#406ED0#406ED0

#406ED0 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.7% C 0.160 H 263.3°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#406ED0
RGB	rgb(64, 110, 208)
HSL	hsl(221, 61%, 53%)
HSV	hsv(221, 69%, 82%)
CMYK	cmyk(69.2%, 47.1%, 0%, 18.4%)
CIE-LAB	lab(48.00, 16.86, -55.34)
CIE-LCH	lch(48.00, 57.85, 286.94°)
OKLab	oklab(55.74% -0.0187 -0.1586)
OKLCH	oklch(55.74% 0.16 263.3)
XYZ	xyz(19.0714, 16.7940, 61.8988)
Luminance	0.1680 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406ED0 #D0A240

analogous

#40B6D0 #406ED0 #5A40D0

triadic

#406ED0 #D0406E #6ED040

tetradic

#406ED0 #D040B6 #D0A240 #40D05A

square

#406ED0 #D040B6 #D0A240 #40D05A

split-complementary

#406ED0 #D05A40 #B6D040

monochromatic

#1E3A78 #2A52A9 #406ED0 #7193DC #A2B9E8

Accessibility & contrast

On white

4.82

#406ED0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#406ED0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406ED0

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406ED0	#FFFFFF	#000000	##FFFFFF
##406ED0	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A79D4

Deuteranopia (green-blind)

#186CCE

Tritanopia (blue-blind)

#008595

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #406ed0;
/* rgb */ color: rgb(64, 110, 208);
/* oklch */ color: oklch(55.7% 0.160 263.3);

Tailwind

colors: {
  custom: {
    50: '#8597df',
    500: '#406ed0',
    950: '#000000',
  },
}

SCSS

$custom: #406ed0;
$custom-light: #8597df;
$custom-dark: #000000;

JSON

{
  "hex": "#406ed0",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 208
  },
  "hsl": {
    "h": 220.833,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.55743,
    "c": 0.15969,
    "h": 263.3
  },
  "luminance": 0.16796
}

Semantic roles & 50–950 ramp

primary

#406ED0

secondary

#D5C197

accent

#B144E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406ED0

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

Preview Lab → · Contrast checker → · Palette generator →