#405DCA#405DCA

#405DCA is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.8% C 0.172 H 268.5°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#405DCA
RGB	rgb(64, 93, 202)
HSL	hsl(227, 57%, 52%)
HSV	hsv(227, 68%, 79%)
CMYK	cmyk(68.3%, 54%, 0%, 20.8%)
CIE-LAB	lab(43.04, 25.50, -59.90)
CIE-LCH	lch(43.04, 65.11, 293.06°)
OKLab	oklab(51.84% -0.0045 -0.1723)
OKLCH	oklch(51.84% 0.172 268.5)
XYZ	xyz(16.6857, 13.1813, 57.5306)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DCA #CAAD40

analogous

#40A2CA #405DCA #6840CA

triadic

#405DCA #CA405D #5DCA40

tetradic

#405DCA #CA40A2 #CAAD40 #40CA68

square

#405DCA #CA40A2 #CAAD40 #40CA68

split-complementary

#405DCA #CA6840 #A2CA40

monochromatic

#1F3070 #2C45A0 #405DCA #7086D7 #A0AEE5

Accessibility & contrast

On white

5.77

#405DCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#405DCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DCA

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DCA	#FFFFFF	#000000	##FFFFFF
##405DCA	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#076CCE

Deuteranopia (green-blind)

#0060C8

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405dca;
/* rgb */ color: rgb(64, 93, 202);
/* oklch */ color: oklch(51.8% 0.172 268.5);

Tailwind

colors: {
  custom: {
    50: '#858adb',
    500: '#405dca',
    950: '#000000',
  },
}

SCSS

$custom: #405dca;
$custom-light: #858adb;
$custom-dark: #000000;

JSON

{
  "hex": "#405dca",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 202
  },
  "hsl": {
    "h": 227.391,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.51844,
    "c": 0.17235,
    "h": 268.5
  },
  "luminance": 0.13183
}

Semantic roles & 50–950 ramp

primary

#405DCA

secondary

#D1C495

accent

#C048E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405DCA

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

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