#405FD2#405FD2

#405FD2 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.8% C 0.181 H 268.2°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#405FD2
RGB	rgb(64, 95, 210)
HSL	hsl(227, 62%, 54%)
HSV	hsv(227, 70%, 82%)
CMYK	cmyk(69.5%, 54.8%, 0%, 17.6%)
CIE-LAB	lab(44.13, 27.09, -62.73)
CIE-LCH	lch(44.13, 68.33, 293.36°)
OKLab	oklab(52.85% -0.0057 -0.1806)
OKLCH	oklch(52.85% 0.181 268.2)
XYZ	xyz(17.8354, 13.9258, 62.7083)
Luminance	0.1393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FD2 #D2B340

analogous

#40A8D2 #405FD2 #6A40D2

triadic

#405FD2 #D2405F #5FD240

tetradic

#405FD2 #D240A8 #D2B340 #40D26A

square

#405FD2 #D240A8 #D2B340 #40D26A

split-complementary

#405FD2 #D26A40 #A8D240

monochromatic

#1D317B #2945AC #405FD2 #7288DE #A3B2E9

Accessibility & contrast

On white

5.55

#405FD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#405FD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FD2

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FD2	#FFFFFF	#000000	##FFFFFF
##405FD2	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD6

Deuteranopia (green-blind)

#0062D0

Tritanopia (blue-blind)

#007B8F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #405fd2;
/* rgb */ color: rgb(64, 95, 210);
/* oklch */ color: oklch(52.8% 0.181 268.2);

Tailwind

colors: {
  custom: {
    50: '#868ce1',
    500: '#405fd2',
    950: '#000000',
  },
}

SCSS

$custom: #405fd2;
$custom-light: #868ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#405fd2",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 210
  },
  "hsl": {
    "h": 227.26,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.52845,
    "c": 0.18068,
    "h": 268.2
  },
  "luminance": 0.13928
}

Semantic roles & 50–950 ramp

primary

#405FD2

secondary

#D6C998

accent

#C343E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0C15

muted

#7D7D83

Preview Lab

Preview with #405FD2

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

Preview Lab → · Contrast checker → · Palette generator →