#405FFF#405FFF

#405FFF is a mid, highly saturated blue. Relative luminance 0.165; OKLCH L 56.5% C 0.238 H 268.7°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#405FFF
RGB	rgb(64, 95, 255)
HSL	hsl(230, 100%, 63%)
HSV	hsv(230, 75%, 100%)
CMYK	cmyk(74.9%, 62.7%, 0%, 0%)
CIE-LAB	lab(47.61, 42.93, -82.43)
CIE-LCH	lch(47.61, 92.94, 297.51°)
OKLab	oklab(56.52% -0.0054 -0.2384)
OKLCH	oklch(56.52% 0.238 268.7)
XYZ	xyz(24.2503, 16.4917, 96.4935)
Luminance	0.1649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FFF #FFE040

analogous

#40BEFF #405FFF #8140FF

triadic

#405FFF #FF405F #5FFF40

tetradic

#405FFF #FF40BE #FFE040 #40FF81

square

#405FFF #FF40BE #FFE040 #40FF81

split-complementary

#405FFF #FF8140 #BEFF40

monochromatic

#0020C5 #032CFF #405FFF #7D92FF #BAC6FF

Accessibility & contrast

On white

4.89

#405FFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#405FFF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FFF

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FFF	#FFFFFF	#000000	##FFFFFF
##405FFF	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AFF

Deuteranopia (green-blind)

#0068FC

Tritanopia (blue-blind)

#0089A6

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #405fff;
/* rgb */ color: rgb(64, 95, 255);
/* oklch */ color: oklch(56.5% 0.238 268.7);

Tailwind

colors: {
  custom: {
    50: '#908cff',
    500: '#405fff',
    950: '#000000',
  },
}

SCSS

$custom: #405fff;
$custom-light: #908cff;
$custom-dark: #000000;

JSON

{
  "hex": "#405fff",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 255
  },
  "hsl": {
    "h": 230.262,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.56524,
    "c": 0.23846,
    "h": 268.7
  },
  "luminance": 0.16494
}

Semantic roles & 50–950 ramp

primary

#405FFF

secondary

#F0E5AB

accent

#C000E6

background

#F9F8FF

surface

#F2F0FF

border

#CCCBD7

text

#0F0C18

muted

#7E7D86

Preview Lab

Preview with #405FFF

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

Preview Lab → · Contrast checker → · Palette generator →