#405AA3#405AA3

#405AA3 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.5% C 0.121 H 267.1°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#405AA3
RGB	rgb(64, 90, 163)
HSL	hsl(224, 44%, 45%)
HSV	hsv(224, 61%, 64%)
CMYK	cmyk(60.7%, 44.8%, 0%, 36.1%)
CIE-LAB	lab(39.66, 13.55, -42.49)
CIE-LCH	lch(39.66, 44.60, 287.68°)
OKLab	oklab(48.46% -0.0062 -0.1211)
OKLCH	oklch(48.46% 0.121 267.1)
XYZ	xyz(12.3791, 11.0456, 36.1229)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AA3 #A38940

analogous

#408CA3 #405AA3 #5740A3

triadic

#405AA3 #A3405A #5AA340

tetradic

#405AA3 #A3408C #A38940 #40A357

square

#405AA3 #A3408C #A38940 #40A357

split-complementary

#405AA3 #A35740 #8CA340

monochromatic

#1D294B #2F4277 #405AA3 #6079C0 #8C9ED2

Accessibility & contrast

On white

6.54

#405AA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#405AA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AA3

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AA3	#FFFFFF	#000000	##FFFFFF
##405AA3	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3962A6

Deuteranopia (green-blind)

#2A59A1

Tritanopia (blue-blind)

#006A76

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #405aa3;
/* rgb */ color: rgb(64, 90, 163);
/* oklch */ color: oklch(48.5% 0.121 267.1);

Tailwind

colors: {
  custom: {
    50: '#7e88bf',
    500: '#405aa3',
    950: '#000000',
  },
}

SCSS

$custom: #405aa3;
$custom-light: #7e88bf;
$custom-dark: #000000;

JSON

{
  "hex": "#405aa3",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 163
  },
  "hsl": {
    "h": 224.242,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48457,
    "c": 0.12128,
    "h": 267.1
  },
  "luminance": 0.11047
}

Semantic roles & 50–950 ramp

primary

#405AA3

secondary

#BDAD82

accent

#B254D3

background

#F8F8FB

surface

#EFEFF7

border

#CACAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #405AA3

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

Preview Lab → · Contrast checker → · Palette generator →