#406FB4#406FB4

#406FB4 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.2% C 0.120 H 258.0°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#406FB4
RGB	rgb(64, 111, 180)
HSL	hsl(216, 48%, 48%)
HSV	hsv(216, 64%, 71%)
CMYK	cmyk(64.4%, 38.3%, 0%, 29.4%)
CIE-LAB	lab(46.65, 6.24, -41.36)
CIE-LCH	lch(46.65, 41.83, 278.58°)
OKLab	oklab(54.17% -0.0251 -0.1175)
OKLCH	oklch(54.17% 0.12 258)
XYZ	xyz(16.0341, 15.7526, 45.3667)
Luminance	0.1575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FB4 #B48540

analogous

#40A9B4 #406FB4 #4B40B4

triadic

#406FB4 #B4406F #6FB440

tetradic

#406FB4 #B440A9 #B48540 #40B44B

square

#406FB4 #B440A9 #B48540 #40B44B

split-complementary

#406FB4 #B44B40 #A9B440

monochromatic

#20375A #305387 #406FB4 #688FC9 #95B1D9

Accessibility & contrast

On white

5.06

#406FB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#406FB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FB4

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FB4	#FFFFFF	#000000	##FFFFFF
##406FB4	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5174B7

Deuteranopia (green-blind)

#406AB3

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #406fb4;
/* rgb */ color: rgb(64, 111, 180);
/* oklch */ color: oklch(54.2% 0.120 258.0);

Tailwind

colors: {
  custom: {
    50: '#8097cb',
    500: '#406fb4',
    950: '#000000',
  },
}

SCSS

$custom: #406fb4;
$custom-light: #8097cb;
$custom-dark: #000000;

JSON

{
  "hex": "#406fb4",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 180
  },
  "hsl": {
    "h": 215.69,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54172,
    "c": 0.1202,
    "h": 258
  },
  "luminance": 0.15754
}

Semantic roles & 50–950 ramp

primary

#406FB4

secondary

#C5AD8B

accent

#A151D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406FB4

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

Preview Lab → · Contrast checker → · Palette generator →