#4064BB#4064BB

#4064BB is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.2% C 0.143 H 265.0°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#4064BB
RGB	rgb(64, 100, 187)
HSL	hsl(222, 49%, 49%)
HSV	hsv(222, 66%, 73%)
CMYK	cmyk(65.8%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(43.93, 15.65, -49.77)
CIE-LCH	lch(43.93, 52.17, 287.46°)
OKLab	oklab(52.21% -0.0126 -0.1424)
OKLCH	oklch(52.21% 0.143 265)
XYZ	xyz(15.6380, 13.7907, 48.8418)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4064BB #BB9740

analogous

#40A2BB #4064BB #5A40BB

triadic

#4064BB #BB4064 #64BB40

tetradic

#4064BB #BB40A2 #BB9740 #40BB5A

square

#4064BB #BB40A2 #BB9740 #40BB5A

split-complementary

#4064BB #BB5A40 #A2BB40

monochromatic

#213360 #304C8D #4064BB #6C88CD #99ADDC

Accessibility & contrast

On white

5.59

#4064BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#4064BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4064BB

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4064BB	#FFFFFF	#000000	##FFFFFF
##4064BB	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBE

Deuteranopia (green-blind)

#2163B9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4064bb;
/* rgb */ color: rgb(64, 100, 187);
/* oklch */ color: oklch(52.2% 0.143 265.0);

Tailwind

colors: {
  custom: {
    50: '#828fd0',
    500: '#4064bb',
    950: '#000000',
  },
}

SCSS

$custom: #4064bb;
$custom-light: #828fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4064bb",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 222.439,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.52207,
    "c": 0.14292,
    "h": 265
  },
  "luminance": 0.13792
}

Semantic roles & 50–950 ramp

primary

#4064BB

secondary

#C8B78F

accent

#B04FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #4064BB

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

Preview Lab → · Contrast checker → · Palette generator →