#405DFF#405DFF

#405DFF is a mid, highly saturated blue. Relative luminance 0.161; OKLCH L 56.2% C 0.241 H 269.0°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#405DFF
RGB	rgb(64, 93, 255)
HSL	hsl(231, 100%, 63%)
HSV	hsv(231, 75%, 100%)
CMYK	cmyk(74.9%, 63.5%, 0%, 0%)
CIE-LAB	lab(47.15, 44.14, -83.18)
CIE-LCH	lch(47.15, 94.17, 297.95°)
OKLab	oklab(56.19% -0.0042 -0.2406)
OKLCH	oklch(56.19% 0.241 269)
XYZ	xyz(24.0725, 16.1360, 96.4342)
Luminance	0.1614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DFF #FFE240

analogous

#40BDFF #405DFF #8240FF

triadic

#405DFF #FF405D #5DFF40

tetradic

#405DFF #FF40BD #FFE240 #40FF82

square

#405DFF #FF40BD #FFE240 #40FF82

split-complementary

#405DFF #FF8240 #BDFF40

monochromatic

#001EC5 #0329FF #405DFF #7D91FF #BAC5FF

Accessibility & contrast

On white

4.97

#405DFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#405DFF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DFF

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DFF	#FFFFFF	#000000	##FFFFFF
##405DFF	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079FF

Deuteranopia (green-blind)

#0067FC

Tritanopia (blue-blind)

#0088A6

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #405dff;
/* rgb */ color: rgb(64, 93, 255);
/* oklch */ color: oklch(56.2% 0.241 269.0);

Tailwind

colors: {
  custom: {
    50: '#908bff',
    500: '#405dff',
    950: '#000000',
  },
}

SCSS

$custom: #405dff;
$custom-light: #908bff;
$custom-dark: #000000;

JSON

{
  "hex": "#405dff",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 255
  },
  "hsl": {
    "h": 230.89,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.56186,
    "c": 0.24066,
    "h": 269
  },
  "luminance": 0.16139
}

Semantic roles & 50–950 ramp

primary

#405DFF

secondary

#F0E6AB

accent

#C300E6

background

#F9F8FF

surface

#F2F0FF

border

#CCCBD7

text

#0F0C18

muted

#7E7D86

Preview Lab

Preview with #405DFF

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

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