#405CAF#405CAF

#405CAF is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.7% C 0.136 H 267.3°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#405CAF
RGB	rgb(64, 92, 175)
HSL	hsl(225, 46%, 47%)
HSV	hsv(225, 63%, 69%)
CMYK	cmyk(63.4%, 47.4%, 0%, 31.4%)
CIE-LAB	lab(40.96, 16.50, -47.52)
CIE-LCH	lch(40.96, 50.30, 289.15°)
OKLab	oklab(49.69% -0.0064 -0.1359)
OKLCH	oklch(49.69% 0.136 267.3)
XYZ	xyz(13.6767, 11.8382, 42.1134)
Luminance	0.1184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CAF #AF9340

analogous

#4094AF #405CAF #5C40AF

triadic

#405CAF #AF405C #5CAF40

tetradic

#405CAF #AF4094 #AF9340 #40AF5C

square

#405CAF #AF4094 #AF9340 #40AF5C

split-complementary

#405CAF #AF5C40 #94AF40

monochromatic

#1F2D55 #304482 #405CAF #657EC7 #92A4D7

Accessibility & contrast

On white

6.24

#405CAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#405CAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CAF

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CAF	#FFFFFF	#000000	##FFFFFF
##405CAF	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3366B2

Deuteranopia (green-blind)

#1E5CAD

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #405caf;
/* rgb */ color: rgb(64, 92, 175);
/* oklch */ color: oklch(49.7% 0.136 267.3);

Tailwind

colors: {
  custom: {
    50: '#8089c7',
    500: '#405caf',
    950: '#000000',
  },
}

SCSS

$custom: #405caf;
$custom-light: #8089c7;
$custom-dark: #000000;

JSON

{
  "hex": "#405caf",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 175
  },
  "hsl": {
    "h": 224.865,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.49691,
    "c": 0.13601,
    "h": 267.3
  },
  "luminance": 0.11839
}

Semantic roles & 50–950 ramp

primary

#405CAF

secondary

#C3B488

accent

#B552D6

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #405CAF

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

Preview Lab → · Contrast checker → · Palette generator →