#405EC3#405EC3

#405EC3 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.162 H 267.9°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#405EC3
RGB	rgb(64, 94, 195)
HSL	hsl(226, 52%, 51%)
HSV	hsv(226, 67%, 76%)
CMYK	cmyk(67.2%, 51.8%, 0%, 23.5%)
CIE-LAB	lab(42.81, 22.36, -56.21)
CIE-LCH	lch(42.81, 60.50, 291.69°)
OKLab	oklab(51.52% -0.0059 -0.1614)
OKLCH	oklch(51.52% 0.162 267.9)
XYZ	xyz(15.9640, 13.0340, 53.2937)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EC3 #C3A540

analogous

#409FC3 #405EC3 #6440C3

triadic

#405EC3 #C3405E #5EC340

tetradic

#405EC3 #C3409F #C3A540 #40C364

square

#405EC3 #C3409F #C3A540 #40C364

split-complementary

#405EC3 #C36440 #9FC340

monochromatic

#213168 #2F4797 #405EC3 #6F85D2 #9DADE0

Accessibility & contrast

On white

5.82

#405EC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#405EC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EC3

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EC3	#FFFFFF	#000000	##FFFFFF
##405EC3	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6BC7

Deuteranopia (green-blind)

#005FC1

Tritanopia (blue-blind)

#007687

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405ec3;
/* rgb */ color: rgb(64, 94, 195);
/* oklch */ color: oklch(51.5% 0.162 267.9);

Tailwind

colors: {
  custom: {
    50: '#838bd6',
    500: '#405ec3',
    950: '#000000',
  },
}

SCSS

$custom: #405ec3;
$custom-light: #838bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#405ec3",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 195
  },
  "hsl": {
    "h": 226.26,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51523,
    "c": 0.16152,
    "h": 267.9
  },
  "luminance": 0.13036
}

Semantic roles & 50–950 ramp

primary

#405EC3

secondary

#CCBF92

accent

#BB4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405EC3

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

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