#404FA9#404FA9

#404FA9 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.6% C 0.144 H 272.4°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#404FA9
RGB	rgb(64, 79, 169)
HSL	hsl(231, 45%, 46%)
HSV	hsv(231, 62%, 66%)
CMYK	cmyk(62.1%, 53.3%, 0%, 33.7%)
CIE-LAB	lab(37.01, 22.81, -50.31)
CIE-LCH	lch(37.01, 55.24, 294.39°)
OKLab	oklab(46.57% 0.0062 -0.1442)
OKLCH	oklch(46.57% 0.144 272.4)
XYZ	xyz(12.0694, 9.5455, 38.7349)
Luminance	0.0955 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FA9 #A99A40

analogous

#4083A9 #404FA9 #6640A9

triadic

#404FA9 #A9404F #4FA940

tetradic

#404FA9 #A94083 #A99A40 #40A966

square

#404FA9 #A94083 #A99A40 #40A966

split-complementary

#404FA9 #A96640 #83A940

monochromatic

#1E2550 #2F3A7D #404FA9 #6270C4 #8F99D5

Accessibility & contrast

On white

7.22

#404FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#404FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404FA9

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FA9	#FFFFFF	#000000	##FFFFFF
##404FA9	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#175CAC

Deuteranopia (green-blind)

#0053A7

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #404fa9;
/* rgb */ color: rgb(64, 79, 169);
/* oklch */ color: oklch(46.6% 0.144 272.4);

Tailwind

colors: {
  custom: {
    50: '#7f80c3',
    500: '#404fa9',
    950: '#000000',
  },
}

SCSS

$custom: #404fa9;
$custom-light: #7f80c3;
$custom-dark: #000000;

JSON

{
  "hex": "#404fa9",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 169
  },
  "hsl": {
    "h": 231.429,
    "s": 45.064,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46574,
    "c": 0.14438,
    "h": 272.4
  },
  "luminance": 0.09547
}

Semantic roles & 50–950 ramp

primary

#404FA9

secondary

#C0B785

accent

#C253D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404FA9

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

Preview Lab → · Contrast checker → · Palette generator →