#404AB3#404AB3

#404AB3 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.4% C 0.165 H 273.9°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#404AB3
RGB	rgb(64, 74, 179)
HSL	hsl(235, 47%, 48%)
HSV	hsv(235, 64%, 70%)
CMYK	cmyk(64.2%, 58.7%, 0%, 29.8%)
CIE-LAB	lab(36.44, 29.55, -57.17)
CIE-LCH	lch(36.44, 64.35, 297.33°)
OKLab	oklab(46.38% 0.0113 -0.1645)
OKLCH	oklch(46.38% 0.165 273.9)
XYZ	xyz(12.6971, 9.2411, 43.7537)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AB3 #B3A940

analogous

#4083B3 #404AB3 #7040B3

triadic

#404AB3 #B3404A #4AB340

tetradic

#404AB3 #B34083 #B3A940 #40B370

square

#404AB3 #B34083 #B3A940 #40B370

split-complementary

#404AB3 #B37040 #83B340

monochromatic

#202559 #303786 #404AB3 #6770C9 #949AD9

Accessibility & contrast

On white

7.37

#404AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#404AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AB3

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AB3	#FFFFFF	#000000	##FFFFFF
##404AB3	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB7

Deuteranopia (green-blind)

#0051B1

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404ab3;
/* rgb */ color: rgb(64, 74, 179);
/* oklch */ color: oklch(46.4% 0.165 273.9);

Tailwind

colors: {
  custom: {
    50: '#817ccb',
    500: '#404ab3',
    950: '#000000',
  },
}

SCSS

$custom: #404ab3;
$custom-light: #817ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#404ab3",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 179
  },
  "hsl": {
    "h": 234.783,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.46379,
    "c": 0.16486,
    "h": 273.9
  },
  "luminance": 0.09242
}

Semantic roles & 50–950 ramp

primary

#404AB3

secondary

#C4BF8A

accent

#CB51D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #404AB3

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

Preview Lab → · Contrast checker → · Palette generator →