#4064B9#4064B9

#4064B9 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.140 H 264.7°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#4064B9
RGB	rgb(64, 100, 185)
HSL	hsl(222, 49%, 49%)
HSV	hsv(222, 65%, 73%)
CMYK	cmyk(65.4%, 45.9%, 0%, 27.5%)
CIE-LAB	lab(43.81, 14.94, -48.80)
CIE-LCH	lch(43.81, 51.04, 287.02°)
OKLab	oklab(52.07% -0.0129 -0.1395)
OKLCH	oklch(52.07% 0.14 264.7)
XYZ	xyz(15.4254, 13.7057, 47.7221)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4064B9 #B99540

analogous

#40A1B9 #4064B9 #5940B9

triadic

#4064B9 #B94064 #64B940

tetradic

#4064B9 #B940A1 #B99540 #40B959

square

#4064B9 #B940A1 #B99540 #40B959

split-complementary

#4064B9 #B95940 #A1B940

monochromatic

#21335E #304B8C #4064B9 #6B87CC #98ACDB

Accessibility & contrast

On white

5.61

#4064B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#4064B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4064B9

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4064B9	#FFFFFF	#000000	##FFFFFF
##4064B9	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6DBC

Deuteranopia (green-blind)

#2462B7

Tritanopia (blue-blind)

#007885

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4064b9;
/* rgb */ color: rgb(64, 100, 185);
/* oklch */ color: oklch(52.1% 0.140 264.7);

Tailwind

colors: {
  custom: {
    50: '#818fce',
    500: '#4064b9',
    950: '#000000',
  },
}

SCSS

$custom: #4064b9;
$custom-light: #818fce;
$custom-dark: #000000;

JSON

{
  "hex": "#4064b9",
  "rgb": {
    "r": 64,
    "g": 100,
    "b": 185
  },
  "hsl": {
    "h": 222.149,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.52072,
    "c": 0.14012,
    "h": 264.7
  },
  "luminance": 0.13707
}

Semantic roles & 50–950 ramp

primary

#4064B9

secondary

#C7B68E

accent

#B050D8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #4064B9

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

Preview Lab → · Contrast checker → · Palette generator →