#4066BE#4066BE

#4066BE is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.8% C 0.145 H 264.4°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#4066BE
RGB	rgb(64, 102, 190)
HSL	hsl(222, 50%, 50%)
HSV	hsv(222, 66%, 75%)
CMYK	cmyk(66.3%, 46.3%, 0%, 25.5%)
CIE-LAB	lab(44.67, 15.46, -50.32)
CIE-LCH	lch(44.67, 52.64, 287.07°)
OKLab	oklab(52.83% -0.014 -0.144)
OKLCH	oklch(52.83% 0.145 264.4)
XYZ	xyz(16.1567, 14.3089, 50.6156)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4066BE #BE9840

analogous

#40A5BE #4066BE #5940BE

triadic

#4066BE #BE4066 #66BE40

tetradic

#4066BE #BE40A5 #BE9840 #40BE59

square

#4066BE #BE40A5 #BE9840 #40BE59

split-complementary

#4066BE #BE5940 #A5BE40

monochromatic

#213562 #314D90 #4066BE #6D8ACE #9BAFDD

Accessibility & contrast

On white

5.44

#4066BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#4066BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4066BE

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4066BE	#FFFFFF	#000000	##FFFFFF
##4066BE	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A70C1

Deuteranopia (green-blind)

#2264BC

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4066be;
/* rgb */ color: rgb(64, 102, 190);
/* oklch */ color: oklch(52.8% 0.145 264.4);

Tailwind

colors: {
  custom: {
    50: '#8291d2',
    500: '#4066be',
    950: '#000000',
  },
}

SCSS

$custom: #4066be;
$custom-light: #8291d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4066be",
  "rgb": {
    "r": 64,
    "g": 102,
    "b": 190
  },
  "hsl": {
    "h": 221.905,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.52834,
    "c": 0.14465,
    "h": 264.4
  },
  "luminance": 0.1431
}

Semantic roles & 50–950 ramp

primary

#4066BE

secondary

#C9B890

accent

#AF4FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4066BE

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

Preview Lab → · Contrast checker → · Palette generator →