#3066B7#3066B7

#3066B7 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.7% C 0.140 H 258.5°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3066B7
RGB	rgb(48, 102, 183)
HSL	hsl(216, 58%, 45%)
HSV	hsv(216, 74%, 72%)
CMYK	cmyk(73.8%, 44.3%, 0%, 28.2%)
CIE-LAB	lab(43.58, 10.45, -48.04)
CIE-LCH	lch(43.58, 49.17, 282.27°)
OKLab	oklab(51.67% -0.028 -0.1375)
OKLCH	oklch(51.67% 0.14 258.5)
XYZ	xyz(14.5144, 13.5484, 46.6407)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3066B7 #B78130

analogous

#30A9B7 #3066B7 #3D30B7

triadic

#3066B7 #B73066 #66B730

tetradic

#3066B7 #B730A9 #B78130 #30B73D

square

#3066B7 #B730A9 #B78130 #30B73D

split-complementary

#3066B7 #B73D30 #A9B730

monochromatic

#173056 #234B87 #3066B7 #5285D2 #83A8DE

Accessibility & contrast

On white

5.66

#3066B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3066B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3066B7

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3066B7	#FFFFFF	#000000	##FFFFFF
##3066B7	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6EBA

Deuteranopia (green-blind)

#2461B5

Tritanopia (blue-blind)

#007985

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3066b7;
/* rgb */ color: rgb(48, 102, 183);
/* oklch */ color: oklch(51.7% 0.140 258.5);

Tailwind

colors: {
  custom: {
    50: '#7a91cd',
    500: '#3066b7',
    950: '#000000',
  },
}

SCSS

$custom: #3066b7;
$custom-light: #7a91cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3066b7",
  "rgb": {
    "r": 48,
    "g": 102,
    "b": 183
  },
  "hsl": {
    "h": 216,
    "s": 58.442,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5167,
    "c": 0.14035,
    "h": 258.5
  },
  "luminance": 0.1355
}

Semantic roles & 50–950 ramp

primary

#3066B7

secondary

#C8A97B

accent

#A346E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3066B7

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

Preview Lab → · Contrast checker → · Palette generator →