#405AC7#405AC7

#405AC7 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.0% C 0.172 H 269.3°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#405AC7
RGB	rgb(64, 90, 199)
HSL	hsl(228, 55%, 52%)
HSV	hsv(228, 68%, 78%)
CMYK	cmyk(67.8%, 54.8%, 0%, 22%)
CIE-LAB	lab(42.04, 26.35, -59.79)
CIE-LCH	lch(42.04, 65.34, 293.79°)
OKLab	oklab(51.03% -0.0021 -0.172)
OKLCH	oklch(51.03% 0.172 269.3)
XYZ	xyz(16.0758, 12.5243, 55.5920)
Luminance	0.1253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AC7 #C7AD40

analogous

#409EC7 #405AC7 #6A40C7

triadic

#405AC7 #C7405A #5AC740

tetradic

#405AC7 #C7409E #C7AD40 #40C76A

square

#405AC7 #C7409E #C7AD40 #40C76A

split-complementary

#405AC7 #C76A40 #9EC740

monochromatic

#202F6D #2E439C #405AC7 #6F83D5 #9FACE3

Accessibility & contrast

On white

5.99

#405AC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#405AC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AC7

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AC7	#FFFFFF	#000000	##FFFFFF
##405AC7	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACB

Deuteranopia (green-blind)

#005DC5

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405ac7;
/* rgb */ color: rgb(64, 90, 199);
/* oklch */ color: oklch(51.0% 0.172 269.3);

Tailwind

colors: {
  custom: {
    50: '#8488d9',
    500: '#405ac7',
    950: '#000000',
  },
}

SCSS

$custom: #405ac7;
$custom-light: #8488d9;
$custom-dark: #000000;

JSON

{
  "hex": "#405ac7",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 199
  },
  "hsl": {
    "h": 228.444,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51026,
    "c": 0.172,
    "h": 269.3
  },
  "luminance": 0.12526
}

Semantic roles & 50–950 ramp

primary

#405AC7

secondary

#CFC494

accent

#C14ADE

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405AC7

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

Preview Lab → · Contrast checker → · Palette generator →