#405EC8#405EC8

#405EC8 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.9% C 0.168 H 268.1°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#405EC8
RGB	rgb(64, 94, 200)
HSL	hsl(227, 55%, 52%)
HSV	hsv(227, 68%, 78%)
CMYK	cmyk(68%, 53%, 0%, 21.6%)
CIE-LAB	lab(43.16, 24.15, -58.55)
CIE-LCH	lch(43.16, 63.33, 292.41°)
OKLab	oklab(51.89% -0.0055 -0.1683)
OKLCH	oklch(51.89% 0.168 268.1)
XYZ	xyz(16.5388, 13.2639, 56.3210)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EC8 #C8AA40

analogous

#40A2C8 #405EC8 #6640C8

triadic

#405EC8 #C8405E #5EC840

tetradic

#405EC8 #C840A2 #C8AA40 #40C866

square

#405EC8 #C840A2 #C8AA40 #40C866

split-complementary

#405EC8 #C86640 #A2C840

monochromatic

#20316E #2D469D #405EC8 #7086D6 #9FAEE3

Accessibility & contrast

On white

5.75

#405EC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#405EC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EC8

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EC8	#FFFFFF	#000000	##FFFFFF
##405EC8	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#156CCC

Deuteranopia (green-blind)

#0060C6

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405ec8;
/* rgb */ color: rgb(64, 94, 200);
/* oklch */ color: oklch(51.9% 0.168 268.1);

Tailwind

colors: {
  custom: {
    50: '#848bd9',
    500: '#405ec8',
    950: '#000000',
  },
}

SCSS

$custom: #405ec8;
$custom-light: #848bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#405ec8",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 200
  },
  "hsl": {
    "h": 226.765,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51892,
    "c": 0.16838,
    "h": 268.1
  },
  "luminance": 0.13266
}

Semantic roles & 50–950 ramp

primary

#405EC8

secondary

#D0C394

accent

#BE49DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405EC8

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

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