#405AC4#405AC4

#405AC4 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.8% C 0.168 H 269.2°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#405AC4
RGB	rgb(64, 90, 196)
HSL	hsl(228, 53%, 51%)
HSV	hsv(228, 67%, 77%)
CMYK	cmyk(67.3%, 54.1%, 0%, 23.1%)
CIE-LAB	lab(41.82, 25.28, -58.39)
CIE-LCH	lch(41.82, 63.63, 293.41°)
OKLab	oklab(50.8% -0.0023 -0.1679)
OKLCH	oklch(50.8% 0.168 269.2)
XYZ	xyz(15.7309, 12.3863, 53.7756)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405AC4 #C4AA40

analogous

#409CC4 #405AC4 #6840C4

triadic

#405AC4 #C4405A #5AC440

tetradic

#405AC4 #C4409C #C4AA40 #40C468

square

#405AC4 #C4409C #C4AA40 #40C468

split-complementary

#405AC4 #C46840 #9CC440

monochromatic

#202F69 #2F4498 #405AC4 #6F82D2 #9EABE1

Accessibility & contrast

On white

6.04

#405AC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#405AC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405AC4

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405AC4	#FFFFFF	#000000	##FFFFFF
##405AC4	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0869C8

Deuteranopia (green-blind)

#005DC2

Tritanopia (blue-blind)

#007386

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405ac4;
/* rgb */ color: rgb(64, 90, 196);
/* oklch */ color: oklch(50.8% 0.168 269.2);

Tailwind

colors: {
  custom: {
    50: '#8488d7',
    500: '#405ac4',
    950: '#000000',
  },
}

SCSS

$custom: #405ac4;
$custom-light: #8488d7;
$custom-dark: #000000;

JSON

{
  "hex": "#405ac4",
  "rgb": {
    "r": 64,
    "g": 90,
    "b": 196
  },
  "hsl": {
    "h": 228.182,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.50797,
    "c": 0.16791,
    "h": 269.2
  },
  "luminance": 0.12388
}

Semantic roles & 50–950 ramp

primary

#405AC4

secondary

#CDC293

accent

#C04CDC

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #405AC4

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

Preview Lab → · Contrast checker → · Palette generator →