#405FD6#405FD6

#405FD6 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.2% C 0.186 H 268.3°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#405FD6
RGB	rgb(64, 95, 214)
HSL	hsl(228, 65%, 55%)
HSV	hsv(228, 70%, 84%)
CMYK	cmyk(70.1%, 55.6%, 0%, 16.1%)
CIE-LAB	lab(44.42, 28.52, -64.55)
CIE-LCH	lch(44.42, 70.57, 293.83°)
OKLab	oklab(53.15% -0.0055 -0.1859)
OKLCH	oklch(53.15% 0.186 268.3)
XYZ	xyz(18.3400, 14.1276, 65.3657)
Luminance	0.1413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FD6 #D6B740

analogous

#40AAD6 #405FD6 #6C40D6

triadic

#405FD6 #D6405F #5FD640

tetradic

#405FD6 #D640AA #D6B740 #40D66C

square

#405FD6 #D640AA #D6B740 #40D66C

split-complementary

#405FD6 #D66C40 #AAD640

monochromatic

#1B3080 #2643B2 #405FD6 #7289E1 #A5B3EC

Accessibility & contrast

On white

5.49

#405FD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#405FD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FD6

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FD6	#FFFFFF	#000000	##FFFFFF
##405FD6	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DA

Deuteranopia (green-blind)

#0062D4

Tritanopia (blue-blind)

#007C91

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #405fd6;
/* rgb */ color: rgb(64, 95, 214);
/* oklch */ color: oklch(53.2% 0.186 268.3);

Tailwind

colors: {
  custom: {
    50: '#878ce3',
    500: '#405fd6',
    950: '#000000',
  },
}

SCSS

$custom: #405fd6;
$custom-light: #878ce3;
$custom-dark: #000000;

JSON

{
  "hex": "#405fd6",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 214
  },
  "hsl": {
    "h": 227.6,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.53154,
    "c": 0.18602,
    "h": 268.3
  },
  "luminance": 0.14129
}

Semantic roles & 50–950 ramp

primary

#405FD6

secondary

#D9CC99

accent

#C540E8

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #405FD6

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

Preview Lab → · Contrast checker → · Palette generator →