#406DB8#406DB8

#406DB8 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.0% C 0.128 H 260.0°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#406DB8
RGB	rgb(64, 109, 184)
HSL	hsl(218, 48%, 49%)
HSV	hsv(218, 65%, 72%)
CMYK	cmyk(65.2%, 40.8%, 0%, 27.8%)
CIE-LAB	lab(46.29, 8.90, -44.25)
CIE-LCH	lch(46.29, 45.14, 281.37°)
OKLab	oklab(53.97% -0.0221 -0.126)
OKLCH	oklch(53.97% 0.128 260)
XYZ	xyz(16.2316, 15.4864, 47.4719)
Luminance	0.1549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406DB8 #B88B40

analogous

#40A9B8 #406DB8 #4F40B8

triadic

#406DB8 #B8406D #6DB840

tetradic

#406DB8 #B840A9 #B88B40 #40B84F

square

#406DB8 #B840A9 #B88B40 #40B84F

split-complementary

#406DB8 #B84F40 #A9B840

monochromatic

#20375D #30528B #406DB8 #6A8ECB #97B1DB

Accessibility & contrast

On white

5.12

#406DB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#406DB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406DB8

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406DB8	#FFFFFF	#000000	##FFFFFF
##406DB8	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B74BB

Deuteranopia (green-blind)

#3969B6

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406db8;
/* rgb */ color: rgb(64, 109, 184);
/* oklch */ color: oklch(54.0% 0.128 260.0);

Tailwind

colors: {
  custom: {
    50: '#8196ce',
    500: '#406db8',
    950: '#000000',
  },
}

SCSS

$custom: #406db8;
$custom-light: #8196ce;
$custom-dark: #000000;

JSON

{
  "hex": "#406db8",
  "rgb": {
    "r": 64,
    "g": 109,
    "b": 184
  },
  "hsl": {
    "h": 217.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.53969,
    "c": 0.12797,
    "h": 260
  },
  "luminance": 0.15488
}

Semantic roles & 50–950 ramp

primary

#406DB8

secondary

#C7B18D

accent

#A550D8

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406DB8

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

Preview Lab → · Contrast checker → · Palette generator →