#405FCA#405FCA

#405FCA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.170 H 267.9°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#405FCA
RGB	rgb(64, 95, 202)
HSL	hsl(227, 57%, 52%)
HSV	hsv(227, 68%, 79%)
CMYK	cmyk(68.3%, 53%, 0%, 20.8%)
CIE-LAB	lab(43.56, 24.23, -59.05)
CIE-LCH	lch(43.56, 63.83, 292.31°)
OKLab	oklab(52.24% -0.0062 -0.1698)
OKLCH	oklch(52.24% 0.17 267.9)
XYZ	xyz(16.8636, 13.5370, 57.5899)
Luminance	0.1354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FCA #CAAB40

analogous

#40A4CA #405FCA #6640CA

triadic

#405FCA #CA405F #5FCA40

tetradic

#405FCA #CA40A4 #CAAB40 #40CA66

square

#405FCA #CA40A4 #CAAB40 #40CA66

split-complementary

#405FCA #CA6640 #A4CA40

monochromatic

#1F3170 #2C47A0 #405FCA #7087D7 #A0AFE5

Accessibility & contrast

On white

5.66

#405FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#405FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FCA

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FCA	#FFFFFF	#000000	##FFFFFF
##405FCA	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#156ECE

Deuteranopia (green-blind)

#0061C8

Tritanopia (blue-blind)

#00798B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #405fca;
/* rgb */ color: rgb(64, 95, 202);
/* oklch */ color: oklch(52.2% 0.170 267.9);

Tailwind

colors: {
  custom: {
    50: '#858cdb',
    500: '#405fca',
    950: '#000000',
  },
}

SCSS

$custom: #405fca;
$custom-light: #858cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#405fca",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 202
  },
  "hsl": {
    "h": 226.522,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52241,
    "c": 0.16986,
    "h": 267.9
  },
  "luminance": 0.13539
}

Semantic roles & 50–950 ramp

primary

#405FCA

secondary

#D1C395

accent

#BE48E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #405FCA

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

Preview Lab → · Contrast checker → · Palette generator →