#406EC7#406EC7

#406EC7 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.1% C 0.147 H 262.1°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#406EC7
RGB	rgb(64, 110, 199)
HSL	hsl(220, 55%, 52%)
HSV	hsv(220, 68%, 78%)
CMYK	cmyk(67.8%, 44.7%, 0%, 22%)
CIE-LAB	lab(47.45, 13.62, -51.07)
CIE-LCH	lch(47.45, 52.85, 284.94°)
OKLab	oklab(55.14% -0.0202 -0.146)
OKLCH	oklch(55.14% 0.147 262.1)
XYZ	xyz(17.9954, 16.3636, 56.2319)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EC7 #C79940

analogous

#40B1C7 #406EC7 #5640C7

triadic

#406EC7 #C7406E #6EC740

tetradic

#406EC7 #C740B1 #C79940 #40C756

square

#406EC7 #C740B1 #C79940 #40C756

split-complementary

#406EC7 #C75640 #B1C740

monochromatic

#203A6D #2E539C #406EC7 #6F92D5 #9FB6E3

Accessibility & contrast

On white

4.91

#406EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#406EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406EC7

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EC7	#FFFFFF	#000000	##FFFFFF
##406EC7	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4277CA

Deuteranopia (green-blind)

#2A6BC5

Tritanopia (blue-blind)

#008391

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406ec7;
/* rgb */ color: rgb(64, 110, 199);
/* oklch */ color: oklch(55.1% 0.147 262.1);

Tailwind

colors: {
  custom: {
    50: '#8397d8',
    500: '#406ec7',
    950: '#000000',
  },
}

SCSS

$custom: #406ec7;
$custom-light: #8397d8;
$custom-dark: #000000;

JSON

{
  "hex": "#406ec7",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 199
  },
  "hsl": {
    "h": 219.556,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55142,
    "c": 0.14743,
    "h": 262.1
  },
  "luminance": 0.16365
}

Semantic roles & 50–950 ramp

primary

#406EC7

secondary

#CFBB94

accent

#AC4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406EC7

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

Preview Lab → · Contrast checker → · Palette generator →