#406ED4#406ED4

#406ED4 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.0% C 0.165 H 263.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#406ED4
RGB	rgb(64, 110, 212)
HSL	hsl(221, 63%, 54%)
HSV	hsv(221, 70%, 83%)
CMYK	cmyk(69.8%, 48.1%, 0%, 16.9%)
CIE-LAB	lab(48.25, 18.30, -57.21)
CIE-LCH	lch(48.25, 60.07, 287.74°)
OKLab	oklab(56.02% -0.0182 -0.1641)
OKLCH	oklch(56.02% 0.165 263.7)
XYZ	xyz(19.5697, 16.9933, 64.5233)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406ED4 #D4A640

analogous

#40B8D4 #406ED4 #5C40D4

triadic

#406ED4 #D4406E #6ED440

tetradic

#406ED4 #D440B8 #D4A640 #40D45C

square

#406ED4 #D440B8 #D4A640 #40D45C

split-complementary

#406ED4 #D45C40 #B8D440

monochromatic

#1C3A7D #2752AF #406ED4 #7294DF #A4BAEA

Accessibility & contrast

On white

4.77

#406ED4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#406ED4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406ED4

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406ED4	#FFFFFF	#000000	##FFFFFF
##406ED4	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#367AD8

Deuteranopia (green-blind)

#0A6CD2

Tritanopia (blue-blind)

#008697

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #406ed4;
/* rgb */ color: rgb(64, 110, 212);
/* oklch */ color: oklch(56.0% 0.165 263.7);

Tailwind

colors: {
  custom: {
    50: '#8697e2',
    500: '#406ed4',
    950: '#000000',
  },
}

SCSS

$custom: #406ed4;
$custom-light: #8697e2;
$custom-dark: #000000;

JSON

{
  "hex": "#406ed4",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 212
  },
  "hsl": {
    "h": 221.351,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.56017,
    "c": 0.1651,
    "h": 263.7
  },
  "luminance": 0.16995
}

Semantic roles & 50–950 ramp

primary

#406ED4

secondary

#D7C498

accent

#B342E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406ED4

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

Preview Lab → · Contrast checker → · Palette generator →