#406EC4#406EC4

#406EC4 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 54.9% C 0.143 H 261.7°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#406EC4
RGB	rgb(64, 110, 196)
HSL	hsl(219, 53%, 51%)
HSV	hsv(219, 67%, 77%)
CMYK	cmyk(67.3%, 43.9%, 0%, 23.1%)
CIE-LAB	lab(47.27, 12.55, -49.63)
CIE-LCH	lch(47.27, 51.19, 284.19°)
OKLab	oklab(54.95% -0.0207 -0.1418)
OKLCH	oklch(54.95% 0.143 261.7)
XYZ	xyz(17.6506, 16.2256, 54.4155)
Luminance	0.1623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EC4 #C49640

analogous

#40B0C4 #406EC4 #5440C4

triadic

#406EC4 #C4406E #6EC440

tetradic

#406EC4 #C440B0 #C49640 #40C454

square

#406EC4 #C440B0 #C49640 #40C454

split-complementary

#406EC4 #C45440 #B0C440

monochromatic

#203A69 #2F5398 #406EC4 #6F91D2 #9EB5E1

Accessibility & contrast

On white

4.95

#406EC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#406EC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EC4

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EC4	#FFFFFF	#000000	##FFFFFF
##406EC4	1.00	4.95	4.25	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4577C7

Deuteranopia (green-blind)

#2E6AC2

Tritanopia (blue-blind)

#00828F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #406ec4;
/* rgb */ color: rgb(64, 110, 196);
/* oklch */ color: oklch(54.9% 0.143 261.7);

Tailwind

colors: {
  custom: {
    50: '#8397d6',
    500: '#406ec4',
    950: '#000000',
  },
}

SCSS

$custom: #406ec4;
$custom-light: #8397d6;
$custom-dark: #000000;

JSON

{
  "hex": "#406ec4",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 196
  },
  "hsl": {
    "h": 219.091,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.54947,
    "c": 0.14332,
    "h": 261.7
  },
  "luminance": 0.16227
}

Semantic roles & 50–950 ramp

primary

#406EC4

secondary

#CDB993

accent

#AA4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406EC4

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

Preview Lab → · Contrast checker → · Palette generator →