#405DC4#405DC4

#405DC4 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.4% C 0.164 H 268.3°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#405DC4
RGB	rgb(64, 93, 196)
HSL	hsl(227, 53%, 51%)
HSV	hsv(227, 67%, 77%)
CMYK	cmyk(67.3%, 52.6%, 0%, 23.1%)
CIE-LAB	lab(42.62, 23.36, -57.11)
CIE-LCH	lch(42.62, 61.70, 292.24°)
OKLab	oklab(51.4% -0.005 -0.1641)
OKLCH	oklch(51.4% 0.164 268.3)
XYZ	xyz(15.9891, 12.9027, 53.8617)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DC4 #C4A740

analogous

#409FC4 #405DC4 #6540C4

triadic

#405DC4 #C4405D #5DC440

tetradic

#405DC4 #C4409F #C4A740 #40C465

square

#405DC4 #C4409F #C4A740 #40C465

split-complementary

#405DC4 #C46540 #9FC440

monochromatic

#203069 #2F4698 #405DC4 #6F85D2 #9EACE1

Accessibility & contrast

On white

5.86

#405DC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#405DC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DC4

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DC4	#FFFFFF	#000000	##FFFFFF
##405DC4	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#196BC8

Deuteranopia (green-blind)

#005FC2

Tritanopia (blue-blind)

#007587

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #405dc4;
/* rgb */ color: rgb(64, 93, 196);
/* oklch */ color: oklch(51.4% 0.164 268.3);

Tailwind

colors: {
  custom: {
    50: '#848ad7',
    500: '#405dc4',
    950: '#000000',
  },
}

SCSS

$custom: #405dc4;
$custom-light: #848ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#405dc4",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 196
  },
  "hsl": {
    "h": 226.818,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51395,
    "c": 0.16415,
    "h": 268.3
  },
  "luminance": 0.12904
}

Semantic roles & 50–950 ramp

primary

#405DC4

secondary

#CDC093

accent

#BC4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405DC4

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

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