#405ECC#405ECC

#405ECC is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.174 H 268.3°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#405ECC
RGB	rgb(64, 94, 204)
HSL	hsl(227, 58%, 53%)
HSV	hsv(227, 69%, 80%)
CMYK	cmyk(68.6%, 53.9%, 0%, 20%)
CIE-LAB	lab(43.44, 25.58, -60.40)
CIE-LCH	lch(43.44, 65.60, 292.95°)
OKLab	oklab(52.19% -0.0052 -0.1737)
OKLCH	oklch(52.19% 0.174 268.3)
XYZ	xyz(17.0124, 13.4534, 58.8152)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ECC #CCAE40

analogous

#40A4CC #405ECC #6840CC

triadic

#405ECC #CC405E #5ECC40

tetradic

#405ECC #CC40A4 #CCAE40 #40CC68

square

#405ECC #CC40A4 #CCAE40 #40CC68

split-complementary

#405ECC #CC6840 #A4CC40

monochromatic

#1F3173 #2C45A3 #405ECC #7087D9 #A1AFE6

Accessibility & contrast

On white

5.69

#405ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#405ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ECC

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ECC	#FFFFFF	#000000	##FFFFFF
##405ECC	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#066DD0

Deuteranopia (green-blind)

#0061CA

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #405ecc;
/* rgb */ color: rgb(64, 94, 204);
/* oklch */ color: oklch(52.2% 0.174 268.3);

Tailwind

colors: {
  custom: {
    50: '#858bdc',
    500: '#405ecc',
    950: '#000000',
  },
}

SCSS

$custom: #405ecc;
$custom-light: #858bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#405ecc",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 204
  },
  "hsl": {
    "h": 227.143,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52192,
    "c": 0.17382,
    "h": 268.3
  },
  "luminance": 0.13455
}

Semantic roles & 50–950 ramp

primary

#405ECC

secondary

#D2C595

accent

#C047E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405ECC

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

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