#406FC5#406FC5

#406FC5 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.2% C 0.144 H 261.4°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#406FC5
RGB	rgb(64, 111, 197)
HSL	hsl(219, 53%, 51%)
HSV	hsv(219, 68%, 77%)
CMYK	cmyk(67.5%, 43.7%, 0%, 22.7%)
CIE-LAB	lab(47.61, 12.28, -49.66)
CIE-LCH	lch(47.61, 51.16, 283.89°)
OKLab	oklab(55.23% -0.0215 -0.1419)
OKLCH	oklch(55.23% 0.144 261.4)
XYZ	xyz(17.8733, 16.4883, 55.0531)
Luminance	0.1649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FC5 #C59640

analogous

#40B1C5 #406FC5 #5340C5

triadic

#406FC5 #C5406F #6FC540

tetradic

#406FC5 #C540B1 #C59640 #40C553

square

#406FC5 #C540B1 #C59640 #40C553

split-complementary

#406FC5 #C55340 #B1C540

monochromatic

#203A6A #2F5499 #406FC5 #6F92D3 #9EB6E2

Accessibility & contrast

On white

4.89

#406FC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#406FC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FC5

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FC5	#FFFFFF	#000000	##FFFFFF
##406FC5	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4678C8

Deuteranopia (green-blind)

#2F6BC3

Tritanopia (blue-blind)

#008390

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #406fc5;
/* rgb */ color: rgb(64, 111, 197);
/* oklch */ color: oklch(55.2% 0.144 261.4);

Tailwind

colors: {
  custom: {
    50: '#8397d7',
    500: '#406fc5',
    950: '#000000',
  },
}

SCSS

$custom: #406fc5;
$custom-light: #8397d7;
$custom-dark: #000000;

JSON

{
  "hex": "#406fc5",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 197
  },
  "hsl": {
    "h": 218.797,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55228,
    "c": 0.14351,
    "h": 261.4
  },
  "luminance": 0.1649
}

Semantic roles & 50–950 ramp

primary

#406FC5

secondary

#CEB993

accent

#A94BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #406FC5

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

Preview Lab → · Contrast checker → · Palette generator →