#405CCA#405CCA

#405CCA is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.6% C 0.174 H 268.8°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#405CCA
RGB	rgb(64, 92, 202)
HSL	hsl(228, 57%, 52%)
HSV	hsv(228, 68%, 79%)
CMYK	cmyk(68.3%, 54.5%, 0%, 20.8%)
CIE-LAB	lab(42.77, 26.14, -60.33)
CIE-LCH	lch(42.77, 65.75, 293.43°)
OKLab	oklab(51.65% -0.0037 -0.1735)
OKLCH	oklch(51.65% 0.174 268.8)
XYZ	xyz(16.5985, 13.0069, 57.5015)
Luminance	0.1301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405CCA #CAAE40

analogous

#40A1CA #405CCA #6940CA

triadic

#405CCA #CA405C #5CCA40

tetradic

#405CCA #CA40A1 #CAAE40 #40CA69

square

#405CCA #CA40A1 #CAAE40 #40CA69

split-complementary

#405CCA #CA6940 #A1CA40

monochromatic

#1F3070 #2C44A0 #405CCA #7085D7 #A0AEE5

Accessibility & contrast

On white

5.83

#405CCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#405CCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405CCA

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405CCA	#FFFFFF	#000000	##FFFFFF
##405CCA	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CCE

Deuteranopia (green-blind)

#005FC8

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405cca;
/* rgb */ color: rgb(64, 92, 202);
/* oklch */ color: oklch(51.6% 0.174 268.8);

Tailwind

colors: {
  custom: {
    50: '#8589db',
    500: '#405cca',
    950: '#000000',
  },
}

SCSS

$custom: #405cca;
$custom-light: #8589db;
$custom-dark: #000000;

JSON

{
  "hex": "#405cca",
  "rgb": {
    "r": 64,
    "g": 92,
    "b": 202
  },
  "hsl": {
    "h": 227.826,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51647,
    "c": 0.17359,
    "h": 268.8
  },
  "luminance": 0.13009
}

Semantic roles & 50–950 ramp

primary

#405CCA

secondary

#D1C595

accent

#C148E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405CCA

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

Preview Lab → · Contrast checker → · Palette generator →