#404EAA#404EAA

#404EAA is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.4% C 0.147 H 272.8°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#404EAA
RGB	rgb(64, 78, 170)
HSL	hsl(232, 45%, 46%)
HSV	hsv(232, 62%, 67%)
CMYK	cmyk(62.4%, 54.1%, 0%, 33.3%)
CIE-LAB	lab(36.82, 23.81, -51.22)
CIE-LCH	lch(36.82, 56.48, 294.93°)
OKLab	oklab(46.45% 0.0072 -0.1469)
OKLCH	oklch(46.45% 0.147 272.8)
XYZ	xyz(12.0920, 9.4401, 39.2073)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EAA #AA9C40

analogous

#4083AA #404EAA #6740AA

triadic

#404EAA #AA404E #4EAA40

tetradic

#404EAA #AA4083 #AA9C40 #40AA67

square

#404EAA #AA4083 #AA9C40 #40AA67

split-complementary

#404EAA #AA6740 #83AA40

monochromatic

#1F2551 #2F3A7E #404EAA #6370C4 #8F99D5

Accessibility & contrast

On white

7.27

#404EAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#404EAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404EAA

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

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

#115BAD

Deuteranopia (green-blind)

#0052A8

Tritanopia (blue-blind)

#006474

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #404eaa;
/* rgb */ color: rgb(64, 78, 170);
/* oklch */ color: oklch(46.4% 0.147 272.8);

Tailwind

colors: {
  custom: {
    50: '#7f7fc4',
    500: '#404eaa',
    950: '#000000',
  },
}

SCSS

$custom: #404eaa;
$custom-light: #7f7fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#404eaa",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 170
  },
  "hsl": {
    "h": 232.075,
    "s": 45.299,
    "l": 45.882
  },
  "oklch": {
    "l": 0.46449,
    "c": 0.14712,
    "h": 272.8
  },
  "luminance": 0.09441
}

Semantic roles & 50–950 ramp

primary

#404EAA

secondary

#C0B886

accent

#C453D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #404EAA

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

Preview Lab → · Contrast checker → · Palette generator →