#406FCF#406FCF

#406FCF is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.9% C 0.157 H 262.8°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#406FCF
RGB	rgb(64, 111, 207)
HSL	hsl(220, 60%, 53%)
HSV	hsv(220, 69%, 81%)
CMYK	cmyk(69.1%, 46.4%, 0%, 18.8%)
CIE-LAB	lab(48.21, 15.87, -54.42)
CIE-LCH	lch(48.21, 56.69, 286.26°)
OKLab	oklab(55.89% -0.0198 -0.1559)
OKLCH	oklch(55.89% 0.157 262.8)
XYZ	xyz(19.0573, 16.9619, 61.2890)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FCF #CFA040

analogous

#40B6CF #406FCF #5840CF

triadic

#406FCF #CF406F #6FCF40

tetradic

#406FCF #CF40B6 #CFA040 #40CF58

square

#406FCF #CF40B6 #CFA040 #40CF58

split-complementary

#406FCF #CF5840 #B6CF40

monochromatic

#1E3B77 #2A53A8 #406FCF #7194DB #A2B9E8

Accessibility & contrast

On white

4.78

#406FCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#406FCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FCF

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FCF	#FFFFFF	#000000	##FFFFFF
##406FCF	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D79D3

Deuteranopia (green-blind)

#1F6CCD

Tritanopia (blue-blind)

#008595

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #406fcf;
/* rgb */ color: rgb(64, 111, 207);
/* oklch */ color: oklch(55.9% 0.157 262.8);

Tailwind

colors: {
  custom: {
    50: '#8597de',
    500: '#406fcf',
    950: '#000000',
  },
}

SCSS

$custom: #406fcf;
$custom-light: #8597de;
$custom-dark: #000000;

JSON

{
  "hex": "#406fcf",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 207
  },
  "hsl": {
    "h": 220.28,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.55886,
    "c": 0.15714,
    "h": 262.8
  },
  "luminance": 0.16964
}

Semantic roles & 50–950 ramp

primary

#406FCF

secondary

#D4C097

accent

#AF45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406FCF

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

Preview Lab → · Contrast checker → · Palette generator →