#405BC7#405BC7

#405BC7 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.2% C 0.171 H 269.0°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#405BC7
RGB	rgb(64, 91, 199)
HSL	hsl(228, 55%, 52%)
HSV	hsv(228, 68%, 78%)
CMYK	cmyk(67.8%, 54.3%, 0%, 22%)
CIE-LAB	lab(42.30, 25.71, -59.36)
CIE-LCH	lch(42.30, 64.69, 293.42°)
OKLab	oklab(51.22% -0.003 -0.1707)
OKLCH	oklch(51.22% 0.171 269)
XYZ	xyz(16.1607, 12.6941, 55.6203)
Luminance	0.1270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405BC7 #C7AC40

analogous

#409FC7 #405BC7 #6940C7

triadic

#405BC7 #C7405B #5BC740

tetradic

#405BC7 #C7409F #C7AC40 #40C769

square

#405BC7 #C7409F #C7AC40 #40C769

split-complementary

#405BC7 #C76940 #9FC740

monochromatic

#202F6D #2E449C #405BC7 #6F84D5 #9FACE3

Accessibility & contrast

On white

5.93

#405BC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#405BC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405BC7

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405BC7	#FFFFFF	#000000	##FFFFFF
##405BC7	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#036ACB

Deuteranopia (green-blind)

#005EC5

Tritanopia (blue-blind)

#007588

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405bc7;
/* rgb */ color: rgb(64, 91, 199);
/* oklch */ color: oklch(51.2% 0.171 269.0);

Tailwind

colors: {
  custom: {
    50: '#8489d9',
    500: '#405bc7',
    950: '#000000',
  },
}

SCSS

$custom: #405bc7;
$custom-light: #8489d9;
$custom-dark: #000000;

JSON

{
  "hex": "#405bc7",
  "rgb": {
    "r": 64,
    "g": 91,
    "b": 199
  },
  "hsl": {
    "h": 228,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51222,
    "c": 0.17076,
    "h": 269
  },
  "luminance": 0.12696
}

Semantic roles & 50–950 ramp

primary

#405BC7

secondary

#CFC394

accent

#C04ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405BC7

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

Preview Lab → · Contrast checker → · Palette generator →