#406EBF#406EBF

#406EBF is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.6% C 0.136 H 260.9°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#406EBF
RGB	rgb(64, 110, 191)
HSL	hsl(218, 50%, 50%)
HSV	hsv(218, 66%, 75%)
CMYK	cmyk(66.5%, 42.4%, 0%, 25.1%)
CIE-LAB	lab(46.98, 10.76, -47.22)
CIE-LCH	lch(46.98, 48.43, 282.84°)
OKLab	oklab(54.63% -0.0217 -0.1347)
OKLCH	oklch(54.63% 0.136 260.9)
XYZ	xyz(17.0909, 16.0018, 51.4681)
Luminance	0.1600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EBF #BF9140

analogous

#40ADBF #406EBF #5240BF

triadic

#406EBF #BF406E #6EBF40

tetradic

#406EBF #BF40AD #BF9140 #40BF52

square

#406EBF #BF40AD #BF9140 #40BF52

split-complementary

#406EBF #BF5240 #ADBF40

monochromatic

#213963 #315491 #406EBF #6E91CE #9CB4DE

Accessibility & contrast

On white

5.00

#406EBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#406EBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EBF

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EBF	#FFFFFF	#000000	##FFFFFF
##406EBF	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4876C2

Deuteranopia (green-blind)

#346ABD

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #406ebf;
/* rgb */ color: rgb(64, 110, 191);
/* oklch */ color: oklch(54.6% 0.136 260.9);

Tailwind

colors: {
  custom: {
    50: '#8297d3',
    500: '#406ebf',
    950: '#000000',
  },
}

SCSS

$custom: #406ebf;
$custom-light: #8297d3;
$custom-dark: #000000;

JSON

{
  "hex": "#406ebf",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 191
  },
  "hsl": {
    "h": 218.268,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.54627,
    "c": 0.13645,
    "h": 260.9
  },
  "luminance": 0.16003
}

Semantic roles & 50–950 ramp

primary

#406EBF

secondary

#CAB591

accent

#A74ED9

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406EBF

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

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