#405BA3#405BA3

#405BA3 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.7% C 0.120 H 266.5°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#405BA3
RGB	rgb(64, 91, 163)
HSL	hsl(224, 44%, 45%)
HSV	hsv(224, 61%, 64%)
CMYK	cmyk(60.7%, 44.2%, 0%, 36.1%)
CIE-LAB	lab(39.94, 12.90, -42.04)
CIE-LCH	lch(39.94, 43.97, 287.06°)
OKLab	oklab(48.68% -0.0073 -0.1198)
OKLCH	oklch(48.68% 0.12 266.5)
XYZ	xyz(12.4640, 11.2155, 36.1512)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BA3 #A38840

analogous

#408DA3 #405BA3 #5640A3

triadic

#405BA3 #A3405B #5BA340

tetradic

#405BA3 #A3408D #A38840 #40A356

square

#405BA3 #A3408D #A38840 #40A356

split-complementary

#405BA3 #A35640 #8DA340

monochromatic

#1D2A4B #2F4277 #405BA3 #607AC0 #8C9FD2

Accessibility & contrast

On white

6.47

#405BA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#405BA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BA3

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BA3	#FFFFFF	#000000	##FFFFFF
##405BA3	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A63A6

Deuteranopia (green-blind)

#2C5AA1

Tritanopia (blue-blind)

#006B77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #405ba3;
/* rgb */ color: rgb(64, 91, 163);
/* oklch */ color: oklch(48.7% 0.120 266.5);

Tailwind

colors: {
  custom: {
    50: '#7e89bf',
    500: '#405ba3',
    950: '#000000',
  },
}

SCSS

$custom: #405ba3;
$custom-light: #7e89bf;
$custom-dark: #000000;

JSON

{
  "hex": "#405ba3",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 163
  },
  "hsl": {
    "h": 223.636,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48675,
    "c": 0.12,
    "h": 266.5
  },
  "luminance": 0.11217
}

Semantic roles & 50–950 ramp

primary

#405BA3

secondary

#BDAD82

accent

#B154D3

background

#F8F8FB

surface

#EFEFF7

border

#CACAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #405BA3

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

Preview Lab → · Contrast checker → · Palette generator →