#406FE1#406FE1

#406FE1 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.1% C 0.181 H 264.5°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#406FE1
RGB	rgb(64, 111, 225)
HSL	hsl(222, 73%, 57%)
HSV	hsv(222, 72%, 88%)
CMYK	cmyk(71.6%, 50.7%, 0%, 11.8%)
CIE-LAB	lab(49.37, 22.36, -62.78)
CIE-LCH	lch(49.37, 66.64, 289.60°)
OKLab	oklab(57.14% -0.0174 -0.1805)
OKLCH	oklch(57.14% 0.181 264.5)
XYZ	xyz(21.3846, 17.8928, 73.5462)
Luminance	0.1789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FE1 #E1B240

analogous

#40C0E1 #406FE1 #6140E1

triadic

#406FE1 #E1406F #6FE140

tetradic

#406FE1 #E140C0 #E1B240 #40E161

square

#406FE1 #E140C0 #E1B240 #40E161

split-complementary

#406FE1 #E16140 #C0E140

monochromatic

#173A90 #1F4FC5 #406FE1 #7597E9 #AABFF2

Accessibility & contrast

On white

4.59

#406FE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#406FE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #406FE1

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FE1	#FFFFFF	#000000	##FFFFFF
##406FE1	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#287DE5

Deuteranopia (green-blind)

#006EDF

Tritanopia (blue-blind)

#008A9D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #406fe1;
/* rgb */ color: rgb(64, 111, 225);
/* oklch */ color: oklch(57.1% 0.181 264.5);

Tailwind

colors: {
  custom: {
    50: '#8897eb',
    500: '#406fe1',
    950: '#000000',
  },
}

SCSS

$custom: #406fe1;
$custom-light: #8897eb;
$custom-dark: #000000;

JSON

{
  "hex": "#406fe1",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 225
  },
  "hsl": {
    "h": 222.484,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.57137,
    "c": 0.18132,
    "h": 264.5
  },
  "luminance": 0.17895
}

Semantic roles & 50–950 ramp

primary

#406FE1

secondary

#DFCC9D

accent

#BA38F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406FE1

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

Preview Lab → · Contrast checker → · Palette generator →