#404AB2#404AB2

#404AB2 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.3% C 0.163 H 274.0°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#404AB2
RGB	rgb(64, 74, 178)
HSL	hsl(235, 47%, 47%)
HSV	hsv(235, 64%, 70%)
CMYK	cmyk(64%, 58.4%, 0%, 30.2%)
CIE-LAB	lab(36.37, 29.20, -56.70)
CIE-LCH	lch(36.37, 63.77, 297.25°)
OKLab	oklab(46.3% 0.0113 -0.1631)
OKLCH	oklch(46.3% 0.163 274)
XYZ	xyz(12.5964, 9.2008, 43.2230)
Luminance	0.0920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AB2 #B2A840

analogous

#4083B2 #404AB2 #6F40B2

triadic

#404AB2 #B2404A #4AB240

tetradic

#404AB2 #B24083 #B2A840 #40B26F

square

#404AB2 #B24083 #B2A840 #40B26F

split-complementary

#404AB2 #B26F40 #83B240

monochromatic

#202558 #303785 #404AB2 #676FC8 #949AD8

Accessibility & contrast

On white

7.39

#404AB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#404AB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AB2

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AB2	#FFFFFF	#000000	##FFFFFF
##404AB2	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)

#005BB5

Deuteranopia (green-blind)

#0051B0

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404ab2;
/* rgb */ color: rgb(64, 74, 178);
/* oklch */ color: oklch(46.3% 0.163 274.0);

Tailwind

colors: {
  custom: {
    50: '#817cca',
    500: '#404ab2',
    950: '#000000',
  },
}

SCSS

$custom: #404ab2;
$custom-light: #817cca;
$custom-dark: #000000;

JSON

{
  "hex": "#404ab2",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 178
  },
  "hsl": {
    "h": 234.737,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.46298,
    "c": 0.16348,
    "h": 274
  },
  "luminance": 0.09202
}

Semantic roles & 50–950 ramp

primary

#404AB2

secondary

#C4BF8A

accent

#CB51D7

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #404AB2

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

Preview Lab → · Contrast checker → · Palette generator →