#406BD4#406BD4

#406BD4 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.4% C 0.169 H 264.7°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#406BD4
RGB	rgb(64, 107, 212)
HSL	hsl(223, 63%, 54%)
HSV	hsv(223, 70%, 83%)
CMYK	cmyk(69.8%, 49.5%, 0%, 16.9%)
CIE-LAB	lab(47.44, 20.19, -58.52)
CIE-LCH	lch(47.44, 61.91, 289.04°)
OKLab	oklab(55.4% -0.0156 -0.168)
OKLCH	oklch(55.4% 0.169 264.7)
XYZ	xyz(19.2515, 16.3569, 64.4172)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BD4 #D4A940

analogous

#40B5D4 #406BD4 #5F40D4

triadic

#406BD4 #D4406B #6BD440

tetradic

#406BD4 #D440B5 #D4A940 #40D45F

square

#406BD4 #D440B5 #D4A940 #40D45F

split-complementary

#406BD4 #D45F40 #B5D440

monochromatic

#1C387D #274FAF #406BD4 #7292DF #A4B8EA

Accessibility & contrast

On white

4.92

#406BD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#406BD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BD4

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BD4	#FFFFFF	#000000	##FFFFFF
##406BD4	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E78D8

Deuteranopia (green-blind)

#006AD2

Tritanopia (blue-blind)

#008495

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406bd4;
/* rgb */ color: rgb(64, 107, 212);
/* oklch */ color: oklch(55.4% 0.169 264.7);

Tailwind

colors: {
  custom: {
    50: '#8694e2',
    500: '#406bd4',
    950: '#000000',
  },
}

SCSS

$custom: #406bd4;
$custom-light: #8694e2;
$custom-dark: #000000;

JSON

{
  "hex": "#406bd4",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 212
  },
  "hsl": {
    "h": 222.568,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55397,
    "c": 0.16872,
    "h": 264.7
  },
  "luminance": 0.16359
}

Semantic roles & 50–950 ramp

primary

#406BD4

secondary

#D7C598

accent

#B642E6

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #406BD4

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

Preview Lab → · Contrast checker → · Palette generator →