#405BD5#405BD5

#405BD5 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.3% C 0.190 H 269.3°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#405BD5
RGB	rgb(64, 91, 213)
HSL	hsl(229, 64%, 54%)
HSV	hsv(229, 70%, 84%)
CMYK	cmyk(70%, 57.3%, 0%, 16.5%)
CIE-LAB	lab(43.32, 30.70, -65.76)
CIE-LCH	lch(43.32, 72.57, 295.02°)
OKLab	oklab(52.31% -0.0024 -0.1895)
OKLCH	oklch(52.31% 0.19 269.3)
XYZ	xyz(17.8616, 13.3745, 64.5781)
Luminance	0.1338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BD5 #D5BA40

analogous

#40A5D5 #405BD5 #7040D5

triadic

#405BD5 #D5405B #5BD540

tetradic

#405BD5 #D540A5 #D5BA40 #40D570

square

#405BD5 #D540A5 #D5BA40 #40D570

split-complementary

#405BD5 #D57040 #A5D540

monochromatic

#1C2E7F #2740B1 #405BD5 #7286E0 #A4B1EB

Accessibility & contrast

On white

5.71

#405BD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#405BD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BD5

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BD5	#FFFFFF	#000000	##FFFFFF
##405BD5	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD9

Deuteranopia (green-blind)

#0060D3

Tritanopia (blue-blind)

#00798F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405bd5;
/* rgb */ color: rgb(64, 91, 213);
/* oklch */ color: oklch(52.3% 0.190 269.3);

Tailwind

colors: {
  custom: {
    50: '#8789e3',
    500: '#405bd5',
    950: '#000000',
  },
}

SCSS

$custom: #405bd5;
$custom-light: #8789e3;
$custom-dark: #000000;

JSON

{
  "hex": "#405bd5",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 213
  },
  "hsl": {
    "h": 229.128,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52312,
    "c": 0.18954,
    "h": 269.3
  },
  "luminance": 0.13376
}

Semantic roles & 50–950 ramp

primary

#405BD5

secondary

#D8CD99

accent

#C941E7

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #405BD5

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

Preview Lab → · Contrast checker → · Palette generator →