#406CD4#406CD4

#406CD4 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.6% C 0.168 H 264.4°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#406CD4
RGB	rgb(64, 108, 212)
HSL	hsl(222, 63%, 54%)
HSV	hsv(222, 70%, 83%)
CMYK	cmyk(69.8%, 49.1%, 0%, 16.9%)
CIE-LAB	lab(47.71, 19.56, -58.08)
CIE-LCH	lch(47.71, 61.29, 288.61°)
OKLab	oklab(55.6% -0.0164 -0.1667)
OKLCH	oklch(55.6% 0.168 264.4)
XYZ	xyz(19.3564, 16.5666, 64.4522)
Luminance	0.1657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CD4 #D4A840

analogous

#40B6D4 #406CD4 #5E40D4

triadic

#406CD4 #D4406C #6CD440

tetradic

#406CD4 #D440B6 #D4A840 #40D45E

square

#406CD4 #D440B6 #D4A840 #40D45E

split-complementary

#406CD4 #D45E40 #B6D440

monochromatic

#1C397D #2750AF #406CD4 #7292DF #A4B9EA

Accessibility & contrast

On white

4.87

#406CD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#406CD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CD4

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CD4	#FFFFFF	#000000	##FFFFFF
##406CD4	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3178D8

Deuteranopia (green-blind)

#006BD2

Tritanopia (blue-blind)

#008596

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406cd4;
/* rgb */ color: rgb(64, 108, 212);
/* oklch */ color: oklch(55.6% 0.168 264.4);

Tailwind

colors: {
  custom: {
    50: '#8695e2',
    500: '#406cd4',
    950: '#000000',
  },
}

SCSS

$custom: #406cd4;
$custom-light: #8695e2;
$custom-dark: #000000;

JSON

{
  "hex": "#406cd4",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 212
  },
  "hsl": {
    "h": 222.162,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55603,
    "c": 0.16752,
    "h": 264.4
  },
  "luminance": 0.16569
}

Semantic roles & 50–950 ramp

primary

#406CD4

secondary

#D7C598

accent

#B542E6

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406CD4

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

Preview Lab → · Contrast checker → · Palette generator →