#406DB5#406DB5

#406DB5 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 53.8% C 0.124 H 259.4°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#406DB5
RGB	rgb(64, 109, 181)
HSL	hsl(217, 48%, 48%)
HSV	hsv(217, 65%, 71%)
CMYK	cmyk(64.6%, 39.8%, 0%, 29%)
CIE-LAB	lab(46.13, 7.83, -42.78)
CIE-LCH	lch(46.13, 43.49, 280.38°)
OKLab	oklab(53.79% -0.0228 -0.1217)
OKLCH	oklch(53.79% 0.124 259.4)
XYZ	xyz(15.9205, 15.3620, 45.8332)
Luminance	0.1536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406DB5 #B58840

analogous

#40A7B5 #406DB5 #4D40B5

triadic

#406DB5 #B5406D #6DB540

tetradic

#406DB5 #B540A7 #B58840 #40B54D

square

#406DB5 #B540A7 #B58840 #40B54D

split-complementary

#406DB5 #B54D40 #A7B540

monochromatic

#20375B #305288 #406DB5 #688ECA #96B0DA

Accessibility & contrast

On white

5.16

#406DB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#406DB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406DB5

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406DB5	#FFFFFF	#000000	##FFFFFF
##406DB5	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D73B8

Deuteranopia (green-blind)

#3C68B4

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #406db5;
/* rgb */ color: rgb(64, 109, 181);
/* oklch */ color: oklch(53.8% 0.124 259.4);

Tailwind

colors: {
  custom: {
    50: '#8096cb',
    500: '#406db5',
    950: '#000000',
  },
}

SCSS

$custom: #406db5;
$custom-light: #8096cb;
$custom-dark: #000000;

JSON

{
  "hex": "#406db5",
  "rgb": {
    "r": 64,
    "g": 109,
    "b": 181
  },
  "hsl": {
    "h": 216.923,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53785,
    "c": 0.12382,
    "h": 259.4
  },
  "luminance": 0.15363
}

Semantic roles & 50–950 ramp

primary

#406DB5

secondary

#C5AF8B

accent

#A350D7

background

#F8F9FC

surface

#EFF1F8

border

#CACBD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406DB5

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

Preview Lab → · Contrast checker → · Palette generator →