#404EA9#404EA9

#404EA9 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.146 H 272.8°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#404EA9
RGB	rgb(64, 78, 169)
HSL	hsl(232, 45%, 46%)
HSV	hsv(232, 62%, 66%)
CMYK	cmyk(62.1%, 53.8%, 0%, 33.7%)
CIE-LAB	lab(36.75, 23.46, -50.74)
CIE-LCH	lch(36.75, 55.90, 294.81°)
OKLab	oklab(46.37% 0.0072 -0.1455)
OKLCH	oklch(46.37% 0.146 272.8)
XYZ	xyz(11.9978, 9.4024, 38.7110)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EA9 #A99B40

analogous

#4082A9 #404EA9 #6640A9

triadic

#404EA9 #A9404E #4EA940

tetradic

#404EA9 #A94082 #A99B40 #40A966

square

#404EA9 #A94082 #A99B40 #40A966

split-complementary

#404EA9 #A96640 #82A940

monochromatic

#1E2550 #2F3A7D #404EA9 #626FC4 #8F98D5

Accessibility & contrast

On white

7.29

#404EA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#404EA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404EA9

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EA9	#FFFFFF	#000000	##FFFFFF
##404EA9	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)

#135BAC

Deuteranopia (green-blind)

#0052A7

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404ea9;
/* rgb */ color: rgb(64, 78, 169);
/* oklch */ color: oklch(46.4% 0.146 272.8);

Tailwind

colors: {
  custom: {
    50: '#7f7fc3',
    500: '#404ea9',
    950: '#000000',
  },
}

SCSS

$custom: #404ea9;
$custom-light: #7f7fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#404ea9",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 169
  },
  "hsl": {
    "h": 232,
    "s": 45.064,
    "l": 45.686
  },
  "oklch": {
    "l": 0.46373,
    "c": 0.1457,
    "h": 272.8
  },
  "luminance": 0.09403
}

Semantic roles & 50–950 ramp

primary

#404EA9

secondary

#C0B885

accent

#C353D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #404EA9

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

Preview Lab → · Contrast checker → · Palette generator →