#406EB7#406EB7

#406EB7 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.1% C 0.125 H 259.3°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#406EB7
RGB	rgb(64, 110, 183)
HSL	hsl(217, 48%, 48%)
HSV	hsv(217, 65%, 72%)
CMYK	cmyk(65%, 39.9%, 0%, 28.2%)
CIE-LAB	lab(46.52, 7.92, -43.30)
CIE-LCH	lch(46.52, 44.02, 280.36°)
OKLab	oklab(54.13% -0.0234 -0.1232)
OKLCH	oklch(54.13% 0.125 259.3)
XYZ	xyz(16.2345, 15.6592, 46.9575)
Luminance	0.1566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EB7 #B78940

analogous

#40A9B7 #406EB7 #4E40B7

triadic

#406EB7 #B7406E #6EB740

tetradic

#406EB7 #B740A9 #B78940 #40B74E

square

#406EB7 #B740A9 #B78940 #40B74E

split-complementary

#406EB7 #B74E40 #A9B740

monochromatic

#20375C #30538A #406EB7 #698FCB #97B1DB

Accessibility & contrast

On white

5.08

#406EB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#406EB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EB7

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EB7	#FFFFFF	#000000	##FFFFFF
##406EB7	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D74BA

Deuteranopia (green-blind)

#3C69B5

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406eb7;
/* rgb */ color: rgb(64, 110, 183);
/* oklch */ color: oklch(54.1% 0.125 259.3);

Tailwind

colors: {
  custom: {
    50: '#8197cd',
    500: '#406eb7',
    950: '#000000',
  },
}

SCSS

$custom: #406eb7;
$custom-light: #8197cd;
$custom-dark: #000000;

JSON

{
  "hex": "#406eb7",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 183
  },
  "hsl": {
    "h": 216.807,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54129,
    "c": 0.12544,
    "h": 259.3
  },
  "luminance": 0.15661
}

Semantic roles & 50–950 ramp

primary

#406EB7

secondary

#C6B08D

accent

#A350D8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406EB7

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

Preview Lab → · Contrast checker → · Palette generator →