#406EB4#406EB4

#406EB4 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 53.9% C 0.121 H 258.6°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#406EB4
RGB	rgb(64, 110, 180)
HSL	hsl(216, 48%, 48%)
HSV	hsv(216, 64%, 71%)
CMYK	cmyk(64.4%, 38.9%, 0%, 29.4%)
CIE-LAB	lab(46.36, 6.86, -41.82)
CIE-LCH	lch(46.36, 42.38, 279.31°)
OKLab	oklab(53.95% -0.024 -0.1189)
OKLCH	oklch(53.95% 0.121 258.6)
XYZ	xyz(15.9256, 15.5356, 45.3306)
Luminance	0.1554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EB4 #B48640

analogous

#40A8B4 #406EB4 #4C40B4

triadic

#406EB4 #B4406E #6EB440

tetradic

#406EB4 #B440A8 #B48640 #40B44C

square

#406EB4 #B440A8 #B48640 #40B44C

split-complementary

#406EB4 #B44C40 #A8B440

monochromatic

#20375A #305287 #406EB4 #688FC9 #95B0D9

Accessibility & contrast

On white

5.11

#406EB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#406EB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EB4

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EB4	#FFFFFF	#000000	##FFFFFF
##406EB4	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F74B7

Deuteranopia (green-blind)

#3F69B3

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406eb4;
/* rgb */ color: rgb(64, 110, 180);
/* oklch */ color: oklch(53.9% 0.121 258.6);

Tailwind

colors: {
  custom: {
    50: '#8097cb',
    500: '#406eb4',
    950: '#000000',
  },
}

SCSS

$custom: #406eb4;
$custom-light: #8097cb;
$custom-dark: #000000;

JSON

{
  "hex": "#406eb4",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 180
  },
  "hsl": {
    "h": 216.207,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53948,
    "c": 0.12132,
    "h": 258.6
  },
  "luminance": 0.15537
}

Semantic roles & 50–950 ramp

primary

#406EB4

secondary

#C5AE8B

accent

#A251D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406EB4

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

Preview Lab → · Contrast checker → · Palette generator →