#406AC8#406AC8

#406AC8 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.4% C 0.154 H 263.9°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#406AC8
RGB	rgb(64, 106, 200)
HSL	hsl(221, 55%, 52%)
HSV	hsv(221, 68%, 78%)
CMYK	cmyk(68%, 47%, 0%, 21.6%)
CIE-LAB	lab(46.40, 16.51, -53.32)
CIE-LCH	lch(46.40, 55.82, 287.20°)
OKLab	oklab(54.36% -0.0163 -0.1527)
OKLCH	oklch(54.36% 0.154 263.9)
XYZ	xyz(17.6900, 15.5664, 56.7047)
Luminance	0.1557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406AC8 #C89E40

analogous

#40AEC8 #406AC8 #5A40C8

triadic

#406AC8 #C8406A #6AC840

tetradic

#406AC8 #C840AE #C89E40 #40C85A

square

#406AC8 #C840AE #C89E40 #40C85A

split-complementary

#406AC8 #C85A40 #AEC840

monochromatic

#20386E #2D509D #406AC8 #708FD6 #9FB4E3

Accessibility & contrast

On white

5.11

#406AC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#406AC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406AC8

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406AC8	#FFFFFF	#000000	##FFFFFF
##406AC8	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3975CB

Deuteranopia (green-blind)

#1B68C6

Tritanopia (blue-blind)

#00808F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406ac8;
/* rgb */ color: rgb(64, 106, 200);
/* oklch */ color: oklch(54.4% 0.154 263.9);

Tailwind

colors: {
  custom: {
    50: '#8494d9',
    500: '#406ac8',
    950: '#000000',
  },
}

SCSS

$custom: #406ac8;
$custom-light: #8494d9;
$custom-dark: #000000;

JSON

{
  "hex": "#406ac8",
  "rgb": {
    "r": 64,
    "g": 106,
    "b": 200
  },
  "hsl": {
    "h": 221.471,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.54358,
    "c": 0.1536,
    "h": 263.9
  },
  "luminance": 0.15568
}

Semantic roles & 50–950 ramp

primary

#406AC8

secondary

#D0BD94

accent

#B049DF

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406AC8

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

Preview Lab → · Contrast checker → · Palette generator →