#406EB8#406EB8

#406EB8 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.2% C 0.127 H 259.5°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#406EB8
RGB	rgb(64, 110, 184)
HSL	hsl(217, 48%, 49%)
HSV	hsv(217, 65%, 72%)
CMYK	cmyk(65.2%, 40.2%, 0%, 27.8%)
CIE-LAB	lab(46.58, 8.27, -43.80)
CIE-LCH	lch(46.58, 44.57, 280.70°)
OKLab	oklab(54.19% -0.0231 -0.1247)
OKLCH	oklch(54.19% 0.127 259.5)
XYZ	xyz(16.3389, 15.7010, 47.5076)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EB8 #B88A40

analogous

#40AAB8 #406EB8 #4E40B8

triadic

#406EB8 #B8406E #6EB840

tetradic

#406EB8 #B840AA #B88A40 #40B84E

square

#406EB8 #B840AA #B88A40 #40B84E

split-complementary

#406EB8 #B84E40 #AAB840

monochromatic

#20385D #30538B #406EB8 #6A8FCB #97B1DB

Accessibility & contrast

On white

5.07

#406EB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#406EB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EB8

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EB8	#FFFFFF	#000000	##FFFFFF
##406EB8	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D74BB

Deuteranopia (green-blind)

#3B69B6

Tritanopia (blue-blind)

#007F8A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406eb8;
/* rgb */ color: rgb(64, 110, 184);
/* oklch */ color: oklch(54.2% 0.127 259.5);

Tailwind

colors: {
  custom: {
    50: '#8197ce',
    500: '#406eb8',
    950: '#000000',
  },
}

SCSS

$custom: #406eb8;
$custom-light: #8197ce;
$custom-dark: #000000;

JSON

{
  "hex": "#406eb8",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 184
  },
  "hsl": {
    "h": 217,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54191,
    "c": 0.12682,
    "h": 259.5
  },
  "luminance": 0.15703
}

Semantic roles & 50–950 ramp

primary

#406EB8

secondary

#C7B18D

accent

#A450D8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406EB8

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

Preview Lab → · Contrast checker → · Palette generator →