#406FC4#406FC4

#406FC4 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.2% C 0.142 H 261.2°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#406FC4
RGB	rgb(64, 111, 196)
HSL	hsl(219, 53%, 51%)
HSV	hsv(219, 67%, 77%)
CMYK	cmyk(67.3%, 43.4%, 0%, 23.1%)
CIE-LAB	lab(47.55, 11.92, -49.18)
CIE-LCH	lch(47.55, 50.61, 283.63°)
OKLab	oklab(55.16% -0.0217 -0.1405)
OKLCH	oklch(55.16% 0.142 261.2)
XYZ	xyz(17.7591, 16.4426, 54.4517)
Luminance	0.1644 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FC4 #C49540

analogous

#40B1C4 #406FC4 #5340C4

triadic

#406FC4 #C4406F #6FC440

tetradic

#406FC4 #C440B1 #C49540 #40C453

square

#406FC4 #C440B1 #C49540 #40C453

split-complementary

#406FC4 #C45340 #B1C440

monochromatic

#203A69 #2F5498 #406FC4 #6F92D2 #9EB6E1

Accessibility & contrast

On white

4.90

#406FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#406FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FC4

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FC4	#FFFFFF	#000000	##FFFFFF
##406FC4	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4677C7

Deuteranopia (green-blind)

#306BC2

Tritanopia (blue-blind)

#008390

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406fc4;
/* rgb */ color: rgb(64, 111, 196);
/* oklch */ color: oklch(55.2% 0.142 261.2);

Tailwind

colors: {
  custom: {
    50: '#8397d6',
    500: '#406fc4',
    950: '#000000',
  },
}

SCSS

$custom: #406fc4;
$custom-light: #8397d6;
$custom-dark: #000000;

JSON

{
  "hex": "#406fc4",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 196
  },
  "hsl": {
    "h": 218.636,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.55164,
    "c": 0.14214,
    "h": 261.2
  },
  "luminance": 0.16444
}

Semantic roles & 50–950 ramp

primary

#406FC4

secondary

#CDB893

accent

#A94CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406FC4

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

Preview Lab → · Contrast checker → · Palette generator →