#406BD3#406BD3

#406BD3 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.3% C 0.167 H 264.6°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#406BD3
RGB	rgb(64, 107, 211)
HSL	hsl(222, 63%, 54%)
HSV	hsv(222, 70%, 83%)
CMYK	cmyk(69.7%, 49.3%, 0%, 17.3%)
CIE-LAB	lab(47.37, 19.83, -58.05)
CIE-LCH	lch(47.37, 61.35, 288.86°)
OKLab	oklab(55.33% -0.0157 -0.1666)
OKLCH	oklch(55.33% 0.167 264.6)
XYZ	xyz(19.1258, 16.3066, 63.7549)
Luminance	0.1631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BD3 #D3A840

analogous

#40B5D3 #406BD3 #5F40D3

triadic

#406BD3 #D3406B #6BD340

tetradic

#406BD3 #D340B5 #D3A840 #40D35F

square

#406BD3 #D340B5 #D3A840 #40D35F

split-complementary

#406BD3 #D35F40 #B5D340

monochromatic

#1D387C #284FAE #406BD3 #7292DE #A3B8EA

Accessibility & contrast

On white

4.93

#406BD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#406BD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BD3

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BD3	#FFFFFF	#000000	##FFFFFF
##406BD3	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3077D7

Deuteranopia (green-blind)

#006AD1

Tritanopia (blue-blind)

#008495

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406bd3;
/* rgb */ color: rgb(64, 107, 211);
/* oklch */ color: oklch(55.3% 0.167 264.6);

Tailwind

colors: {
  custom: {
    50: '#8694e1',
    500: '#406bd3',
    950: '#000000',
  },
}

SCSS

$custom: #406bd3;
$custom-light: #8694e1;
$custom-dark: #000000;

JSON

{
  "hex": "#406bd3",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 211
  },
  "hsl": {
    "h": 222.449,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.55327,
    "c": 0.16737,
    "h": 264.6
  },
  "luminance": 0.16309
}

Semantic roles & 50–950 ramp

primary

#406BD3

secondary

#D7C498

accent

#B642E6

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406BD3

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

Preview Lab → · Contrast checker → · Palette generator →