#405EC9#405EC9

#405EC9 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.170 H 268.2°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#405EC9
RGB	rgb(64, 94, 201)
HSL	hsl(227, 56%, 52%)
HSV	hsv(227, 68%, 79%)
CMYK	cmyk(68.2%, 53.2%, 0%, 21.2%)
CIE-LAB	lab(43.23, 24.51, -59.01)
CIE-LCH	lch(43.23, 63.90, 292.55°)
OKLab	oklab(51.97% -0.0054 -0.1697)
OKLCH	oklch(51.97% 0.17 268.2)
XYZ	xyz(16.6560, 13.3108, 56.9385)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EC9 #C9AB40

analogous

#40A3C9 #405EC9 #6740C9

triadic

#405EC9 #C9405E #5EC940

tetradic

#405EC9 #C940A3 #C9AB40 #40C967

square

#405EC9 #C940A3 #C9AB40 #40C967

split-complementary

#405EC9 #C96740 #A3C940

monochromatic

#1F316F #2D469F #405EC9 #7086D6 #9FAEE4

Accessibility & contrast

On white

5.73

#405EC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#405EC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EC9

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EC9	#FFFFFF	#000000	##FFFFFF
##405EC9	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#126DCD

Deuteranopia (green-blind)

#0060C7

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405ec9;
/* rgb */ color: rgb(64, 94, 201);
/* oklch */ color: oklch(52.0% 0.170 268.2);

Tailwind

colors: {
  custom: {
    50: '#848bda',
    500: '#405ec9',
    950: '#000000',
  },
}

SCSS

$custom: #405ec9;
$custom-light: #848bda;
$custom-dark: #000000;

JSON

{
  "hex": "#405ec9",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 201
  },
  "hsl": {
    "h": 226.861,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51967,
    "c": 0.16975,
    "h": 268.2
  },
  "luminance": 0.13312
}

Semantic roles & 50–950 ramp

primary

#405EC9

secondary

#D0C394

accent

#BE49DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405EC9

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

Preview Lab → · Contrast checker → · Palette generator →