#405BA4#405BA4

#405BA4 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 48.7% C 0.121 H 266.7°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#405BA4
RGB	rgb(64, 91, 164)
HSL	hsl(224, 44%, 45%)
HSV	hsv(224, 61%, 64%)
CMYK	cmyk(61%, 44.5%, 0%, 35.7%)
CIE-LAB	lab(40.00, 13.25, -42.54)
CIE-LCH	lch(40.00, 44.56, 287.30°)
OKLab	oklab(48.74% -0.0071 -0.1212)
OKLCH	oklch(48.74% 0.121 266.7)
XYZ	xyz(12.5540, 11.2514, 36.6249)
Luminance	0.1125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BA4 #A48940

analogous

#408DA4 #405BA4 #5740A4

triadic

#405BA4 #A4405B #5BA440

tetradic

#405BA4 #A4408D #A48940 #40A457

square

#405BA4 #A4408D #A48940 #40A457

split-complementary

#405BA4 #A45740 #8DA440

monochromatic

#1E2A4C #2F4378 #405BA4 #607AC1 #8C9FD2

Accessibility & contrast

On white

6.46

#405BA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#405BA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BA4

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BA4	#FFFFFF	#000000	##FFFFFF
##405BA4	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A63A7

Deuteranopia (green-blind)

#2B5AA2

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #405ba4;
/* rgb */ color: rgb(64, 91, 164);
/* oklch */ color: oklch(48.7% 0.121 266.7);

Tailwind

colors: {
  custom: {
    50: '#7e89bf',
    500: '#405ba4',
    950: '#000000',
  },
}

SCSS

$custom: #405ba4;
$custom-light: #7e89bf;
$custom-dark: #000000;

JSON

{
  "hex": "#405ba4",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 164
  },
  "hsl": {
    "h": 223.8,
    "s": 43.86,
    "l": 44.706
  },
  "oklch": {
    "l": 0.4874,
    "c": 0.12146,
    "h": 266.7
  },
  "luminance": 0.11252
}

Semantic roles & 50–950 ramp

primary

#405BA4

secondary

#BDAD83

accent

#B154D4

background

#F8F8FB

surface

#EFEFF7

border

#CACAD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #405BA4

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

Preview Lab → · Contrast checker → · Palette generator →