#405BBE#405BBE

#405BBE is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.5% C 0.158 H 268.7°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#405BBE
RGB	rgb(64, 91, 190)
HSL	hsl(227, 50%, 50%)
HSV	hsv(227, 66%, 75%)
CMYK	cmyk(66.3%, 52.1%, 0%, 25.5%)
CIE-LAB	lab(41.67, 22.50, -55.15)
CIE-LCH	lch(41.67, 59.57, 292.19°)
OKLab	oklab(50.55% -0.0037 -0.1583)
OKLCH	oklch(50.55% 0.158 268.7)
XYZ	xyz(15.1465, 12.2885, 50.2789)
Luminance	0.1229 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BBE #BEA340

analogous

#409ABE #405BBE #6440BE

triadic

#405BBE #BE405B #5BBE40

tetradic

#405BBE #BE409A #BEA340 #40BE64

square

#405BBE #BE409A #BEA340 #40BE64

split-complementary

#405BBE #BE6440 #9ABE40

monochromatic

#212F62 #314590 #405BBE #6D82CE #9BA9DD

Accessibility & contrast

On white

6.07

#405BBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#405BBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BBE

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BBE	#FFFFFF	#000000	##FFFFFF
##405BBE	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D68C2

Deuteranopia (green-blind)

#005DBC

Tritanopia (blue-blind)

#007284

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #405bbe;
/* rgb */ color: rgb(64, 91, 190);
/* oklch */ color: oklch(50.5% 0.158 268.7);

Tailwind

colors: {
  custom: {
    50: '#8389d2',
    500: '#405bbe',
    950: '#000000',
  },
}

SCSS

$custom: #405bbe;
$custom-light: #8389d2;
$custom-dark: #000000;

JSON

{
  "hex": "#405bbe",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 190
  },
  "hsl": {
    "h": 227.143,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.50549,
    "c": 0.15838,
    "h": 268.7
  },
  "luminance": 0.1229
}

Semantic roles & 50–950 ramp

primary

#405BBE

secondary

#C9BD90

accent

#BB4FD9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405BBE

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

Preview Lab → · Contrast checker → · Palette generator →