#405DBA#405DBA

#405DBA is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.7% C 0.150 H 267.7°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#405DBA
RGB	rgb(64, 93, 186)
HSL	hsl(226, 49%, 49%)
HSV	hsv(226, 66%, 73%)
CMYK	cmyk(65.6%, 50%, 0%, 27.1%)
CIE-LAB	lab(41.94, 19.78, -52.38)
CIE-LCH	lch(41.94, 55.99, 290.69°)
OKLab	oklab(50.67% -0.0059 -0.1502)
OKLCH	oklch(50.67% 0.15 267.7)
XYZ	xyz(14.8886, 12.4625, 48.0657)
Luminance	0.1246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405DBA #BA9D40

analogous

#409ABA #405DBA #6040BA

triadic

#405DBA #BA405D #5DBA40

tetradic

#405DBA #BA409A #BA9D40 #40BA60

square

#405DBA #BA409A #BA9D40 #40BA60

split-complementary

#405DBA #BA6040 #9ABA40

monochromatic

#212F5F #30468C #405DBA #6B82CC #99A9DC

Accessibility & contrast

On white

6.01

#405DBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#405DBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405DBA

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405DBA	#FFFFFF	#000000	##FFFFFF
##405DBA	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2969BD

Deuteranopia (green-blind)

#045EB8

Tritanopia (blue-blind)

#007383

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #405dba;
/* rgb */ color: rgb(64, 93, 186);
/* oklch */ color: oklch(50.7% 0.150 267.7);

Tailwind

colors: {
  custom: {
    50: '#828acf',
    500: '#405dba',
    950: '#000000',
  },
}

SCSS

$custom: #405dba;
$custom-light: #828acf;
$custom-dark: #000000;

JSON

{
  "hex": "#405dba",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 186
  },
  "hsl": {
    "h": 225.738,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.50668,
    "c": 0.15029,
    "h": 267.7
  },
  "luminance": 0.12464
}

Semantic roles & 50–950 ramp

primary

#405DBA

secondary

#C8BA8E

accent

#B84FD8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #405DBA

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

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