#3066BC#3066BC

#3066BC is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.0% C 0.147 H 259.4°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#3066BC
RGB	rgb(48, 102, 188)
HSL	hsl(217, 59%, 46%)
HSV	hsv(217, 74%, 74%)
CMYK	cmyk(74.5%, 45.7%, 0%, 26.3%)
CIE-LAB	lab(43.89, 12.33, -50.46)
CIE-LCH	lch(43.89, 51.94, 283.73°)
OKLab	oklab(52.01% -0.027 -0.1446)
OKLCH	oklch(52.01% 0.147 259.4)
XYZ	xyz(15.0441, 13.7603, 49.4303)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3066BC #BC8630

analogous

#30ACBC #3066BC #4030BC

triadic

#3066BC #BC3066 #66BC30

tetradic

#3066BC #BC30AC #BC8630 #30BC40

square

#3066BC #BC30AC #BC8630 #30BC40

split-complementary

#3066BC #BC4030 #ACBC30

monochromatic

#17315A #244C8B #3066BC #5586D4 #86A9E0

Accessibility & contrast

On white

5.60

#3066BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3066BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3066BC

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3066BC	#FFFFFF	#000000	##FFFFFF
##3066BC	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396FBF

Deuteranopia (green-blind)

#1A62BA

Tritanopia (blue-blind)

#007A88

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3066bc;
/* rgb */ color: rgb(48, 102, 188);
/* oklch */ color: oklch(52.0% 0.147 259.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3066bc",
  "rgb": {
    "r": 48,
    "g": 102,
    "b": 188
  },
  "hsl": {
    "h": 216.857,
    "s": 59.322,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52008,
    "c": 0.14715,
    "h": 259.4
  },
  "luminance": 0.13762
}

Semantic roles & 50–950 ramp

primary

#3066BC

secondary

#CAAD7E

accent

#A645E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3066BC

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

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