color: rgb(48, 102, 187);
/* oklch */ color: oklch(51.9% 0.146 259.2);

Tailwind

colors: {
  custom: {
    50: '#7b91d0',
    500: '#3066bb',
    950: '#000000',
  },
}

SCSS

$custom: #3066bb;
$custom-light: #7b91d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3066bb",
  "rgb": {
    "r": 48,
    "g": 102,
    "b": 187
  },
  "hsl": {
    "h": 216.691,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5194,
    "c": 0.14579,
    "h": 259.2
  },
  "luminance": 0.13719
}

Semantic roles & 50–950 ramp

primary

#3066BB

secondary

#C9AC7D

accent

#A545E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3066BB

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

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