#405EC6#405EC6

#405EC6 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.7% C 0.166 H 268.0°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#405EC6
RGB	rgb(64, 94, 198)
HSL	hsl(227, 54%, 51%)
HSV	hsv(227, 68%, 78%)
CMYK	cmyk(67.7%, 52.5%, 0%, 22.4%)
CIE-LAB	lab(43.02, 23.43, -57.62)
CIE-LCH	lch(43.02, 62.20, 292.13°)
OKLab	oklab(51.74% -0.0057 -0.1655)
OKLCH	oklch(51.74% 0.166 268)
XYZ	xyz(16.3066, 13.1710, 55.0980)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405EC6 #C6A840

analogous

#40A1C6 #405EC6 #6540C6

triadic

#405EC6 #C6405E #5EC640

tetradic

#405EC6 #C640A1 #C6A840 #40C665

square

#405EC6 #C640A1 #C6A840 #40C665

split-complementary

#405EC6 #C66540 #A1C640

monochromatic

#20316C #2E469B #405EC6 #6F86D4 #9EADE2

Accessibility & contrast

On white

5.78

#405EC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#405EC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405EC6

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405EC6	#FFFFFF	#000000	##FFFFFF
##405EC6	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#196CCA

Deuteranopia (green-blind)

#0060C4

Tritanopia (blue-blind)

#007789

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405ec6;
/* rgb */ color: rgb(64, 94, 198);
/* oklch */ color: oklch(51.7% 0.166 268.0);

Tailwind

colors: {
  custom: {
    50: '#848bd8',
    500: '#405ec6',
    950: '#000000',
  },
}

SCSS

$custom: #405ec6;
$custom-light: #848bd8;
$custom-dark: #000000;

JSON

{
  "hex": "#405ec6",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 198
  },
  "hsl": {
    "h": 226.567,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.51744,
    "c": 0.16565,
    "h": 268
  },
  "luminance": 0.13173
}

Semantic roles & 50–950 ramp

primary

#405EC6

secondary

#CEC193

accent

#BC4ADD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405EC6

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

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