#406FD7#406FD7

#406FD7 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.4% C 0.168 H 263.6°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#406FD7
RGB	rgb(64, 111, 215)
HSL	hsl(221, 65%, 55%)
HSV	hsv(221, 70%, 84%)
CMYK	cmyk(70.2%, 48.4%, 0%, 15.7%)
CIE-LAB	lab(48.71, 18.75, -58.17)
CIE-LCH	lch(48.71, 61.12, 287.87°)
OKLab	oklab(56.43% -0.0186 -0.1669)
OKLCH	oklch(56.43% 0.168 263.6)
XYZ	xyz(20.0602, 17.3631, 66.5710)
Luminance	0.1736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FD7 #D7A840

analogous

#40BAD7 #406FD7 #5D40D7

triadic

#406FD7 #D7406F #6FD740

tetradic

#406FD7 #D740BA #D7A840 #40D75D

square

#406FD7 #D740BA #D7A840 #40D75D

split-complementary

#406FD7 #D75D40 #BAD740

monochromatic

#1B3B81 #2652B4 #406FD7 #7395E2 #A5BBEC

Accessibility & contrast

On white

4.69

#406FD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#406FD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FD7

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FD7	#FFFFFF	#000000	##FFFFFF
##406FD7	1.00	4.69	4.47	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#357BDB

Deuteranopia (green-blind)

#026DD5

Tritanopia (blue-blind)

#008899

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #406fd7;
/* rgb */ color: rgb(64, 111, 215);
/* oklch */ color: oklch(56.4% 0.168 263.6);

Tailwind

colors: {
  custom: {
    50: '#8697e4',
    500: '#406fd7',
    950: '#000000',
  },
}

SCSS

$custom: #406fd7;
$custom-light: #8697e4;
$custom-dark: #000000;

JSON

{
  "hex": "#406fd7",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 215
  },
  "hsl": {
    "h": 221.325,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.56432,
    "c": 0.16796,
    "h": 263.6
  },
  "luminance": 0.17365
}

Semantic roles & 50–950 ramp

primary

#406FD7

secondary

#D9C59A

accent

#B43FE8

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #406FD7

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

Preview Lab → · Contrast checker → · Palette generator →