#406FE7#406FE7

#406FE7 is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.6% C 0.189 H 264.9°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#406FE7
RGB	rgb(64, 111, 231)
HSL	hsl(223, 78%, 58%)
HSV	hsv(223, 72%, 91%)
CMYK	cmyk(72.3%, 51.9%, 0%, 9.4%)
CIE-LAB	lab(49.77, 24.52, -65.51)
CIE-LCH	lch(49.77, 69.94, 290.52°)
OKLab	oklab(57.57% -0.0168 -0.1885)
OKLCH	oklch(57.57% 0.189 264.9)
XYZ	xyz(22.2175, 18.2260, 77.9329)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FE7 #E7B840

analogous

#40C2E7 #406FE7 #6540E7

triadic

#406FE7 #E7406F #6FE740

tetradic

#406FE7 #E740C2 #E7B840 #40E765

square

#406FE7 #E740C2 #E7B840 #40E765

split-complementary

#406FE7 #E76540 #C2E740

monochromatic

#133999 #1A4DD0 #406FE7 #7698EE #ADC1F5

Accessibility & contrast

On white

4.52

#406FE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#406FE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #406FE7

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FE7	#FFFFFF	#000000	##000000
##406FE7	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C7EEB

Deuteranopia (green-blind)

#006FE5

Tritanopia (blue-blind)

#008CA0

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #406fe7;
/* rgb */ color: rgb(64, 111, 231);
/* oklch */ color: oklch(57.6% 0.189 264.9);

Tailwind

colors: {
  custom: {
    50: '#8a97ef',
    500: '#406fe7',
    950: '#000000',
  },
}

SCSS

$custom: #406fe7;
$custom-light: #8a97ef;
$custom-dark: #000000;

JSON

{
  "hex": "#406fe7",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 231
  },
  "hsl": {
    "h": 223.114,
    "s": 77.674,
    "l": 57.843
  },
  "oklch": {
    "l": 0.57572,
    "c": 0.18925,
    "h": 264.9
  },
  "luminance": 0.18228
}

Semantic roles & 50–950 ramp

primary

#406FE7

secondary

#E3D0A0

accent

#BE34F4

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #406FE7

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

Preview Lab → · Contrast checker → · Palette generator →