#405FAC#405FAC

#405FAC is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.1% C 0.128 H 265.5°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#405FAC
RGB	rgb(64, 95, 172)
HSL	hsl(223, 46%, 46%)
HSV	hsv(223, 63%, 67%)
CMYK	cmyk(62.8%, 44.8%, 0%, 32.5%)
CIE-LAB	lab(41.61, 13.51, -44.70)
CIE-LCH	lch(41.61, 46.69, 286.81°)
OKLab	oklab(50.13% -0.01 -0.1275)
OKLCH	oklch(50.13% 0.128 265.5)
XYZ	xyz(13.6504, 12.2518, 40.6672)
Luminance	0.1225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FAC #AC8D40

analogous

#4095AC #405FAC #5740AC

triadic

#405FAC #AC405F #5FAC40

tetradic

#405FAC #AC4095 #AC8D40 #40AC57

square

#405FAC #AC4095 #AC8D40 #40AC57

split-complementary

#405FAC #AC5740 #95AC40

monochromatic

#1F2E53 #2F467F #405FAC #6480C5 #91A4D6

Accessibility & contrast

On white

6.09

#405FAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#405FAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FAC

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FAC	#FFFFFF	#000000	##FFFFFF
##405FAC	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B67AF

Deuteranopia (green-blind)

#2A5EAA

Tritanopia (blue-blind)

#00707D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #405fac;
/* rgb */ color: rgb(64, 95, 172);
/* oklch */ color: oklch(50.1% 0.128 265.5);

Tailwind

colors: {
  custom: {
    50: '#7f8cc5',
    500: '#405fac',
    950: '#000000',
  },
}

SCSS

$custom: #405fac;
$custom-light: #7f8cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#405fac",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 172
  },
  "hsl": {
    "h": 222.778,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.50134,
    "c": 0.12793,
    "h": 265.5
  },
  "luminance": 0.12253
}

Semantic roles & 50–950 ramp

primary

#405FAC

secondary

#C1B087

accent

#B052D5

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #405FAC

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

Preview Lab → · Contrast checker → · Palette generator →