#406FE3#406FE3

#406FE3 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.3% C 0.184 H 264.6°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#406FE3
RGB	rgb(64, 111, 227)
HSL	hsl(223, 74%, 57%)
HSV	hsv(223, 72%, 89%)
CMYK	cmyk(71.8%, 51.1%, 0%, 11%)
CIE-LAB	lab(49.50, 23.08, -63.69)
CIE-LCH	lch(49.50, 67.74, 289.92°)
OKLab	oklab(57.28% -0.0172 -0.1832)
OKLCH	oklch(57.28% 0.184 264.6)
XYZ	xyz(21.6590, 18.0026, 74.9915)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FE3 #E3B440

analogous

#40C1E3 #406FE3 #6240E3

triadic

#406FE3 #E3406F #6FE340

tetradic

#406FE3 #E340C1 #E3B440 #40E362

square

#406FE3 #E340C1 #E3B440 #40E362

split-complementary

#406FE3 #E36240 #C1E340

monochromatic

#163A93 #1D4FC8 #406FE3 #7597EB #ABBFF3

Accessibility & contrast

On white

4.56

#406FE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#406FE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #406FE3

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FE3	#FFFFFF	#000000	##000000
##406FE3	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#247EE7

Deuteranopia (green-blind)

#006FE1

Tritanopia (blue-blind)

#008B9E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #406fe3;
/* rgb */ color: rgb(64, 111, 227);
/* oklch */ color: oklch(57.3% 0.184 264.6);

Tailwind

colors: {
  custom: {
    50: '#8997ed',
    500: '#406fe3',
    950: '#000000',
  },
}

SCSS

$custom: #406fe3;
$custom-light: #8997ed;
$custom-dark: #000000;

JSON

{
  "hex": "#406fe3",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 227
  },
  "hsl": {
    "h": 222.699,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.57281,
    "c": 0.18397,
    "h": 264.6
  },
  "luminance": 0.18005
}

Semantic roles & 50–950 ramp

primary

#406FE3

secondary

#E1CD9E

accent

#BB37F1

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406FE3

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

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