#405FBA#405FBA

#405FBA is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.148 H 267.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#405FBA
RGB	rgb(64, 95, 186)
HSL	hsl(225, 49%, 49%)
HSV	hsv(225, 66%, 73%)
CMYK	cmyk(65.6%, 48.9%, 0%, 27.1%)
CIE-LAB	lab(42.49, 18.50, -51.51)
CIE-LCH	lch(42.49, 54.73, 289.75°)
OKLab	oklab(51.08% -0.0079 -0.1475)
OKLCH	oklch(51.08% 0.148 267)
XYZ	xyz(15.0664, 12.8182, 48.1250)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405FBA #BA9B40

analogous

#409CBA #405FBA #5E40BA

triadic

#405FBA #BA405F #5FBA40

tetradic

#405FBA #BA409C #BA9B40 #40BA5E

square

#405FBA #BA409C #BA9B40 #40BA5E

split-complementary

#405FBA #BA5E40 #9CBA40

monochromatic

#21305F #30488C #405FBA #6B84CC #99AADC

Accessibility & contrast

On white

5.89

#405FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#405FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405FBA

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405FBA	#FFFFFF	#000000	##FFFFFF
##405FBA	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6ABD

Deuteranopia (green-blind)

#105FB8

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #405fba;
/* rgb */ color: rgb(64, 95, 186);
/* oklch */ color: oklch(51.1% 0.148 267.0);

Tailwind

colors: {
  custom: {
    50: '#828ccf',
    500: '#405fba',
    950: '#000000',
  },
}

SCSS

$custom: #405fba;
$custom-light: #828ccf;
$custom-dark: #000000;

JSON

{
  "hex": "#405fba",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 186
  },
  "hsl": {
    "h": 224.754,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.51084,
    "c": 0.14776,
    "h": 267
  },
  "luminance": 0.1282
}

Semantic roles & 50–950 ramp

primary

#405FBA

secondary

#C8B98E

accent

#B64FD8

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #405FBA

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

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