#406BD9#406BD9

#406BD9 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.8% C 0.175 H 265.1°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#406BD9
RGB	rgb(64, 107, 217)
HSL	hsl(223, 67%, 55%)
HSV	hsv(223, 71%, 85%)
CMYK	cmyk(70.5%, 50.7%, 0%, 14.9%)
CIE-LAB	lab(47.77, 21.99, -60.83)
CIE-LCH	lch(47.77, 64.69, 289.88°)
OKLab	oklab(55.75% -0.015 -0.1748)
OKLCH	oklch(55.75% 0.175 265.1)
XYZ	xyz(19.8920, 16.6131, 67.7905)
Luminance	0.1661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BD9 #D9AE40

analogous

#40B8D9 #406BD9 #6140D9

triadic

#406BD9 #D9406B #6BD940

tetradic

#406BD9 #D940B8 #D9AE40 #40D961

square

#406BD9 #D940B8 #D9AE40 #40D961

split-complementary

#406BD9 #D96140 #B8D940

monochromatic

#1A3884 #244EB7 #406BD9 #7393E3 #A6BAED

Accessibility & contrast

On white

4.86

#406BD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#406BD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BD9

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BD9	#FFFFFF	#000000	##FFFFFF
##406BD9	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2779DD

Deuteranopia (green-blind)

#006BD7

Tritanopia (blue-blind)

#008598

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406bd9;
/* rgb */ color: rgb(64, 107, 217);
/* oklch */ color: oklch(55.8% 0.175 265.1);

Tailwind

colors: {
  custom: {
    50: '#8794e5',
    500: '#406bd9',
    950: '#000000',
  },
}

SCSS

$custom: #406bd9;
$custom-light: #8794e5;
$custom-dark: #000000;

JSON

{
  "hex": "#406bd9",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 217
  },
  "hsl": {
    "h": 223.137,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.55753,
    "c": 0.17545,
    "h": 265.1
  },
  "luminance": 0.16615
}

Semantic roles & 50–950 ramp

primary

#406BD9

secondary

#DAC89A

accent

#B93EEA

background

#F9F9FE

surface

#F1F1FC

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406BD9

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

Preview Lab → · Contrast checker → · Palette generator →