#405EBC#405EBC

#405EBC is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.0% C 0.152 H 267.5°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#405EBC
RGB	rgb(64, 94, 188)
HSL	hsl(225, 49%, 49%)
HSV	hsv(225, 66%, 74%)
CMYK	cmyk(66%, 50%, 0%, 26.3%)
CIE-LAB	lab(42.35, 19.85, -52.90)
CIE-LCH	lch(42.35, 56.50, 290.57°)
OKLab	oklab(51.02% -0.0067 -0.1517)
OKLCH	oklch(51.02% 0.152 267.5)
XYZ	xyz(15.1910, 12.7248, 49.2228)
Luminance	0.1273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EBC #BC9E40

analogous

#409CBC #405EBC #6040BC

triadic

#405EBC #BC405E #5EBC40

tetradic

#405EBC #BC409C #BC9E40 #40BC60

square

#405EBC #BC409C #BC9E40 #40BC60

split-complementary

#405EBC #BC6040 #9CBC40

monochromatic

#213061 #30478E #405EBC #6C84CD #9AAADD

Accessibility & contrast

On white

5.92

#405EBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#405EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EBC

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EBC	#FFFFFF	#000000	##FFFFFF
##405EBC	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296ABF

Deuteranopia (green-blind)

#025FBA

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405ebc;
/* rgb */ color: rgb(64, 94, 188);
/* oklch */ color: oklch(51.0% 0.152 267.5);

Tailwind

colors: {
  custom: {
    50: '#828bd1',
    500: '#405ebc',
    950: '#000000',
  },
}

SCSS

$custom: #405ebc;
$custom-light: #828bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#405ebc",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 188
  },
  "hsl": {
    "h": 225.484,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.51017,
    "c": 0.15182,
    "h": 267.5
  },
  "luminance": 0.12726
}

Semantic roles & 50–950 ramp

primary

#405EBC

secondary

#C9BB8F

accent

#B74FD9

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #405EBC

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

Preview Lab → · Contrast checker → · Palette generator →