#406FB5#406FB5

#406FB5 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.2% C 0.122 H 258.2°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#406FB5
RGB	rgb(64, 111, 181)
HSL	hsl(216, 48%, 48%)
HSV	hsv(216, 65%, 71%)
CMYK	cmyk(64.6%, 38.7%, 0%, 29%)
CIE-LAB	lab(46.70, 6.59, -41.86)
CIE-LCH	lch(46.70, 42.38, 278.95°)
OKLab	oklab(54.23% -0.0248 -0.119)
OKLCH	oklch(54.23% 0.122 258.2)
XYZ	xyz(16.1363, 15.7935, 45.9052)
Luminance	0.1580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FB5 #B58640

analogous

#40A9B5 #406FB5 #4B40B5

triadic

#406FB5 #B5406F #6FB540

tetradic

#406FB5 #B540A9 #B58640 #40B54B

square

#406FB5 #B540A9 #B58640 #40B54B

split-complementary

#406FB5 #B54B40 #A9B540

monochromatic

#20385B #305388 #406FB5 #6890CA #96B1DA

Accessibility & contrast

On white

5.05

#406FB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#406FB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FB5

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FB5	#FFFFFF	#000000	##FFFFFF
##406FB5	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5075B8

Deuteranopia (green-blind)

#3F6AB4

Tritanopia (blue-blind)

#007F89

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #406fb5;
/* rgb */ color: rgb(64, 111, 181);
/* oklch */ color: oklch(54.2% 0.122 258.2);

Tailwind

colors: {
  custom: {
    50: '#8097cb',
    500: '#406fb5',
    950: '#000000',
  },
}

SCSS

$custom: #406fb5;
$custom-light: #8097cb;
$custom-dark: #000000;

JSON

{
  "hex": "#406fb5",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 181
  },
  "hsl": {
    "h": 215.897,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54232,
    "c": 0.12157,
    "h": 258.2
  },
  "luminance": 0.15795
}

Semantic roles & 50–950 ramp

primary

#406FB5

secondary

#C5AE8B

accent

#A150D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #406FB5

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

Preview Lab → · Contrast checker → · Palette generator →