#406CD1#406CD1

#406CD1 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.4% C 0.163 H 264.1°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#406CD1
RGB	rgb(64, 108, 209)
HSL	hsl(222, 61%, 54%)
HSV	hsv(222, 69%, 82%)
CMYK	cmyk(69.4%, 48.3%, 0%, 18%)
CIE-LAB	lab(47.52, 18.48, -56.68)
CIE-LCH	lch(47.52, 59.62, 288.06°)
OKLab	oklab(55.39% -0.0168 -0.1626)
OKLCH	oklch(55.39% 0.163 264.1)
XYZ	xyz(18.9815, 16.4166, 62.4776)
Luminance	0.1642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CD1 #D1A540

analogous

#40B4D1 #406CD1 #5C40D1

triadic

#406CD1 #D1406C #6CD140

tetradic

#406CD1 #D140B4 #D1A540 #40D15C

square

#406CD1 #D140B4 #D1A540 #40D15C

split-complementary

#406CD1 #D15C40 #B4D140

monochromatic

#1D3979 #2950AB #406CD1 #7192DD #A3B8E9

Accessibility & contrast

On white

4.90

#406CD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#406CD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CD1

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CD1	#FFFFFF	#000000	##FFFFFF
##406CD1	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3578D5

Deuteranopia (green-blind)

#086ACF

Tritanopia (blue-blind)

#008494

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406cd1;
/* rgb */ color: rgb(64, 108, 209);
/* oklch */ color: oklch(55.4% 0.163 264.1);

Tailwind

colors: {
  custom: {
    50: '#8595e0',
    500: '#406cd1',
    950: '#000000',
  },
}

SCSS

$custom: #406cd1;
$custom-light: #8595e0;
$custom-dark: #000000;

JSON

{
  "hex": "#406cd1",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 209
  },
  "hsl": {
    "h": 221.793,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55394,
    "c": 0.16346,
    "h": 264.1
  },
  "luminance": 0.16419
}

Semantic roles & 50–950 ramp

primary

#406CD1

secondary

#D5C397

accent

#B444E4

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406CD1

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

Preview Lab → · Contrast checker → · Palette generator →