#406BD5#406BD5

#406BD5 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.5% C 0.170 H 264.8°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#406BD5
RGB	rgb(64, 107, 213)
HSL	hsl(223, 64%, 54%)
HSV	hsv(223, 70%, 84%)
CMYK	cmyk(70%, 49.8%, 0%, 16.5%)
CIE-LAB	lab(47.50, 20.55, -58.98)
CIE-LCH	lch(47.50, 62.46, 289.21°)
OKLab	oklab(55.47% -0.0154 -0.1694)
OKLCH	oklch(55.47% 0.17 264.8)
XYZ	xyz(19.3781, 16.4075, 65.0836)
Luminance	0.1641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BD5 #D5AA40

analogous

#40B5D5 #406BD5 #6040D5

triadic

#406BD5 #D5406B #6BD540

tetradic

#406BD5 #D540B5 #D5AA40 #40D560

square

#406BD5 #D540B5 #D5AA40 #40D560

split-complementary

#406BD5 #D56040 #B5D540

monochromatic

#1C387F #274FB1 #406BD5 #7292E0 #A4B9EB

Accessibility & contrast

On white

4.90

#406BD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#406BD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BD5

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BD5	#FFFFFF	#000000	##FFFFFF
##406BD5	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)

#2D78D9

Deuteranopia (green-blind)

#006AD3

Tritanopia (blue-blind)

#008496

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406bd5;
/* rgb */ color: rgb(64, 107, 213);
/* oklch */ color: oklch(55.5% 0.170 264.8);

Tailwind

colors: {
  custom: {
    50: '#8694e3',
    500: '#406bd5',
    950: '#000000',
  },
}

SCSS

$custom: #406bd5;
$custom-light: #8694e3;
$custom-dark: #000000;

JSON

{
  "hex": "#406bd5",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 213
  },
  "hsl": {
    "h": 222.685,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.55468,
    "c": 0.17007,
    "h": 264.8
  },
  "luminance": 0.16409
}

Semantic roles & 50–950 ramp

primary

#406BD5

secondary

#D8C699

accent

#B741E7

background

#F8F9FE

surface

#F0F1FC

border

#CBCBD5

text

#0D0D15

muted

#7D7E84

Preview Lab

Preview with #406BD5

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

Preview Lab → · Contrast checker → · Palette generator →