#404AB1#404AB1

#404AB1 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.2% C 0.162 H 274.0°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#404AB1
RGB	rgb(64, 74, 177)
HSL	hsl(235, 47%, 47%)
HSV	hsv(235, 64%, 69%)
CMYK	cmyk(63.8%, 58.2%, 0%, 30.6%)
CIE-LAB	lab(36.29, 28.85, -56.23)
CIE-LCH	lch(36.29, 63.20, 297.16°)
OKLab	oklab(46.22% 0.0113 -0.1617)
OKLCH	oklch(46.22% 0.162 274)
XYZ	xyz(12.4963, 9.1608, 42.6961)
Luminance	0.0916 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AB1 #B1A740

analogous

#4083B1 #404AB1 #6E40B1

triadic

#404AB1 #B1404A #4AB140

tetradic

#404AB1 #B14083 #B1A740 #40B16E

square

#404AB1 #B14083 #B1A740 #40B16E

split-complementary

#404AB1 #B16E40 #83B140

monochromatic

#1F2457 #303784 #404AB1 #666FC8 #9399D8

Accessibility & contrast

On white

7.41

#404AB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#404AB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AB1

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AB1	#FFFFFF	#000000	##FFFFFF
##404AB1	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB4

Deuteranopia (green-blind)

#0051AF

Tritanopia (blue-blind)

#006376

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404ab1;
/* rgb */ color: rgb(64, 74, 177);
/* oklch */ color: oklch(46.2% 0.162 274.0);

Tailwind

colors: {
  custom: {
    50: '#817cc9',
    500: '#404ab1',
    950: '#000000',
  },
}

SCSS

$custom: #404ab1;
$custom-light: #817cc9;
$custom-dark: #000000;

JSON

{
  "hex": "#404ab1",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 177
  },
  "hsl": {
    "h": 234.69,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.46218,
    "c": 0.16211,
    "h": 274
  },
  "luminance": 0.09162
}

Semantic roles & 50–950 ramp

primary

#404AB1

secondary

#C3BE89

accent

#CB51D7

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #404AB1

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

Preview Lab → · Contrast checker → · Palette generator →