#405CA4#405CA4

#405CA4 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.0% C 0.120 H 266.1°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#405CA4
RGB	rgb(64, 92, 164)
HSL	hsl(223, 44%, 45%)
HSV	hsv(223, 61%, 64%)
CMYK	cmyk(61%, 43.9%, 0%, 35.7%)
CIE-LAB	lab(40.28, 12.61, -42.09)
CIE-LCH	lch(40.28, 43.93, 286.68°)
OKLab	oklab(48.96% -0.0082 -0.1199)
OKLCH	oklch(48.96% 0.12 266.1)
XYZ	xyz(12.6401, 11.4236, 36.6536)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CA4 #A48840

analogous

#408EA4 #405CA4 #5640A4

triadic

#405CA4 #A4405C #5CA440

tetradic

#405CA4 #A4408E #A48840 #40A456

square

#405CA4 #A4408E #A48840 #40A456

split-complementary

#405CA4 #A45640 #8EA440

monochromatic

#1E2B4C #2F4378 #405CA4 #607BC1 #8CA0D2

Accessibility & contrast

On white

6.39

#405CA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#405CA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CA4

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CA4	#FFFFFF	#000000	##FFFFFF
##405CA4	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B64A7

Deuteranopia (green-blind)

#2D5BA2

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #405ca4;
/* rgb */ color: rgb(64, 92, 164);
/* oklch */ color: oklch(49.0% 0.120 266.1);

Tailwind

colors: {
  custom: {
    50: '#7e89bf',
    500: '#405ca4',
    950: '#000000',
  },
}

SCSS

$custom: #405ca4;
$custom-light: #7e89bf;
$custom-dark: #000000;

JSON

{
  "hex": "#405ca4",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 164
  },
  "hsl": {
    "h": 223.2,
    "s": 43.86,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48959,
    "c": 0.12018,
    "h": 266.1
  },
  "luminance": 0.11425
}

Semantic roles & 50–950 ramp

primary

#405CA4

secondary

#BDAD83

accent

#B054D4

background

#F8F8FB

surface

#EFF0F7

border

#CACBD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #405CA4

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

Preview Lab → · Contrast checker → · Palette generator →