#406DC4#406DC4

#406DC4 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.7% C 0.144 H 262.1°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#406DC4
RGB	rgb(64, 109, 196)
HSL	hsl(220, 53%, 51%)
HSV	hsv(220, 67%, 77%)
CMYK	cmyk(67.3%, 44.4%, 0%, 23.1%)
CIE-LAB	lab(46.99, 13.18, -50.08)
CIE-LCH	lch(46.99, 51.78, 284.74°)
OKLab	oklab(54.73% -0.0198 -0.1431)
OKLCH	oklch(54.73% 0.145 262.1)
XYZ	xyz(17.5433, 16.0111, 54.3798)
Luminance	0.1601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406DC4 #C49740

analogous

#40AFC4 #406DC4 #5540C4

triadic

#406DC4 #C4406D #6DC440

tetradic

#406DC4 #C440AF #C49740 #40C455

square

#406DC4 #C440AF #C49740 #40C455

split-complementary

#406DC4 #C45540 #AFC440

monochromatic

#203969 #2F5398 #406DC4 #6F91D2 #9EB4E1

Accessibility & contrast

On white

5.00

#406DC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#406DC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406DC4

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406DC4	#FFFFFF	#000000	##FFFFFF
##406DC4	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)

#4376C7

Deuteranopia (green-blind)

#2B6AC2

Tritanopia (blue-blind)

#00818F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #406dc4;
/* rgb */ color: rgb(64, 109, 196);
/* oklch */ color: oklch(54.7% 0.144 262.1);

Tailwind

colors: {
  custom: {
    50: '#8396d6',
    500: '#406dc4',
    950: '#000000',
  },
}

SCSS

$custom: #406dc4;
$custom-light: #8396d6;
$custom-dark: #000000;

JSON

{
  "hex": "#406dc4",
  "rgb": {
    "r": 64,
    "g": 109,
    "b": 196
  },
  "hsl": {
    "h": 219.545,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.54731,
    "c": 0.1445,
    "h": 262.1
  },
  "luminance": 0.16013
}

Semantic roles & 50–950 ramp

primary

#406DC4

secondary

#CDB993

accent

#AB4CDC

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406DC4

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

Preview Lab → · Contrast checker → · Palette generator →