#406BD8#406BD8

#406BD8 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.7% C 0.174 H 265.0°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#406BD8
RGB	rgb(64, 107, 216)
HSL	hsl(223, 66%, 55%)
HSV	hsv(223, 70%, 85%)
CMYK	cmyk(70.4%, 50.5%, 0%, 15.3%)
CIE-LAB	lab(47.70, 21.63, -60.37)
CIE-LCH	lch(47.70, 64.13, 289.71°)
OKLab	oklab(55.68% -0.0151 -0.1734)
OKLCH	oklch(55.68% 0.174 265)
XYZ	xyz(19.7624, 16.5612, 67.1076)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BD8 #D8AD40

analogous

#40B7D8 #406BD8 #6140D8

triadic

#406BD8 #D8406B #6BD840

tetradic

#406BD8 #D840B7 #D8AD40 #40D861

square

#406BD8 #D840B7 #D8AD40 #40D861

split-complementary

#406BD8 #D86140 #B7D840

monochromatic

#1B3883 #254EB6 #406BD8 #7392E2 #A6BAED

Accessibility & contrast

On white

4.87

#406BD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#406BD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BD8

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BD8	#FFFFFF	#000000	##FFFFFF
##406BD8	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2979DC

Deuteranopia (green-blind)

#006BD6

Tritanopia (blue-blind)

#008597

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406bd8;
/* rgb */ color: rgb(64, 107, 216);
/* oklch */ color: oklch(55.7% 0.174 265.0);

Tailwind

colors: {
  custom: {
    50: '#8794e5',
    500: '#406bd8',
    950: '#000000',
  },
}

SCSS

$custom: #406bd8;
$custom-light: #8794e5;
$custom-dark: #000000;

JSON

{
  "hex": "#406bd8",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 216
  },
  "hsl": {
    "h": 223.026,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.55682,
    "c": 0.17411,
    "h": 265
  },
  "luminance": 0.16563
}

Semantic roles & 50–950 ramp

primary

#406BD8

secondary

#DAC89A

accent

#B93FE9

background

#F9F9FE

surface

#F1F1FC

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406BD8

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

Preview Lab → · Contrast checker → · Palette generator →