#406EB9#406EB9

#406EB9 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.3% C 0.128 H 259.7°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#406EB9
RGB	rgb(64, 110, 185)
HSL	hsl(217, 49%, 49%)
HSV	hsv(217, 65%, 73%)
CMYK	cmyk(65.4%, 40.5%, 0%, 27.5%)
CIE-LAB	lab(46.64, 8.63, -44.29)
CIE-LCH	lch(46.64, 45.12, 281.02°)
OKLab	oklab(54.25% -0.0229 -0.1261)
OKLCH	oklch(54.25% 0.128 259.7)
XYZ	xyz(16.4441, 15.7430, 48.0616)
Luminance	0.1575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EB9 #B98B40

analogous

#40ABB9 #406EB9 #4F40B9

triadic

#406EB9 #B9406E #6EB940

tetradic

#406EB9 #B940AB #B98B40 #40B94F

square

#406EB9 #B940AB #B98B40 #40B94F

split-complementary

#406EB9 #B94F40 #ABB940

monochromatic

#21385E #30538C #406EB9 #6B8FCC #98B2DB

Accessibility & contrast

On white

5.06

#406EB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#406EB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EB9

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EB9	#FFFFFF	#000000	##FFFFFF
##406EB9	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)

#4C75BC

Deuteranopia (green-blind)

#3A69B7

Tritanopia (blue-blind)

#007F8A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #406eb9;
/* rgb */ color: rgb(64, 110, 185);
/* oklch */ color: oklch(54.3% 0.128 259.7);

Tailwind

colors: {
  custom: {
    50: '#8197ce',
    500: '#406eb9',
    950: '#000000',
  },
}

SCSS

$custom: #406eb9;
$custom-light: #8197ce;
$custom-dark: #000000;

JSON

{
  "hex": "#406eb9",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 185
  },
  "hsl": {
    "h": 217.19,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.54252,
    "c": 0.1282,
    "h": 259.7
  },
  "luminance": 0.15745
}

Semantic roles & 50–950 ramp

primary

#406EB9

secondary

#C7B18E

accent

#A450D8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #406EB9

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

Preview Lab → · Contrast checker → · Palette generator →