#404AB7#404AB7

#404AB7 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.7% C 0.170 H 273.8°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#404AB7
RGB	rgb(64, 74, 183)
HSL	hsl(235, 48%, 48%)
HSV	hsv(235, 65%, 72%)
CMYK	cmyk(65%, 59.6%, 0%, 28.2%)
CIE-LAB	lab(36.75, 30.94, -59.02)
CIE-LCH	lch(36.75, 66.64, 297.66°)
OKLab	oklab(46.71% 0.0113 -0.1699)
OKLCH	oklch(46.71% 0.17 273.8)
XYZ	xyz(13.1075, 9.4053, 45.9152)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AB7 #B7AD40

analogous

#4085B7 #404AB7 #7140B7

triadic

#404AB7 #B7404A #4AB740

tetradic

#404AB7 #B74085 #B7AD40 #40B771

square

#404AB7 #B74085 #B7AD40 #40B771

split-complementary

#404AB7 #B77140 #85B740

monochromatic

#20255C #30388A #404AB7 #6972CB #979DDB

Accessibility & contrast

On white

7.29

#404AB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#404AB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AB7

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AB7	#FFFFFF	#000000	##FFFFFF
##404AB7	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBB

Deuteranopia (green-blind)

#0051B5

Tritanopia (blue-blind)

#006579

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404ab7;
/* rgb */ color: rgb(64, 74, 183);
/* oklch */ color: oklch(46.7% 0.170 273.8);

Tailwind

colors: {
  custom: {
    50: '#827ccd',
    500: '#404ab7',
    950: '#000000',
  },
}

SCSS

$custom: #404ab7;
$custom-light: #827ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#404ab7",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 183
  },
  "hsl": {
    "h": 234.958,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.46705,
    "c": 0.1703,
    "h": 273.8
  },
  "luminance": 0.09406
}

Semantic roles & 50–950 ramp

primary

#404AB7

secondary

#C6C18D

accent

#CC50D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #404AB7

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

Preview Lab → · Contrast checker → · Palette generator →