#404FA6#404FA6

#404FA6 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.140 H 272.4°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#404FA6
RGB	rgb(64, 79, 166)
HSL	hsl(231, 44%, 45%)
HSV	hsv(231, 61%, 65%)
CMYK	cmyk(61.4%, 52.4%, 0%, 34.9%)
CIE-LAB	lab(36.81, 21.75, -48.86)
CIE-LCH	lch(36.81, 53.48, 294.00°)
OKLab	oklab(46.35% 0.0059 -0.14)
OKLCH	oklch(46.35% 0.14 272.4)
XYZ	xyz(11.7910, 9.4342, 37.2686)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FA6 #A69740

analogous

#4082A6 #404FA6 #6440A6

triadic

#404FA6 #A6404F #4FA640

tetradic

#404FA6 #A64082 #A69740 #40A664

square

#404FA6 #A64082 #A69740 #40A664

split-complementary

#404FA6 #A66440 #82A640

monochromatic

#1E254E #2F3A7A #404FA6 #616FC2 #8D98D3

Accessibility & contrast

On white

7.27

#404FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#404FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404FA6

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FA6	#FFFFFF	#000000	##FFFFFF
##404FA6	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5BA9

Deuteranopia (green-blind)

#0052A4

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #404fa6;
/* rgb */ color: rgb(64, 79, 166);
/* oklch */ color: oklch(46.4% 0.140 272.4);

Tailwind

colors: {
  custom: {
    50: '#7f80c1',
    500: '#404fa6',
    950: '#000000',
  },
}

SCSS

$custom: #404fa6;
$custom-light: #7f80c1;
$custom-dark: #000000;

JSON

{
  "hex": "#404fa6",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 166
  },
  "hsl": {
    "h": 231.176,
    "s": 44.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46352,
    "c": 0.1401,
    "h": 272.4
  },
  "luminance": 0.09435
}

Semantic roles & 50–950 ramp

primary

#404FA6

secondary

#BEB684

accent

#C154D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404FA6

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

Preview Lab → · Contrast checker → · Palette generator →