#405AA4#405AA4

#405AA4 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.5% C 0.123 H 267.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#405AA4
RGB	rgb(64, 90, 164)
HSL	hsl(224, 44%, 45%)
HSV	hsv(224, 61%, 64%)
CMYK	cmyk(61%, 45.1%, 0%, 35.7%)
CIE-LAB	lab(39.72, 13.90, -42.99)
CIE-LCH	lch(39.72, 45.18, 287.91°)
OKLab	oklab(48.52% -0.006 -0.1226)
OKLCH	oklch(48.52% 0.123 267.2)
XYZ	xyz(12.4691, 11.0816, 36.5966)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AA4 #A48A40

analogous

#408CA4 #405AA4 #5840A4

triadic

#405AA4 #A4405A #5AA440

tetradic

#405AA4 #A4408C #A48A40 #40A458

square

#405AA4 #A4408C #A48A40 #40A458

split-complementary

#405AA4 #A45840 #8CA440

monochromatic

#1E2A4C #2F4278 #405AA4 #6079C1 #8C9ED2

Accessibility & contrast

On white

6.53

#405AA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#405AA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AA4

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AA4	#FFFFFF	#000000	##FFFFFF
##405AA4	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3862A7

Deuteranopia (green-blind)

#2959A2

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #405aa4;
/* rgb */ color: rgb(64, 90, 164);
/* oklch */ color: oklch(48.5% 0.123 267.2);

Tailwind

colors: {
  custom: {
    50: '#7e88bf',
    500: '#405aa4',
    950: '#000000',
  },
}

SCSS

$custom: #405aa4;
$custom-light: #7e88bf;
$custom-dark: #000000;

JSON

{
  "hex": "#405aa4",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 164
  },
  "hsl": {
    "h": 224.4,
    "s": 43.86,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48523,
    "c": 0.12274,
    "h": 267.2
  },
  "luminance": 0.11083
}

Semantic roles & 50–950 ramp

primary

#405AA4

secondary

#BDAE83

accent

#B254D4

background

#F8F8FB

surface

#EFEFF7

border

#CACAD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #405AA4

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

Preview Lab → · Contrast checker → · Palette generator →