#406DD4#406DD4

#406DD4 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.8% C 0.166 H 264.0°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#406DD4
RGB	rgb(64, 109, 212)
HSL	hsl(222, 63%, 54%)
HSV	hsv(222, 70%, 83%)
CMYK	cmyk(69.8%, 48.6%, 0%, 16.9%)
CIE-LAB	lab(47.98, 18.93, -57.65)
CIE-LCH	lch(47.98, 60.68, 288.18°)
OKLab	oklab(55.81% -0.0173 -0.1654)
OKLCH	oklch(55.81% 0.166 264)
XYZ	xyz(19.4625, 16.7787, 64.4875)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406DD4 #D4A740

analogous

#40B7D4 #406DD4 #5D40D4

triadic

#406DD4 #D4406D #6DD440

tetradic

#406DD4 #D440B7 #D4A740 #40D45D

square

#406DD4 #D440B7 #D4A740 #40D45D

split-complementary

#406DD4 #D45D40 #B7D440

monochromatic

#1C3A7D #2751AF #406DD4 #7293DF #A4B9EA

Accessibility & contrast

On white

4.82

#406DD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#406DD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406DD4

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406DD4	#FFFFFF	#000000	##FFFFFF
##406DD4	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)

#3479D8

Deuteranopia (green-blind)

#016BD2

Tritanopia (blue-blind)

#008596

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #406dd4;
/* rgb */ color: rgb(64, 109, 212);
/* oklch */ color: oklch(55.8% 0.166 264.0);

Tailwind

colors: {
  custom: {
    50: '#8696e2',
    500: '#406dd4',
    950: '#000000',
  },
}

SCSS

$custom: #406dd4;
$custom-light: #8696e2;
$custom-dark: #000000;

JSON

{
  "hex": "#406dd4",
  "rgb": {
    "r": 64,
    "g": 109,
    "b": 212
  },
  "hsl": {
    "h": 221.757,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5581,
    "c": 0.16631,
    "h": 264
  },
  "luminance": 0.16781
}

Semantic roles & 50–950 ramp

primary

#406DD4

secondary

#D7C498

accent

#B442E6

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406DD4

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

Preview Lab → · Contrast checker → · Palette generator →