#405FC9#405FC9

#405FC9 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.169 H 267.9°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#405FC9
RGB	rgb(64, 95, 201)
HSL	hsl(226, 56%, 52%)
HSV	hsv(226, 68%, 79%)
CMYK	cmyk(68.2%, 52.7%, 0%, 21.2%)
CIE-LAB	lab(43.49, 23.87, -58.59)
CIE-LCH	lch(43.49, 63.26, 292.17°)
OKLab	oklab(52.17% -0.0063 -0.1684)
OKLCH	oklch(52.17% 0.169 267.9)
XYZ	xyz(16.7455, 13.4898, 56.9683)
Luminance	0.1349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FC9 #C9AA40

analogous

#40A4C9 #405FC9 #6640C9

triadic

#405FC9 #C9405F #5FC940

tetradic

#405FC9 #C940A4 #C9AA40 #40C966

square

#405FC9 #C940A4 #C9AA40 #40C966

split-complementary

#405FC9 #C96640 #A4C940

monochromatic

#1F316F #2D479F #405FC9 #7087D6 #9FAFE4

Accessibility & contrast

On white

5.68

#405FC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#405FC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FC9

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FC9	#FFFFFF	#000000	##FFFFFF
##405FC9	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#176DCD

Deuteranopia (green-blind)

#0061C7

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #405fc9;
/* rgb */ color: rgb(64, 95, 201);
/* oklch */ color: oklch(52.2% 0.169 267.9);

Tailwind

colors: {
  custom: {
    50: '#848cda',
    500: '#405fc9',
    950: '#000000',
  },
}

SCSS

$custom: #405fc9;
$custom-light: #848cda;
$custom-dark: #000000;

JSON

{
  "hex": "#405fc9",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 201
  },
  "hsl": {
    "h": 226.423,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.52166,
    "c": 0.16851,
    "h": 267.9
  },
  "luminance": 0.13491
}

Semantic roles & 50–950 ramp

primary

#405FC9

secondary

#D0C394

accent

#BD49DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #405FC9

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

Preview Lab → · Contrast checker → · Palette generator →