#406FD5#406FD5

#406FD5 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.3% C 0.165 H 263.4°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#406FD5
RGB	rgb(64, 111, 213)
HSL	hsl(221, 64%, 54%)
HSV	hsv(221, 70%, 84%)
CMYK	cmyk(70%, 47.9%, 0%, 16.5%)
CIE-LAB	lab(48.59, 18.03, -57.24)
CIE-LCH	lch(48.59, 60.01, 287.49°)
OKLab	oklab(56.29% -0.0189 -0.1642)
OKLCH	oklch(56.29% 0.165 263.4)
XYZ	xyz(19.8048, 17.2609, 65.2258)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#406FD5 #D5A640

analogous

#40B9D5 #406FD5 #5C40D5

triadic

#406FD5 #D5406F #6FD540

tetradic

#406FD5 #D540B9 #D5A640 #40D55C

square

#406FD5 #D540B9 #D5A640 #40D55C

split-complementary

#406FD5 #D55C40 #B9D540

monochromatic

#1C3B7F #2752B1 #406FD5 #7295E0 #A4BBEB

Accessibility & contrast

On white

4.72

#406FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#406FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #406FD5

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##406FD5	#FFFFFF	#000000	##FFFFFF
##406FD5	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#377BD9

Deuteranopia (green-blind)

#0D6DD3

Tritanopia (blue-blind)

#008798

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #406fd5;
/* rgb */ color: rgb(64, 111, 213);
/* oklch */ color: oklch(56.3% 0.165 263.4);

Tailwind

colors: {
  custom: {
    50: '#8697e2',
    500: '#406fd5',
    950: '#000000',
  },
}

SCSS

$custom: #406fd5;
$custom-light: #8697e2;
$custom-dark: #000000;

JSON

{
  "hex": "#406fd5",
  "rgb": {
    "r": 64,
    "g": 111,
    "b": 213
  },
  "hsl": {
    "h": 221.074,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56294,
    "c": 0.16526,
    "h": 263.4
  },
  "luminance": 0.17263
}

Semantic roles & 50–950 ramp

primary

#406FD5

secondary

#D8C499

accent

#B341E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #406FD5

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

Preview Lab → · Contrast checker → · Palette generator →