#406BC4#406BC4

#406BC4 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.3% C 0.147 H 263.0°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#406BC4
RGB	rgb(64, 107, 196)
HSL	hsl(220, 53%, 51%)
HSV	hsv(220, 67%, 77%)
CMYK	cmyk(67.3%, 45.4%, 0%, 23.1%)
CIE-LAB	lab(46.43, 14.44, -50.97)
CIE-LCH	lch(46.43, 52.98, 285.82°)
OKLab	oklab(54.3% -0.0179 -0.1458)
OKLCH	oklch(54.3% 0.147 263)
XYZ	xyz(17.3323, 15.5892, 54.3094)
Luminance	0.1559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406BC4 #C49940

analogous

#40ADC4 #406BC4 #5740C4

triadic

#406BC4 #C4406B #6BC440

tetradic

#406BC4 #C440AD #C49940 #40C457

square

#406BC4 #C440AD #C49940 #40C457

split-complementary

#406BC4 #C45740 #ADC440

monochromatic

#203869 #2F5198 #406BC4 #6F8FD2 #9EB3E1

Accessibility & contrast

On white

5.10

#406BC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#406BC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406BC4

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406BC4	#FFFFFF	#000000	##FFFFFF
##406BC4	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F74C7

Deuteranopia (green-blind)

#2668C2

Tritanopia (blue-blind)

#00808E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #406bc4;
/* rgb */ color: rgb(64, 107, 196);
/* oklch */ color: oklch(54.3% 0.147 263.0);

Tailwind

colors: {
  custom: {
    50: '#8394d6',
    500: '#406bc4',
    950: '#000000',
  },
}

SCSS

$custom: #406bc4;
$custom-light: #8394d6;
$custom-dark: #000000;

JSON

{
  "hex": "#406bc4",
  "rgb": {
    "r": 64,
    "g": 107,
    "b": 196
  },
  "hsl": {
    "h": 220.455,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.54302,
    "c": 0.14689,
    "h": 263
  },
  "luminance": 0.15591
}

Semantic roles & 50–950 ramp

primary

#406BC4

secondary

#CDBA93

accent

#AD4CDC

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406BC4

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

Preview Lab → · Contrast checker → · Palette generator →