#405AC5#405AC5

#405AC5 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.169 H 269.2°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#405AC5
RGB	rgb(64, 90, 197)
HSL	hsl(228, 53%, 51%)
HSV	hsv(228, 68%, 77%)
CMYK	cmyk(67.5%, 54.3%, 0%, 22.7%)
CIE-LAB	lab(41.89, 25.64, -58.86)
CIE-LCH	lch(41.89, 64.20, 293.54°)
OKLab	oklab(50.87% -0.0022 -0.1693)
OKLCH	oklch(50.87% 0.169 269.2)
XYZ	xyz(15.8451, 12.4320, 54.3771)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AC5 #C5AB40

analogous

#409CC5 #405AC5 #6840C5

triadic

#405AC5 #C5405A #5AC540

tetradic

#405AC5 #C5409C #C5AB40 #40C568

square

#405AC5 #C5409C #C5AB40 #40C568

split-complementary

#405AC5 #C56840 #9CC540

monochromatic

#202F6A #2F4399 #405AC5 #6F83D3 #9EABE2

Accessibility & contrast

On white

6.02

#405AC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#405AC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AC5

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AC5	#FFFFFF	#000000	##FFFFFF
##405AC5	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0369C9

Deuteranopia (green-blind)

#005DC3

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405ac5;
/* rgb */ color: rgb(64, 90, 197);
/* oklch */ color: oklch(50.9% 0.169 269.2);

Tailwind

colors: {
  custom: {
    50: '#8488d7',
    500: '#405ac5',
    950: '#000000',
  },
}

SCSS

$custom: #405ac5;
$custom-light: #8488d7;
$custom-dark: #000000;

JSON

{
  "hex": "#405ac5",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 197
  },
  "hsl": {
    "h": 228.271,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.50873,
    "c": 0.16927,
    "h": 269.2
  },
  "luminance": 0.12434
}

Semantic roles & 50–950 ramp

primary

#405AC5

secondary

#CEC293

accent

#C04BDD

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405AC5

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

Preview Lab → · Contrast checker → · Palette generator →