#405AAB#405AAB

#405AAB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.0% C 0.133 H 267.9°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#405AAB
RGB	rgb(64, 90, 171)
HSL	hsl(225, 46%, 46%)
HSV	hsv(225, 63%, 67%)
CMYK	cmyk(62.6%, 47.4%, 0%, 32.9%)
CIE-LAB	lab(40.15, 16.37, -46.45)
CIE-LCH	lch(40.15, 49.25, 289.42°)
OKLab	oklab(48.99% -0.0049 -0.1327)
OKLCH	oklch(48.99% 0.133 267.9)
XYZ	xyz(13.1187, 11.3415, 40.0180)
Luminance	0.1134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AAB #AB9140

analogous

#408FAB #405AAB #5B40AB

triadic

#405AAB #AB405A #5AAB40

tetradic

#405AAB #AB408F #AB9140 #40AB5B

square

#405AAB #AB408F #AB9140 #40AB5B

split-complementary

#405AAB #AB5B40 #8FAB40

monochromatic

#1F2B52 #2F437E #405AAB #637BC5 #90A1D5

Accessibility & contrast

On white

6.42

#405AAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#405AAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AAB

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AAB	#FFFFFF	#000000	##FFFFFF
##405AAB	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3264AE

Deuteranopia (green-blind)

#1F5AA9

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #405aab;
/* rgb */ color: rgb(64, 90, 171);
/* oklch */ color: oklch(49.0% 0.133 267.9);

Tailwind

colors: {
  custom: {
    50: '#7f88c4',
    500: '#405aab',
    950: '#000000',
  },
}

SCSS

$custom: #405aab;
$custom-light: #7f88c4;
$custom-dark: #000000;

JSON

{
  "hex": "#405aab",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 171
  },
  "hsl": {
    "h": 225.421,
    "s": 45.532,
    "l": 46.078
  },
  "oklch": {
    "l": 0.48993,
    "c": 0.13284,
    "h": 267.9
  },
  "luminance": 0.11343
}

Semantic roles & 50–950 ramp

primary

#405AAB

secondary

#C1B286

accent

#B553D5

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405AAB

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

Preview Lab → · Contrast checker → · Palette generator →