#4064B4#4064B4

#4064B4 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.7% C 0.133 H 264.1°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#4064B4
RGB	rgb(64, 100, 180)
HSL	hsl(221, 48%, 48%)
HSV	hsv(221, 64%, 71%)
CMYK	cmyk(64.4%, 44.4%, 0%, 29.4%)
CIE-LAB	lab(43.50, 13.16, -46.37)
CIE-LCH	lch(43.50, 48.20, 285.84°)
OKLab	oklab(51.74% -0.0137 -0.1324)
OKLCH	oklch(51.74% 0.133 264.1)
XYZ	xyz(14.9069, 13.4982, 44.9910)
Luminance	0.1350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4064B4 #B49040

analogous

#409EB4 #4064B4 #5640B4

triadic

#4064B4 #B44064 #64B440

tetradic

#4064B4 #B4409E #B49040 #40B456

square

#4064B4 #B4409E #B49040 #40B456

split-complementary

#4064B4 #B45640 #9EB440

monochromatic

#20325A #304B87 #4064B4 #6886C9 #95AAD9

Accessibility & contrast

On white

5.68

#4064B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#4064B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4064B4

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4064B4	#FFFFFF	#000000	##FFFFFF
##4064B4	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6CB7

Deuteranopia (green-blind)

#2B62B2

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4064b4;
/* rgb */ color: rgb(64, 100, 180);
/* oklch */ color: oklch(51.7% 0.133 264.1);

Tailwind

colors: {
  custom: {
    50: '#808fcb',
    500: '#4064b4',
    950: '#000000',
  },
}

SCSS

$custom: #4064b4;
$custom-light: #808fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#4064b4",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 180
  },
  "hsl": {
    "h": 221.379,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.51742,
    "c": 0.13309,
    "h": 264.1
  },
  "luminance": 0.135
}

Semantic roles & 50–950 ramp

primary

#4064B4

secondary

#C5B38B

accent

#AD51D7

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4064B4

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

Preview Lab → · Contrast checker → · Palette generator →