#406FDE#406FDE

#406FDE is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.9% C 0.177 H 264.2°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#406FDE
RGB	rgb(64, 111, 222)
HSL	hsl(222, 71%, 56%)
HSV	hsv(222, 71%, 87%)
CMYK	cmyk(71.2%, 50%, 0%, 12.9%)
CIE-LAB	lab(49.17, 21.28, -61.41)
CIE-LCH	lch(49.17, 64.99, 289.11°)
OKLab	oklab(56.92% -0.0178 -0.1764)
OKLCH	oklch(56.92% 0.177 264.2)
XYZ	xyz(20.9790, 17.7306, 71.4098)
Luminance	0.1773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FDE #DEAF40

analogous

#40BEDE #406FDE #6040DE

triadic

#406FDE #DE406F #6FDE40

tetradic

#406FDE #DE40BE #DEAF40 #40DE60

square

#406FDE #DE40BE #DEAF40 #40DE60

split-complementary

#406FDE #DE6040 #BEDE40

monochromatic

#183A8B #2150C0 #406FDE #7496E7 #A8BEF0

Accessibility & contrast

On white

4.62

#406FDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#406FDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #406FDE

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FDE	#FFFFFF	#000000	##FFFFFF
##406FDE	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C7DE2

Deuteranopia (green-blind)

#006EDC

Tritanopia (blue-blind)

#00899C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #406fde;
/* rgb */ color: rgb(64, 111, 222);
/* oklch */ color: oklch(56.9% 0.177 264.2);

Tailwind

colors: {
  custom: {
    50: '#8897e9',
    500: '#406fde',
    950: '#000000',
  },
}

SCSS

$custom: #406fde;
$custom-light: #8897e9;
$custom-dark: #000000;

JSON

{
  "hex": "#406fde",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 222
  },
  "hsl": {
    "h": 222.152,
    "s": 70.536,
    "l": 56.078
  },
  "oklch": {
    "l": 0.56923,
    "c": 0.17733,
    "h": 264.2
  },
  "luminance": 0.17733
}

Semantic roles & 50–950 ramp

primary

#406FDE

secondary

#DECA9C

accent

#B83AED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #406FDE

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

Preview Lab → · Contrast checker → · Palette generator →