#406EC5#406EC5

#406EC5 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.0% C 0.145 H 261.8°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#406EC5
RGB	rgb(64, 110, 197)
HSL	hsl(219, 53%, 51%)
HSV	hsv(219, 68%, 77%)
CMYK	cmyk(67.5%, 44.2%, 0%, 22.7%)
CIE-LAB	lab(47.33, 12.91, -50.11)
CIE-LCH	lch(47.33, 51.75, 284.45°)
OKLab	oklab(55.01% -0.0205 -0.1432)
OKLCH	oklch(55.01% 0.145 261.8)
XYZ	xyz(17.7648, 16.2713, 55.0170)
Luminance	0.1627 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EC5 #C59740

analogous

#40B0C5 #406EC5 #5440C5

triadic

#406EC5 #C5406E #6EC540

tetradic

#406EC5 #C540B0 #C59740 #40C554

square

#406EC5 #C540B0 #C59740 #40C554

split-complementary

#406EC5 #C55440 #B0C540

monochromatic

#203A6A #2F5399 #406EC5 #6F92D3 #9EB5E2

Accessibility & contrast

On white

4.94

#406EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#406EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EC5

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EC5	#FFFFFF	#000000	##FFFFFF
##406EC5	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4477C8

Deuteranopia (green-blind)

#2D6BC3

Tritanopia (blue-blind)

#008290

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406ec5;
/* rgb */ color: rgb(64, 110, 197);
/* oklch */ color: oklch(55.0% 0.145 261.8);

Tailwind

colors: {
  custom: {
    50: '#8397d7',
    500: '#406ec5',
    950: '#000000',
  },
}

SCSS

$custom: #406ec5;
$custom-light: #8397d7;
$custom-dark: #000000;

JSON

{
  "hex": "#406ec5",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 197
  },
  "hsl": {
    "h": 219.248,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55012,
    "c": 0.14469,
    "h": 261.8
  },
  "luminance": 0.16273
}

Semantic roles & 50–950 ramp

primary

#406EC5

secondary

#CEB993

accent

#AA4BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406EC5

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

Preview Lab → · Contrast checker → · Palette generator →