#406EE1#406EE1

#406EE1 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.9% C 0.183 H 264.8°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#406EE1
RGB	rgb(64, 110, 225)
HSL	hsl(223, 73%, 57%)
HSV	hsv(223, 72%, 88%)
CMYK	cmyk(71.6%, 51.1%, 0%, 11.8%)
CIE-LAB	lab(49.10, 22.98, -63.21)
CIE-LCH	lch(49.10, 67.26, 289.98°)
OKLab	oklab(56.94% -0.0166 -0.1818)
OKLCH	oklch(56.94% 0.183 264.8)
XYZ	xyz(21.2761, 17.6758, 73.5101)
Luminance	0.1768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406EE1 #E1B340

analogous

#40BFE1 #406EE1 #6340E1

triadic

#406EE1 #E1406E #6EE140

tetradic

#406EE1 #E140BF #E1B340 #40E163

square

#406EE1 #E140BF #E1B340 #40E163

split-complementary

#406EE1 #E16340 #BFE140

monochromatic

#173990 #1F4EC5 #406EE1 #7596E9 #AABEF2

Accessibility & contrast

On white

4.63

#406EE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#406EE1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #406EE1

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406EE1	#FFFFFF	#000000	##FFFFFF
##406EE1	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#247CE5

Deuteranopia (green-blind)

#006EDF

Tritanopia (blue-blind)

#008A9D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #406ee1;
/* rgb */ color: rgb(64, 110, 225);
/* oklch */ color: oklch(56.9% 0.183 264.8);

Tailwind

colors: {
  custom: {
    50: '#8897eb',
    500: '#406ee1',
    950: '#000000',
  },
}

SCSS

$custom: #406ee1;
$custom-light: #8897eb;
$custom-dark: #000000;

JSON

{
  "hex": "#406ee1",
  "rgb": {
    "r": 64,
    "g": 110,
    "b": 225
  },
  "hsl": {
    "h": 222.857,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.56936,
    "c": 0.18252,
    "h": 264.8
  },
  "luminance": 0.17678
}

Semantic roles & 50–950 ramp

primary

#406EE1

secondary

#DFCD9D

accent

#BB38F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406EE1

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

Preview Lab → · Contrast checker → · Palette generator →