#406ED1#406ED1

#406ED1 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.8% C 0.161 H 263.4°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#406ED1
RGB	rgb(64, 110, 209)
HSL	hsl(221, 61%, 54%)
HSV	hsv(221, 69%, 82%)
CMYK	cmyk(69.4%, 47.4%, 0%, 18%)
CIE-LAB	lab(48.06, 17.22, -55.81)
CIE-LCH	lch(48.06, 58.40, 287.15°)
OKLab	oklab(55.81% -0.0186 -0.16)
OKLCH	oklch(55.81% 0.161 263.4)
XYZ	xyz(19.1948, 16.8433, 62.5487)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406ED1 #D1A340

analogous

#40B6D1 #406ED1 #5B40D1

triadic

#406ED1 #D1406E #6ED140

tetradic

#406ED1 #D140B6 #D1A340 #40D15B

square

#406ED1 #D140B6 #D1A340 #40D15B

split-complementary

#406ED1 #D15B40 #B6D140

monochromatic

#1D3A79 #2952AB #406ED1 #7193DD #A3B9E9

Accessibility & contrast

On white

4.81

#406ED1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#406ED1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406ED1

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406ED1	#FFFFFF	#000000	##FFFFFF
##406ED1	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3979D5

Deuteranopia (green-blind)

#156CCF

Tritanopia (blue-blind)

#008595

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #406ed1;
/* rgb */ color: rgb(64, 110, 209);
/* oklch */ color: oklch(55.8% 0.161 263.4);

Tailwind

colors: {
  custom: {
    50: '#8597e0',
    500: '#406ed1',
    950: '#000000',
  },
}

SCSS

$custom: #406ed1;
$custom-light: #8597e0;
$custom-dark: #000000;

JSON

{
  "hex": "#406ed1",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 209
  },
  "hsl": {
    "h": 220.966,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55812,
    "c": 0.16105,
    "h": 263.4
  },
  "luminance": 0.16845
}

Semantic roles & 50–950 ramp

primary

#406ED1

secondary

#D5C297

accent

#B144E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406ED1

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

Preview Lab → · Contrast checker → · Palette generator →