#405FC3#405FC3

#405FC3 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.7% C 0.160 H 267.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#405FC3
RGB	rgb(64, 95, 195)
HSL	hsl(226, 52%, 51%)
HSV	hsv(226, 67%, 76%)
CMYK	cmyk(67.2%, 51.3%, 0%, 23.5%)
CIE-LAB	lab(43.08, 21.72, -55.78)
CIE-LCH	lch(43.08, 59.86, 291.27°)
OKLab	oklab(51.73% -0.0068 -0.1601)
OKLCH	oklch(51.73% 0.16 267.6)
XYZ	xyz(16.0535, 13.2130, 53.3235)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FC3 #C3A440

analogous

#40A0C3 #405FC3 #6340C3

triadic

#405FC3 #C3405F #5FC340

tetradic

#405FC3 #C340A0 #C3A440 #40C363

square

#405FC3 #C340A0 #C3A440 #40C363

split-complementary

#405FC3 #C36340 #A0C340

monochromatic

#213268 #2F4897 #405FC3 #6F86D2 #9DADE0

Accessibility & contrast

On white

5.76

#405FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#405FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FC3

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FC3	#FFFFFF	#000000	##FFFFFF
##405FC3	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#236CC7

Deuteranopia (green-blind)

#0060C1

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405fc3;
/* rgb */ color: rgb(64, 95, 195);
/* oklch */ color: oklch(51.7% 0.160 267.6);

Tailwind

colors: {
  custom: {
    50: '#838cd6',
    500: '#405fc3',
    950: '#000000',
  },
}

SCSS

$custom: #405fc3;
$custom-light: #838cd6;
$custom-dark: #000000;

JSON

{
  "hex": "#405fc3",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 195
  },
  "hsl": {
    "h": 225.802,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51726,
    "c": 0.16028,
    "h": 267.6
  },
  "luminance": 0.13215
}

Semantic roles & 50–950 ramp

primary

#405FC3

secondary

#CCBF92

accent

#BA4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #405FC3

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

Preview Lab → · Contrast checker → · Palette generator →