#406DDD#406DDD

#406DDD is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.4% C 0.178 H 264.8°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#406DDD
RGB	rgb(64, 109, 221)
HSL	hsl(223, 70%, 56%)
HSV	hsv(223, 71%, 87%)
CMYK	cmyk(71%, 50.7%, 0%, 13.3%)
CIE-LAB	lab(48.57, 22.17, -61.81)
CIE-LCH	lch(48.57, 65.67, 289.73°)
OKLab	oklab(56.45% -0.0162 -0.1776)
OKLCH	oklch(56.45% 0.178 264.8)
XYZ	xyz(20.6295, 17.2456, 70.6341)
Luminance	0.1725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406DDD #DDB040

analogous

#40BBDD #406DDD #6140DD

triadic

#406DDD #DD406D #6DDD40

tetradic

#406DDD #DD40BB #DDB040 #40DD61

square

#406DDD #DD40BB #DDB040 #40DD61

split-complementary

#406DDD #DD6140 #BBDD40

monochromatic

#19398A #224FBE #406DDD #7495E6 #A8BCEF

Accessibility & contrast

On white

4.72

#406DDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#406DDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406DDD

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406DDD	#FFFFFF	#000000	##FFFFFF
##406DDD	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#277BE1

Deuteranopia (green-blind)

#006DDB

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #406ddd;
/* rgb */ color: rgb(64, 109, 221);
/* oklch */ color: oklch(56.4% 0.178 264.8);

Tailwind

colors: {
  custom: {
    50: '#8896e8',
    500: '#406ddd',
    950: '#000000',
  },
}

SCSS

$custom: #406ddd;
$custom-light: #8896e8;
$custom-dark: #000000;

JSON

{
  "hex": "#406ddd",
  "rgb": {
    "r": 64,
    "g": 109,
    "b": 221
  },
  "hsl": {
    "h": 222.803,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.56446,
    "c": 0.17839,
    "h": 264.8
  },
  "luminance": 0.17248
}

Semantic roles & 50–950 ramp

primary

#406DDD

secondary

#DDCA9C

accent

#BA3BED

background

#F9F9FE

surface

#F1F1FD

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406DDD

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

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