#404BAF#404BAF

#404BAF is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.2% C 0.158 H 273.7°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#404BAF
RGB	rgb(64, 75, 175)
HSL	hsl(234, 46%, 47%)
HSV	hsv(234, 63%, 69%)
CMYK	cmyk(63.4%, 57.1%, 0%, 31.4%)
CIE-LAB	lab(36.40, 27.50, -54.87)
CIE-LCH	lch(36.40, 61.38, 296.62°)
OKLab	oklab(46.25% 0.0103 -0.1577)
OKLCH	oklch(46.25% 0.158 273.7)
XYZ	xyz(12.3657, 9.2163, 41.6764)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404BAF #AFA440

analogous

#4083AF #404BAF #6D40AF

triadic

#404BAF #AF404B #4BAF40

tetradic

#404BAF #AF4083 #AFA440 #40AF6D

square

#404BAF #AF4083 #AFA440 #40AF6D

split-complementary

#404BAF #AF6D40 #83AF40

monochromatic

#1F2555 #303882 #404BAF #656FC7 #9299D7

Accessibility & contrast

On white

7.39

#404BAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#404BAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404BAF

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BAF	#FFFFFF	#000000	##FFFFFF
##404BAF	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB2

Deuteranopia (green-blind)

#0051AD

Tritanopia (blue-blind)

#006375

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404baf;
/* rgb */ color: rgb(64, 75, 175);
/* oklch */ color: oklch(46.2% 0.158 273.7);

Tailwind

colors: {
  custom: {
    50: '#817dc8',
    500: '#404baf',
    950: '#000000',
  },
}

SCSS

$custom: #404baf;
$custom-light: #817dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#404baf",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 175
  },
  "hsl": {
    "h": 234.054,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.46249,
    "c": 0.15806,
    "h": 273.7
  },
  "luminance": 0.09217
}

Semantic roles & 50–950 ramp

primary

#404BAF

secondary

#C3BD88

accent

#C952D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #404BAF

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

Preview Lab → · Contrast checker → · Palette generator →