#406BB9#406BB9

#406BB9 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.6% C 0.132 H 261.3°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#406BB9
RGB	rgb(64, 107, 185)
HSL	hsl(219, 49%, 49%)
HSV	hsv(219, 65%, 73%)
CMYK	cmyk(65.4%, 42.2%, 0%, 27.5%)
CIE-LAB	lab(45.78, 10.51, -45.65)
CIE-LCH	lch(45.78, 46.84, 282.96°)
OKLab	oklab(53.59% -0.0199 -0.1302)
OKLCH	oklch(53.59% 0.132 261.3)
XYZ	xyz(16.1259, 15.1066, 47.9556)
Luminance	0.1511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BB9 #B98E40

analogous

#40A8B9 #406BB9 #5240B9

triadic

#406BB9 #B9406B #6BB940

tetradic

#406BB9 #B940A8 #B98E40 #40B952

square

#406BB9 #B940A8 #B98E40 #40B952

split-complementary

#406BB9 #B95240 #A8B940

monochromatic

#21365E #30518C #406BB9 #6B8DCC #98B0DB

Accessibility & contrast

On white

5.22

#406BB9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#406BB9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BB9

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BB9	#FFFFFF	#000000	##FFFFFF
##406BB9	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4772BC

Deuteranopia (green-blind)

#3467B7

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #406bb9;
/* rgb */ color: rgb(64, 107, 185);
/* oklch */ color: oklch(53.6% 0.132 261.3);

Tailwind

colors: {
  custom: {
    50: '#8194ce',
    500: '#406bb9',
    950: '#000000',
  },
}

SCSS

$custom: #406bb9;
$custom-light: #8194ce;
$custom-dark: #000000;

JSON

{
  "hex": "#406bb9",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 185
  },
  "hsl": {
    "h": 218.678,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5359,
    "c": 0.13168,
    "h": 261.3
  },
  "luminance": 0.15108
}

Semantic roles & 50–950 ramp

primary

#406BB9

secondary

#C7B38E

accent

#A850D8

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #406BB9

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

Preview Lab → · Contrast checker → · Palette generator →