#406FD8#406FD8

#406FD8 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.5% C 0.169 H 263.7°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#406FD8
RGB	rgb(64, 111, 216)
HSL	hsl(221, 66%, 55%)
HSV	hsv(221, 70%, 85%)
CMYK	cmyk(70.4%, 48.6%, 0%, 15.3%)
CIE-LAB	lab(48.78, 19.11, -58.64)
CIE-LCH	lch(48.78, 61.67, 288.05°)
OKLab	oklab(56.5% -0.0185 -0.1683)
OKLCH	oklch(56.5% 0.169 263.7)
XYZ	xyz(20.1891, 17.4146, 67.2498)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FD8 #D8A940

analogous

#40BBD8 #406FD8 #5D40D8

triadic

#406FD8 #D8406F #6FD840

tetradic

#406FD8 #D840BB #D8A940 #40D85D

square

#406FD8 #D840BB #D8A940 #40D85D

split-complementary

#406FD8 #D85D40 #BBD840

monochromatic

#1B3B83 #2552B6 #406FD8 #7395E2 #A6BCED

Accessibility & contrast

On white

4.68

#406FD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#406FD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FD8

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FD8	#FFFFFF	#000000	##FFFFFF
##406FD8	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#347BDC

Deuteranopia (green-blind)

#006DD6

Tritanopia (blue-blind)

#008899

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #406fd8;
/* rgb */ color: rgb(64, 111, 216);
/* oklch */ color: oklch(56.5% 0.169 263.7);

Tailwind

colors: {
  custom: {
    50: '#8797e5',
    500: '#406fd8',
    950: '#000000',
  },
}

SCSS

$custom: #406fd8;
$custom-light: #8797e5;
$custom-dark: #000000;

JSON

{
  "hex": "#406fd8",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 216
  },
  "hsl": {
    "h": 221.447,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56502,
    "c": 0.16929,
    "h": 263.7
  },
  "luminance": 0.17417
}

Semantic roles & 50–950 ramp

primary

#406FD8

secondary

#DAC69A

accent

#B43FE9

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #406FD8

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

Preview Lab → · Contrast checker → · Palette generator →