#406DB9#406DB9

#406DB9 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.0% C 0.129 H 260.3°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#406DB9
RGB	rgb(64, 109, 185)
HSL	hsl(218, 49%, 49%)
HSV	hsv(218, 65%, 73%)
CMYK	cmyk(65.4%, 41.1%, 0%, 27.5%)
CIE-LAB	lab(46.35, 9.25, -44.74)
CIE-LCH	lch(46.35, 45.69, 281.68°)
OKLab	oklab(54.03% -0.0219 -0.1275)
OKLCH	oklch(54.03% 0.129 260.3)
XYZ	xyz(16.3368, 15.5285, 48.0259)
Luminance	0.1553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406DB9 #B98C40

analogous

#40AAB9 #406DB9 #5040B9

triadic

#406DB9 #B9406D #6DB940

tetradic

#406DB9 #B940AA #B98C40 #40B950

square

#406DB9 #B940AA #B98C40 #40B950

split-complementary

#406DB9 #B95040 #AAB940

monochromatic

#21375E #30528C #406DB9 #6B8FCC #98B1DB

Accessibility & contrast

On white

5.11

#406DB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#406DB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406DB9

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406DB9	#FFFFFF	#000000	##FFFFFF
##406DB9	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A74BC

Deuteranopia (green-blind)

#3869B7

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406db9;
/* rgb */ color: rgb(64, 109, 185);
/* oklch */ color: oklch(54.0% 0.129 260.3);

Tailwind

colors: {
  custom: {
    50: '#8196ce',
    500: '#406db9',
    950: '#000000',
  },
}

SCSS

$custom: #406db9;
$custom-light: #8196ce;
$custom-dark: #000000;

JSON

{
  "hex": "#406db9",
  "rgb": {
    "r": 64,
    "g": 109,
    "b": 185
  },
  "hsl": {
    "h": 217.686,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54031,
    "c": 0.12935,
    "h": 260.3
  },
  "luminance": 0.1553
}

Semantic roles & 50–950 ramp

primary

#406DB9

secondary

#C7B28E

accent

#A550D8

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #406DB9

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

Preview Lab → · Contrast checker → · Palette generator →