#4066BD#4066BD

#4066BD is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.8% C 0.143 H 264.3°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4066BD
RGB	rgb(64, 102, 189)
HSL	hsl(222, 49%, 50%)
HSV	hsv(222, 66%, 74%)
CMYK	cmyk(66.1%, 46%, 0%, 25.9%)
CIE-LAB	lab(44.61, 15.10, -49.84)
CIE-LCH	lch(44.61, 52.08, 286.85°)
OKLab	oklab(52.77% -0.0142 -0.1425)
OKLCH	oklch(52.77% 0.143 264.3)
XYZ	xyz(16.0478, 14.2653, 50.0420)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066BD #BD9740

analogous

#40A5BD #4066BD #5940BD

triadic

#4066BD #BD4066 #66BD40

tetradic

#4066BD #BD40A5 #BD9740 #40BD59

square

#4066BD #BD40A5 #BD9740 #40BD59

split-complementary

#4066BD #BD5940 #A5BD40

monochromatic

#213562 #314D8F #4066BD #6D8ACD #9AAFDD

Accessibility & contrast

On white

5.45

#4066BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#4066BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066BD

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066BD	#FFFFFF	#000000	##FFFFFF
##4066BD	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B70C0

Deuteranopia (green-blind)

#2364BB

Tritanopia (blue-blind)

#007A88

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4066bd;
/* rgb */ color: rgb(64, 102, 189);
/* oklch */ color: oklch(52.8% 0.143 264.3);

Tailwind

colors: {
  custom: {
    50: '#8291d1',
    500: '#4066bd',
    950: '#000000',
  },
}

SCSS

$custom: #4066bd;
$custom-light: #8291d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4066bd",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 189
  },
  "hsl": {
    "h": 221.76,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52767,
    "c": 0.14326,
    "h": 264.3
  },
  "luminance": 0.14267
}

Semantic roles & 50–950 ramp

primary

#4066BD

secondary

#C9B890

accent

#AF4FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4066BD

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

Preview Lab → · Contrast checker → · Palette generator →