#4065BB#4065BB

#4065BB is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.4% C 0.142 H 264.5°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4065BB
RGB	rgb(64, 101, 187)
HSL	hsl(222, 49%, 49%)
HSV	hsv(222, 66%, 73%)
CMYK	cmyk(65.8%, 46%, 0%, 26.7%)
CIE-LAB	lab(44.21, 15.02, -49.32)
CIE-LCH	lch(44.21, 51.56, 286.93°)
OKLab	oklab(52.42% -0.0135 -0.141)
OKLCH	oklch(52.42% 0.142 264.5)
XYZ	xyz(15.7345, 13.9837, 48.8740)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4065BB #BB9640

analogous

#40A3BB #4065BB #5940BB

triadic

#4065BB #BB4065 #65BB40

tetradic

#4065BB #BB40A3 #BB9640 #40BB59

square

#4065BB #BB40A3 #BB9640 #40BB59

split-complementary

#4065BB #BB5940 #A3BB40

monochromatic

#213460 #304C8D #4065BB #6C89CD #99ADDC

Accessibility & contrast

On white

5.53

#4065BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#4065BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4065BB

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4065BB	#FFFFFF	#000000	##FFFFFF
##4065BB	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6FBE

Deuteranopia (green-blind)

#2463B9

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4065bb;
/* rgb */ color: rgb(64, 101, 187);
/* oklch */ color: oklch(52.4% 0.142 264.5);

Tailwind

colors: {
  custom: {
    50: '#8290d0',
    500: '#4065bb',
    950: '#000000',
  },
}

SCSS

$custom: #4065bb;
$custom-light: #8290d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4065bb",
  "rgb": {
    "r": 64,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 221.951,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.5242,
    "c": 0.14169,
    "h": 264.5
  },
  "luminance": 0.13985
}

Semantic roles & 50–950 ramp

primary

#4065BB

secondary

#C8B78F

accent

#AF4FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #4065BB

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

Preview Lab → · Contrast checker → · Palette generator →