#405AC9#405AC9

#405AC9 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.175 H 269.3°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#405AC9
RGB	rgb(64, 90, 201)
HSL	hsl(229, 56%, 52%)
HSV	hsv(229, 68%, 79%)
CMYK	cmyk(68.2%, 55.2%, 0%, 21.2%)
CIE-LAB	lab(42.18, 27.06, -60.71)
CIE-LCH	lch(42.18, 66.47, 294.03°)
OKLab	oklab(51.18% -0.002 -0.1747)
OKLCH	oklch(51.18% 0.175 269.3)
XYZ	xyz(16.3095, 12.6178, 56.8230)
Luminance	0.1262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AC9 #C9AF40

analogous

#409FC9 #405AC9 #6B40C9

triadic

#405AC9 #C9405A #5AC940

tetradic

#405AC9 #C9409F #C9AF40 #40C96B

square

#405AC9 #C9409F #C9AF40 #40C96B

split-complementary

#405AC9 #C96B40 #9FC940

monochromatic

#1F2F6F #2D439F #405AC9 #7083D6 #9FACE4

Accessibility & contrast

On white

5.96

#405AC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#405AC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AC9

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AC9	#FFFFFF	#000000	##FFFFFF
##405AC9	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ACD

Deuteranopia (green-blind)

#005EC7

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405ac9;
/* rgb */ color: rgb(64, 90, 201);
/* oklch */ color: oklch(51.2% 0.175 269.3);

Tailwind

colors: {
  custom: {
    50: '#8588da',
    500: '#405ac9',
    950: '#000000',
  },
}

SCSS

$custom: #405ac9;
$custom-light: #8588da;
$custom-dark: #000000;

JSON

{
  "hex": "#405ac9",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 201
  },
  "hsl": {
    "h": 228.613,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51179,
    "c": 0.17471,
    "h": 269.3
  },
  "luminance": 0.12619
}

Semantic roles & 50–950 ramp

primary

#405AC9

secondary

#D0C594

accent

#C349DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405AC9

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

Preview Lab → · Contrast checker → · Palette generator →