#4064B7#4064B7

#4064B7 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.9% C 0.137 H 264.5°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#4064B7
RGB	rgb(64, 100, 183)
HSL	hsl(222, 48%, 48%)
HSV	hsv(222, 65%, 72%)
CMYK	cmyk(65%, 45.4%, 0%, 28.2%)
CIE-LAB	lab(43.69, 14.23, -47.83)
CIE-LCH	lch(43.69, 49.90, 286.56°)
OKLab	oklab(51.94% -0.0132 -0.1367)
OKLCH	oklch(51.94% 0.137 264.5)
XYZ	xyz(15.2158, 13.6218, 46.6180)
Luminance	0.1362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4064B7 #B79340

analogous

#409FB7 #4064B7 #5740B7

triadic

#4064B7 #B74064 #64B740

tetradic

#4064B7 #B7409F #B79340 #40B757

square

#4064B7 #B7409F #B79340 #40B757

split-complementary

#4064B7 #B75740 #9FB740

monochromatic

#20325C #304B8A #4064B7 #6987CB #97ABDB

Accessibility & contrast

On white

5.64

#4064B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#4064B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4064B7

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4064B7	#FFFFFF	#000000	##FFFFFF
##4064B7	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6DBA

Deuteranopia (green-blind)

#2762B5

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4064b7;
/* rgb */ color: rgb(64, 100, 183);
/* oklch */ color: oklch(51.9% 0.137 264.5);

Tailwind

colors: {
  custom: {
    50: '#818fcd',
    500: '#4064b7',
    950: '#000000',
  },
}

SCSS

$custom: #4064b7;
$custom-light: #818fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#4064b7",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 183
  },
  "hsl": {
    "h": 221.849,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.51939,
    "c": 0.13732,
    "h": 264.5
  },
  "luminance": 0.13623
}

Semantic roles & 50–950 ramp

primary

#4064B7

secondary

#C6B58D

accent

#AF50D8

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #4064B7

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

Preview Lab → · Contrast checker → · Palette generator →