#406ED5#406ED5

#406ED5 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.1% C 0.166 H 263.8°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#406ED5
RGB	rgb(64, 110, 213)
HSL	hsl(221, 64%, 54%)
HSV	hsv(221, 70%, 84%)
CMYK	cmyk(70%, 48.4%, 0%, 16.5%)
CIE-LAB	lab(48.32, 18.66, -57.68)
CIE-LCH	lch(48.32, 60.62, 287.93°)
OKLab	oklab(56.09% -0.018 -0.1655)
OKLCH	oklch(56.09% 0.166 263.8)
XYZ	xyz(19.6963, 17.0439, 65.1897)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406ED5 #D5A740

analogous

#40B8D5 #406ED5 #5D40D5

triadic

#406ED5 #D5406E #6ED540

tetradic

#406ED5 #D540B8 #D5A740 #40D55D

square

#406ED5 #D540B8 #D5A740 #40D55D

split-complementary

#406ED5 #D55D40 #B8D540

monochromatic

#1C3A7F #2752B1 #406ED5 #7294E0 #A4BAEB

Accessibility & contrast

On white

4.76

#406ED5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#406ED5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406ED5

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406ED5	#FFFFFF	#000000	##FFFFFF
##406ED5	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#357AD9

Deuteranopia (green-blind)

#046CD3

Tritanopia (blue-blind)

#008697

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #406ed5;
/* rgb */ color: rgb(64, 110, 213);
/* oklch */ color: oklch(56.1% 0.166 263.8);

Tailwind

colors: {
  custom: {
    50: '#8697e2',
    500: '#406ed5',
    950: '#000000',
  },
}

SCSS

$custom: #406ed5;
$custom-light: #8697e2;
$custom-dark: #000000;

JSON

{
  "hex": "#406ed5",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 213
  },
  "hsl": {
    "h": 221.477,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56087,
    "c": 0.16646,
    "h": 263.8
  },
  "luminance": 0.17046
}

Semantic roles & 50–950 ramp

primary

#406ED5

secondary

#D8C499

accent

#B441E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #406ED5

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

Preview Lab → · Contrast checker → · Palette generator →