#405FA4#405FA4

#405FA4 is a mid, moderate blue. Relative luminance 0.120; OKLCH L 49.6% C 0.116 H 264.3°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#405FA4
RGB	rgb(64, 95, 164)
HSL	hsl(221, 44%, 45%)
HSV	hsv(221, 61%, 64%)
CMYK	cmyk(61%, 42.1%, 0%, 35.7%)
CIE-LAB	lab(41.14, 10.68, -40.72)
CIE-LCH	lch(41.14, 42.10, 284.70°)
OKLab	oklab(49.62% -0.0115 -0.1159)
OKLCH	oklch(49.62% 0.116 264.3)
XYZ	xyz(12.9051, 11.9536, 36.7420)
Luminance	0.1196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FA4 #A48540

analogous

#4091A4 #405FA4 #5340A4

triadic

#405FA4 #A4405F #5FA440

tetradic

#405FA4 #A44091 #A48540 #40A453

square

#405FA4 #A44091 #A48540 #40A453

split-complementary

#405FA4 #A45340 #91A440

monochromatic

#1E2C4C #2F4678 #405FA4 #607EC1 #8CA2D2

Accessibility & contrast

On white

6.19

#405FA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#405FA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FA4

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FA4	#FFFFFF	#000000	##FFFFFF
##405FA4	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4166A7

Deuteranopia (green-blind)

#335DA3

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #405fa4;
/* rgb */ color: rgb(64, 95, 164);
/* oklch */ color: oklch(49.6% 0.116 264.3);

Tailwind

colors: {
  custom: {
    50: '#7e8cbf',
    500: '#405fa4',
    950: '#000000',
  },
}

SCSS

$custom: #405fa4;
$custom-light: #7e8cbf;
$custom-dark: #000000;

JSON

{
  "hex": "#405fa4",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 164
  },
  "hsl": {
    "h": 221.4,
    "s": 43.86,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49618,
    "c": 0.11643,
    "h": 264.3
  },
  "luminance": 0.11955
}

Semantic roles & 50–950 ramp

primary

#405FA4

secondary

#BDAB83

accent

#AC54D4

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #405FA4

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

Preview Lab → · Contrast checker → · Palette generator →