#406DBB#406DBB

#406DBB is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.2% C 0.132 H 260.6°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#406DBB
RGB	rgb(64, 109, 187)
HSL	hsl(218, 49%, 49%)
HSV	hsv(218, 66%, 73%)
CMYK	cmyk(65.8%, 41.7%, 0%, 26.7%)
CIE-LAB	lab(46.46, 9.96, -45.72)
CIE-LCH	lch(46.46, 46.79, 282.29°)
OKLab	oklab(54.16% -0.0215 -0.1303)
OKLCH	oklch(54.16% 0.132 260.6)
XYZ	xyz(16.5495, 15.6135, 49.1456)
Luminance	0.1562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406DBB #BB8E40

analogous

#40ABBB #406DBB #5140BB

triadic

#406DBB #BB406D #6DBB40

tetradic

#406DBB #BB40AB #BB8E40 #40BB51

square

#406DBB #BB40AB #BB8E40 #40BB51

split-complementary

#406DBB #BB5140 #ABBB40

monochromatic

#213860 #30528D #406DBB #6C8FCD #99B2DC

Accessibility & contrast

On white

5.09

#406DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#406DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406DBB

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406DBB	#FFFFFF	#000000	##FFFFFF
##406DBB	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4974BE

Deuteranopia (green-blind)

#3669B9

Tritanopia (blue-blind)

#007F8B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406dbb;
/* rgb */ color: rgb(64, 109, 187);
/* oklch */ color: oklch(54.2% 0.132 260.6);

Tailwind

colors: {
  custom: {
    50: '#8196d0',
    500: '#406dbb',
    950: '#000000',
  },
}

SCSS

$custom: #406dbb;
$custom-light: #8196d0;
$custom-dark: #000000;

JSON

{
  "hex": "#406dbb",
  "rgb": {
    "r": 64,
    "g": 109,
    "b": 187
  },
  "hsl": {
    "h": 218.049,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.54155,
    "c": 0.13211,
    "h": 260.6
  },
  "luminance": 0.15615
}

Semantic roles & 50–950 ramp

primary

#406DBB

secondary

#C8B38F

accent

#A64FD9

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #406DBB

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

Preview Lab → · Contrast checker → · Palette generator →