#406BDF#406BDF

#406BDF is a mid, vivid blue. Relative luminance 0.169; OKLCH L 56.2% C 0.183 H 265.5°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#406BDF
RGB	rgb(64, 107, 223)
HSL	hsl(224, 71%, 56%)
HSV	hsv(224, 71%, 87%)
CMYK	cmyk(71.3%, 52%, 0%, 12.5%)
CIE-LAB	lab(48.17, 24.15, -63.58)
CIE-LCH	lch(48.17, 68.01, 290.80°)
OKLab	oklab(56.19% -0.0144 -0.1829)
OKLCH	oklch(56.19% 0.183 265.5)
XYZ	xyz(20.6867, 16.9309, 71.9755)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BDF #DFB440

analogous

#40BADF #406BDF #6540DF

triadic

#406BDF #DF406B #6BDF40

tetradic

#406BDF #DF40BA #DFB440 #40DF65

square

#406BDF #DF40BA #DFB440 #40DF65

split-complementary

#406BDF #DF6540 #BADF40

monochromatic

#18378D #204CC1 #406BDF #7494E8 #A9BCF1

Accessibility & contrast

On white

4.79

#406BDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#406BDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BDF

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BDF	#FFFFFF	#000000	##FFFFFF
##406BDF	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C7AE3

Deuteranopia (green-blind)

#006BDD

Tritanopia (blue-blind)

#00879B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #406bdf;
/* rgb */ color: rgb(64, 107, 223);
/* oklch */ color: oklch(56.2% 0.183 265.5);

Tailwind

colors: {
  custom: {
    50: '#8894ea',
    500: '#406bdf',
    950: '#000000',
  },
}

SCSS

$custom: #406bdf;
$custom-light: #8894ea;
$custom-dark: #000000;

JSON

{
  "hex": "#406bdf",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 223
  },
  "hsl": {
    "h": 223.774,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.56189,
    "c": 0.18347,
    "h": 265.5
  },
  "luminance": 0.16933
}

Semantic roles & 50–950 ramp

primary

#406BDF

secondary

#DECC9D

accent

#BD3AEE

background

#F9F9FE

surface

#F1F1FD

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406BDF

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

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