#406BD1#406BD1

#406BD1 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.2% C 0.165 H 264.4°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#406BD1
RGB	rgb(64, 107, 209)
HSL	hsl(222, 61%, 54%)
HSV	hsv(222, 69%, 82%)
CMYK	cmyk(69.4%, 48.8%, 0%, 18%)
CIE-LAB	lab(47.24, 19.11, -57.12)
CIE-LCH	lch(47.24, 60.23, 288.50°)
OKLab	oklab(55.19% -0.0159 -0.1639)
OKLCH	oklch(55.19% 0.165 264.4)
XYZ	xyz(18.8766, 16.2069, 62.4427)
Luminance	0.1621 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BD1 #D1A640

analogous

#40B3D1 #406BD1 #5D40D1

triadic

#406BD1 #D1406B #6BD140

tetradic

#406BD1 #D140B3 #D1A640 #40D15D

square

#406BD1 #D140B3 #D1A640 #40D15D

split-complementary

#406BD1 #D15D40 #B3D140

monochromatic

#1D3979 #2950AB #406BD1 #7191DD #A3B7E9

Accessibility & contrast

On white

4.95

#406BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#406BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BD1

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BD1	#FFFFFF	#000000	##FFFFFF
##406BD1	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3277D5

Deuteranopia (green-blind)

#006ACF

Tritanopia (blue-blind)

#008394

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406bd1;
/* rgb */ color: rgb(64, 107, 209);
/* oklch */ color: oklch(55.2% 0.165 264.4);

Tailwind

colors: {
  custom: {
    50: '#8594e0',
    500: '#406bd1',
    950: '#000000',
  },
}

SCSS

$custom: #406bd1;
$custom-light: #8594e0;
$custom-dark: #000000;

JSON

{
  "hex": "#406bd1",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 209
  },
  "hsl": {
    "h": 222.207,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55187,
    "c": 0.16466,
    "h": 264.4
  },
  "luminance": 0.16209
}

Semantic roles & 50–950 ramp

primary

#406BD1

secondary

#D5C397

accent

#B544E4

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406BD1

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

Preview Lab → · Contrast checker → · Palette generator →