#406DD8#406DD8

#406DD8 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.1% C 0.172 H 264.4°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#406DD8
RGB	rgb(64, 109, 216)
HSL	hsl(222, 66%, 55%)
HSV	hsv(222, 70%, 85%)
CMYK	cmyk(70.4%, 49.5%, 0%, 15.3%)
CIE-LAB	lab(48.24, 20.37, -59.51)
CIE-LCH	lch(48.24, 62.90, 288.90°)
OKLab	oklab(56.09% -0.0168 -0.1709)
OKLCH	oklch(56.09% 0.172 264.4)
XYZ	xyz(19.9733, 16.9831, 67.1779)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406DD8 #D8AB40

analogous

#40B9D8 #406DD8 #5F40D8

triadic

#406DD8 #D8406D #6DD840

tetradic

#406DD8 #D840B9 #D8AB40 #40D85F

square

#406DD8 #D840B9 #D8AB40 #40D85F

split-complementary

#406DD8 #D85F40 #B9D840

monochromatic

#1B3A83 #2550B6 #406DD8 #7394E2 #A6BBED

Accessibility & contrast

On white

4.78

#406DD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#406DD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406DD8

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406DD8	#FFFFFF	#000000	##FFFFFF
##406DD8	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F7ADC

Deuteranopia (green-blind)

#006CD6

Tritanopia (blue-blind)

#008698

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #406dd8;
/* rgb */ color: rgb(64, 109, 216);
/* oklch */ color: oklch(56.1% 0.172 264.4);

Tailwind

colors: {
  custom: {
    50: '#8796e5',
    500: '#406dd8',
    950: '#000000',
  },
}

SCSS

$custom: #406dd8;
$custom-light: #8796e5;
$custom-dark: #000000;

JSON

{
  "hex": "#406dd8",
  "rgb": {
    "r": 64,
    "g": 109,
    "b": 216
  },
  "hsl": {
    "h": 222.237,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5609,
    "c": 0.17169,
    "h": 264.4
  },
  "luminance": 0.16985
}

Semantic roles & 50–950 ramp

primary

#406DD8

secondary

#DAC79A

accent

#B73FE9

background

#F9F9FE

surface

#F1F1FC

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406DD8

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

Preview Lab → · Contrast checker → · Palette generator →