#3066BA#3066BA

#3066BA is a mid, vivid blue. Relative luminance 0.137; OKLCH L 51.9% C 0.144 H 259.1°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#3066BA
RGB	rgb(48, 102, 186)
HSL	hsl(217, 59%, 46%)
HSV	hsv(217, 74%, 73%)
CMYK	cmyk(74.2%, 45.2%, 0%, 27.1%)
CIE-LAB	lab(43.76, 11.58, -49.50)
CIE-LCH	lch(43.76, 50.83, 283.17°)
OKLab	oklab(51.87% -0.0274 -0.1418)
OKLCH	oklch(51.87% 0.144 259.1)
XYZ	xyz(14.8300, 13.6746, 48.3027)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3066BA #BA8430

analogous

#30ABBA #3066BA #3F30BA

triadic

#3066BA #BA3066 #66BA30

tetradic

#3066BA #BA30AB #BA8430 #30BA3F

square

#3066BA #BA30AB #BA8430 #30BA3F

split-complementary

#3066BA #BA3F30 #ABBA30

monochromatic

#173159 #234B89 #3066BA #5486D3 #85A8DF

Accessibility & contrast

On white

5.62

#3066BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3066BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3066BA

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3066BA	#FFFFFF	#000000	##FFFFFF
##3066BA	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6EBD

Deuteranopia (green-blind)

#1E62B8

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3066ba;
/* rgb */ color: rgb(48, 102, 186);
/* oklch */ color: oklch(51.9% 0.144 259.1);

Tailwind

colors: {
  custom: {
    50: '#7b91cf',
    500: '#3066ba',
    950: '#000000',
  },
}

SCSS

$custom: #3066ba;
$custom-light: #7b91cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3066ba",
  "rgb": {
    "r": 48,
    "g": 102,
    "b": 186
  },
  "hsl": {
    "h": 216.522,
    "s": 58.974,
    "l": 45.882
  },
  "oklch": {
    "l": 0.51872,
    "c": 0.14442,
    "h": 259.1
  },
  "luminance": 0.13676
}

Semantic roles & 50–950 ramp

primary

#3066BA

secondary

#C9AB7D

accent

#A546E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3066BA

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

Preview Lab → · Contrast checker → · Palette generator →