#405FD1#405FD1

#405FD1 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.8% C 0.179 H 268.2°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#405FD1
RGB	rgb(64, 95, 209)
HSL	hsl(227, 61%, 54%)
HSV	hsv(227, 69%, 82%)
CMYK	cmyk(69.4%, 54.5%, 0%, 18%)
CIE-LAB	lab(44.05, 26.73, -62.28)
CIE-LCH	lch(44.05, 67.77, 293.23°)
OKLab	oklab(52.77% -0.0057 -0.1792)
OKLCH	oklch(52.77% 0.179 268.2)
XYZ	xyz(17.7112, 13.8761, 62.0542)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FD1 #D1B240

analogous

#40A8D1 #405FD1 #6940D1

triadic

#405FD1 #D1405F #5FD140

tetradic

#405FD1 #D140A8 #D1B240 #40D169

square

#405FD1 #D140A8 #D1B240 #40D169

split-complementary

#405FD1 #D16940 #A8D140

monochromatic

#1D3179 #2945AB #405FD1 #7188DD #A3B2E9

Accessibility & contrast

On white

5.56

#405FD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#405FD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FD1

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FD1	#FFFFFF	#000000	##FFFFFF
##405FD1	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD5

Deuteranopia (green-blind)

#0062CF

Tritanopia (blue-blind)

#007B8F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #405fd1;
/* rgb */ color: rgb(64, 95, 209);
/* oklch */ color: oklch(52.8% 0.179 268.2);

Tailwind

colors: {
  custom: {
    50: '#868ce0',
    500: '#405fd1',
    950: '#000000',
  },
}

SCSS

$custom: #405fd1;
$custom-light: #868ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#405fd1",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 209
  },
  "hsl": {
    "h": 227.172,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.52769,
    "c": 0.17933,
    "h": 268.2
  },
  "luminance": 0.13878
}

Semantic roles & 50–950 ramp

primary

#405FD1

secondary

#D5C897

accent

#C244E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0D0C15

muted

#7D7D83

Preview Lab

Preview with #405FD1

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

Preview Lab → · Contrast checker → · Palette generator →