#406AD4#406AD4

#406AD4 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.2% C 0.170 H 265.0°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#406AD4
RGB	rgb(64, 106, 212)
HSL	hsl(223, 63%, 54%)
HSV	hsv(223, 70%, 83%)
CMYK	cmyk(69.8%, 50%, 0%, 16.9%)
CIE-LAB	lab(47.17, 20.83, -58.95)
CIE-LCH	lch(47.17, 62.52, 289.46°)
OKLab	oklab(55.19% -0.0147 -0.1693)
OKLCH	oklch(55.19% 0.17 265)
XYZ	xyz(19.1479, 16.1496, 64.3826)
Luminance	0.1615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406AD4 #D4AA40

analogous

#40B4D4 #406AD4 #6040D4

triadic

#406AD4 #D4406A #6AD440

tetradic

#406AD4 #D440B4 #D4AA40 #40D460

square

#406AD4 #D440B4 #D4AA40 #40D460

split-complementary

#406AD4 #D46040 #B4D440

monochromatic

#1C387D #274EAF #406AD4 #7291DF #A4B8EA

Accessibility & contrast

On white

4.96

#406AD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#406AD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406AD4

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406AD4	#FFFFFF	#000000	##FFFFFF
##406AD4	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B77D8

Deuteranopia (green-blind)

#0069D2

Tritanopia (blue-blind)

#008395

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406ad4;
/* rgb */ color: rgb(64, 106, 212);
/* oklch */ color: oklch(55.2% 0.170 265.0);

Tailwind

colors: {
  custom: {
    50: '#8694e2',
    500: '#406ad4',
    950: '#000000',
  },
}

SCSS

$custom: #406ad4;
$custom-light: #8694e2;
$custom-dark: #000000;

JSON

{
  "hex": "#406ad4",
  "rgb": {
    "r": 64,
    "g": 106,
    "b": 212
  },
  "hsl": {
    "h": 222.973,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55192,
    "c": 0.16994,
    "h": 265
  },
  "luminance": 0.16152
}

Semantic roles & 50–950 ramp

primary

#406AD4

secondary

#D7C698

accent

#B842E6

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #406AD4

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

Preview Lab → · Contrast checker → · Palette generator →