#406CD8#406CD8

#406CD8 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.9% C 0.173 H 264.7°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#406CD8
RGB	rgb(64, 108, 216)
HSL	hsl(223, 66%, 55%)
HSV	hsv(223, 70%, 85%)
CMYK	cmyk(70.4%, 50%, 0%, 15.3%)
CIE-LAB	lab(47.97, 21.00, -59.94)
CIE-LCH	lch(47.97, 63.51, 289.31°)
OKLab	oklab(55.89% -0.016 -0.1722)
OKLCH	oklch(55.89% 0.173 264.7)
XYZ	xyz(19.8672, 16.7709, 67.1425)
Luminance	0.1677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CD8 #D8AC40

analogous

#40B8D8 #406CD8 #6040D8

triadic

#406CD8 #D8406C #6CD840

tetradic

#406CD8 #D840B8 #D8AC40 #40D860

square

#406CD8 #D840B8 #D8AC40 #40D860

split-complementary

#406CD8 #D86040 #B8D840

monochromatic

#1B3983 #254FB6 #406CD8 #7393E2 #A6BAED

Accessibility & contrast

On white

4.82

#406CD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#406CD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CD8

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CD8	#FFFFFF	#000000	##FFFFFF
##406CD8	1.00	4.82	4.35	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C79DC

Deuteranopia (green-blind)

#006BD6

Tritanopia (blue-blind)

#008698

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #406cd8;
/* rgb */ color: rgb(64, 108, 216);
/* oklch */ color: oklch(55.9% 0.173 264.7);

Tailwind

colors: {
  custom: {
    50: '#8795e5',
    500: '#406cd8',
    950: '#000000',
  },
}

SCSS

$custom: #406cd8;
$custom-light: #8795e5;
$custom-dark: #000000;

JSON

{
  "hex": "#406cd8",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 216
  },
  "hsl": {
    "h": 222.632,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.55885,
    "c": 0.17291,
    "h": 264.7
  },
  "luminance": 0.16773
}

Semantic roles & 50–950 ramp

primary

#406CD8

secondary

#DAC79A

accent

#B83FE9

background

#F9F9FE

surface

#F1F1FC

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406CD8

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

Preview Lab → · Contrast checker → · Palette generator →