#405ECA#405ECA

#405ECA is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.0% C 0.171 H 268.2°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#405ECA
RGB	rgb(64, 94, 202)
HSL	hsl(227, 57%, 52%)
HSV	hsv(227, 68%, 79%)
CMYK	cmyk(68.3%, 53.5%, 0%, 20.8%)
CIE-LAB	lab(43.30, 24.87, -59.48)
CIE-LCH	lch(43.30, 64.47, 292.69°)
OKLab	oklab(52.04% -0.0054 -0.171)
OKLCH	oklch(52.04% 0.171 268.2)
XYZ	xyz(16.7741, 13.3580, 57.5600)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ECA #CAAC40

analogous

#40A3CA #405ECA #6740CA

triadic

#405ECA #CA405E #5ECA40

tetradic

#405ECA #CA40A3 #CAAC40 #40CA67

square

#405ECA #CA40A3 #CAAC40 #40CA67

split-complementary

#405ECA #CA6740 #A3CA40

monochromatic

#1F3170 #2C46A0 #405ECA #7086D7 #A0AFE5

Accessibility & contrast

On white

5.72

#405ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#405ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ECA

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ECA	#FFFFFF	#000000	##FFFFFF
##405ECA	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F6DCE

Deuteranopia (green-blind)

#0060C8

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #405eca;
/* rgb */ color: rgb(64, 94, 202);
/* oklch */ color: oklch(52.0% 0.171 268.2);

Tailwind

colors: {
  custom: {
    50: '#858bdb',
    500: '#405eca',
    950: '#000000',
  },
}

SCSS

$custom: #405eca;
$custom-light: #858bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#405eca",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 202
  },
  "hsl": {
    "h": 226.957,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52042,
    "c": 0.1711,
    "h": 268.2
  },
  "luminance": 0.1336
}

Semantic roles & 50–950 ramp

primary

#405ECA

secondary

#D1C495

accent

#BF48E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405ECA

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

Preview Lab → · Contrast checker → · Palette generator →