#406DD5#406DD5

#406DD5 is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.9% C 0.168 H 264.1°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#406DD5
RGB	rgb(64, 109, 213)
HSL	hsl(222, 64%, 54%)
HSV	hsv(222, 70%, 84%)
CMYK	cmyk(70%, 48.8%, 0%, 16.5%)
CIE-LAB	lab(48.04, 19.29, -58.11)
CIE-LCH	lch(48.04, 61.23, 288.36°)
OKLab	oklab(55.88% -0.0172 -0.1668)
OKLCH	oklch(55.88% 0.168 264.1)
XYZ	xyz(19.5890, 16.8293, 65.1539)
Luminance	0.1683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406DD5 #D5A840

analogous

#40B8D5 #406DD5 #5E40D5

triadic

#406DD5 #D5406D #6DD540

tetradic

#406DD5 #D540B8 #D5A840 #40D55E

square

#406DD5 #D540B8 #D5A840 #40D55E

split-complementary

#406DD5 #D55E40 #B8D540

monochromatic

#1C3A7F #2751B1 #406DD5 #7293E0 #A4BAEB

Accessibility & contrast

On white

4.81

#406DD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#406DD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406DD5

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406DD5	#FFFFFF	#000000	##FFFFFF
##406DD5	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)

#3279D9

Deuteranopia (green-blind)

#006CD3

Tritanopia (blue-blind)

#008697

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #406dd5;
/* rgb */ color: rgb(64, 109, 213);
/* oklch */ color: oklch(55.9% 0.168 264.1);

Tailwind

colors: {
  custom: {
    50: '#8696e3',
    500: '#406dd5',
    950: '#000000',
  },
}

SCSS

$custom: #406dd5;
$custom-light: #8696e3;
$custom-dark: #000000;

JSON

{
  "hex": "#406dd5",
  "rgb": {
    "r": 64,
    "g": 109,
    "b": 213
  },
  "hsl": {
    "h": 221.879,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.5588,
    "c": 0.16766,
    "h": 264.1
  },
  "luminance": 0.16831
}

Semantic roles & 50–950 ramp

primary

#406DD5

secondary

#D8C599

accent

#B541E7

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #406DD5

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

Preview Lab → · Contrast checker → · Palette generator →