#404AB0#404AB0

#404AB0 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.1% C 0.161 H 274.0°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#404AB0
RGB	rgb(64, 74, 176)
HSL	hsl(235, 47%, 47%)
HSV	hsv(235, 64%, 69%)
CMYK	cmyk(63.6%, 58%, 0%, 31%)
CIE-LAB	lab(36.22, 28.50, -55.76)
CIE-LCH	lch(36.22, 62.62, 297.07°)
OKLab	oklab(46.14% 0.0113 -0.1603)
OKLCH	oklch(46.14% 0.161 274)
XYZ	xyz(12.3970, 9.1211, 42.1731)
Luminance	0.0912 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AB0 #B0A640

analogous

#4082B0 #404AB0 #6E40B0

triadic

#404AB0 #B0404A #4AB040

tetradic

#404AB0 #B04082 #B0A640 #40B06E

square

#404AB0 #B04082 #B0A640 #40B06E

split-complementary

#404AB0 #B06E40 #82B040

monochromatic

#1F2456 #303783 #404AB0 #666FC7 #9399D8

Accessibility & contrast

On white

7.44

#404AB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#404AB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AB0

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AB0	#FFFFFF	#000000	##FFFFFF
##404AB0	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB3

Deuteranopia (green-blind)

#0050AE

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404ab0;
/* rgb */ color: rgb(64, 74, 176);
/* oklch */ color: oklch(46.1% 0.161 274.0);

Tailwind

colors: {
  custom: {
    50: '#817cc8',
    500: '#404ab0',
    950: '#000000',
  },
}

SCSS

$custom: #404ab0;
$custom-light: #817cc8;
$custom-dark: #000000;

JSON

{
  "hex": "#404ab0",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 176
  },
  "hsl": {
    "h": 234.643,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.46138,
    "c": 0.16074,
    "h": 274
  },
  "luminance": 0.09122
}

Semantic roles & 50–950 ramp

primary

#404AB0

secondary

#C3BE89

accent

#CA51D6

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #404AB0

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

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