#406CBC#406CBC

#406CBC is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.0% C 0.135 H 261.3°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#406CBC
RGB	rgb(64, 108, 188)
HSL	hsl(219, 49%, 49%)
HSV	hsv(219, 66%, 74%)
CMYK	cmyk(66%, 42.6%, 0%, 26.3%)
CIE-LAB	lab(46.24, 10.95, -46.66)
CIE-LCH	lch(46.24, 47.93, 283.20°)
OKLab	oklab(54% -0.0203 -0.1331)
OKLCH	oklch(54% 0.135 261.3)
XYZ	xyz(16.5508, 15.4444, 49.6760)
Luminance	0.1545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406CBC #BC9040

analogous

#40AABC #406CBC #5240BC

triadic

#406CBC #BC406C #6CBC40

tetradic

#406CBC #BC40AA #BC9040 #40BC52

square

#406CBC #BC40AA #BC9040 #40BC52

split-complementary

#406CBC #BC5240 #AABC40

monochromatic

#213861 #30528E #406CBC #6C8FCD #9AB2DD

Accessibility & contrast

On white

5.14

#406CBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#406CBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406CBC

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406CBC	#FFFFFF	#000000	##FFFFFF
##406CBC	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4774BF

Deuteranopia (green-blind)

#3368BA

Tritanopia (blue-blind)

#007E8B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406cbc;
/* rgb */ color: rgb(64, 108, 188);
/* oklch */ color: oklch(54.0% 0.135 261.3);

Tailwind

colors: {
  custom: {
    50: '#8195d0',
    500: '#406cbc',
    950: '#000000',
  },
}

SCSS

$custom: #406cbc;
$custom-light: #8195d0;
$custom-dark: #000000;

JSON

{
  "hex": "#406cbc",
  "rgb": {
    "r": 64,
    "g": 108,
    "b": 188
  },
  "hsl": {
    "h": 218.71,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.53999,
    "c": 0.13466,
    "h": 261.3
  },
  "luminance": 0.15446
}

Semantic roles & 50–950 ramp

primary

#406CBC

secondary

#C9B48F

accent

#A84FD9

background

#F8F9FC

surface

#F0F1F9

border

#CBCBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #406CBC

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

Preview Lab → · Contrast checker → · Palette generator →