#406FDD#406FDD

#406FDD is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.9% C 0.176 H 264.2°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#406FDD
RGB	rgb(64, 111, 221)
HSL	hsl(222, 70%, 56%)
HSV	hsv(222, 71%, 87%)
CMYK	cmyk(71%, 49.8%, 0%, 13.3%)
CIE-LAB	lab(49.10, 20.91, -60.95)
CIE-LCH	lch(49.10, 64.44, 288.94°)
OKLab	oklab(56.85% -0.0179 -0.1751)
OKLCH	oklch(56.85% 0.176 264.2)
XYZ	xyz(20.8453, 17.6771, 70.7060)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FDD #DDAE40

analogous

#40BEDD #406FDD #5F40DD

triadic

#406FDD #DD406F #6FDD40

tetradic

#406FDD #DD40BE #DDAE40 #40DD5F

square

#406FDD #DD40BE #DDAE40 #40DD5F

split-complementary

#406FDD #DD5F40 #BEDD40

monochromatic

#193B8A #2251BE #406FDD #7496E6 #A8BDEF

Accessibility & contrast

On white

4.63

#406FDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#406FDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #406FDD

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FDD	#FFFFFF	#000000	##FFFFFF
##406FDD	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7CE1

Deuteranopia (green-blind)

#006EDB

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #406fdd;
/* rgb */ color: rgb(64, 111, 221);
/* oklch */ color: oklch(56.9% 0.176 264.2);

Tailwind

colors: {
  custom: {
    50: '#8897e8',
    500: '#406fdd',
    950: '#000000',
  },
}

SCSS

$custom: #406fdd;
$custom-light: #8897e8;
$custom-dark: #000000;

JSON

{
  "hex": "#406fdd",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 221
  },
  "hsl": {
    "h": 222.038,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.56852,
    "c": 0.17599,
    "h": 264.2
  },
  "luminance": 0.17679
}

Semantic roles & 50–950 ramp

primary

#406FDD

secondary

#DDC99C

accent

#B73BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406FDD

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

Preview Lab → · Contrast checker → · Palette generator →