#405DCC#405DCC

#405DCC is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.175 H 268.6°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#405DCC
RGB	rgb(64, 93, 204)
HSL	hsl(228, 58%, 53%)
HSV	hsv(228, 69%, 80%)
CMYK	cmyk(68.6%, 54.4%, 0%, 20%)
CIE-LAB	lab(43.18, 26.22, -60.83)
CIE-LCH	lch(43.18, 66.24, 293.32°)
OKLab	oklab(52% -0.0044 -0.175)
OKLCH	oklch(52% 0.175 268.6)
XYZ	xyz(16.9240, 13.2767, 58.7858)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DCC #CCAF40

analogous

#40A3CC #405DCC #6940CC

triadic

#405DCC #CC405D #5DCC40

tetradic

#405DCC #CC40A3 #CCAF40 #40CC69

square

#405DCC #CC40A3 #CCAF40 #40CC69

split-complementary

#405DCC #CC6940 #A3CC40

monochromatic

#1F3073 #2C44A3 #405DCC #7086D9 #A1AFE6

Accessibility & contrast

On white

5.74

#405DCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#405DCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DCC

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DCC	#FFFFFF	#000000	##FFFFFF
##405DCC	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD0

Deuteranopia (green-blind)

#0060CA

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405dcc;
/* rgb */ color: rgb(64, 93, 204);
/* oklch */ color: oklch(52.0% 0.175 268.6);

Tailwind

colors: {
  custom: {
    50: '#858adc',
    500: '#405dcc',
    950: '#000000',
  },
}

SCSS

$custom: #405dcc;
$custom-light: #858adc;
$custom-dark: #000000;

JSON

{
  "hex": "#405dcc",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 204
  },
  "hsl": {
    "h": 227.571,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.51996,
    "c": 0.17505,
    "h": 268.6
  },
  "luminance": 0.13278
}

Semantic roles & 50–950 ramp

primary

#405DCC

secondary

#D2C695

accent

#C147E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405DCC

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

Preview Lab → · Contrast checker → · Palette generator →