#404FA5#404FA5

#404FA5 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.3% C 0.139 H 272.4°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#404FA5
RGB	rgb(64, 79, 165)
HSL	hsl(231, 44%, 45%)
HSV	hsv(231, 61%, 65%)
CMYK	cmyk(61.2%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(36.74, 21.40, -48.37)
CIE-LCH	lch(36.74, 52.89, 293.87°)
OKLab	oklab(46.28% 0.0058 -0.1385)
OKLCH	oklch(46.28% 0.139 272.4)
XYZ	xyz(11.6996, 9.3976, 36.7874)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FA5 #A59640

analogous

#4082A5 #404FA5 #6340A5

triadic

#404FA5 #A5404F #4FA540

tetradic

#404FA5 #A54082 #A59640 #40A563

square

#404FA5 #A54082 #A59640 #40A563

split-complementary

#404FA5 #A56340 #82A540

monochromatic

#1E254D #2F3A79 #404FA5 #616FC2 #8D97D3

Accessibility & contrast

On white

7.29

#404FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#404FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404FA5

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FA5	#FFFFFF	#000000	##FFFFFF
##404FA5	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)

#1E5BA8

Deuteranopia (green-blind)

#0152A3

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404fa5;
/* rgb */ color: rgb(64, 79, 165);
/* oklch */ color: oklch(46.3% 0.139 272.4);

Tailwind

colors: {
  custom: {
    50: '#7f80c0',
    500: '#404fa5',
    950: '#000000',
  },
}

SCSS

$custom: #404fa5;
$custom-light: #7f80c0;
$custom-dark: #000000;

JSON

{
  "hex": "#404fa5",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 231.089,
    "s": 44.105,
    "l": 44.902
  },
  "oklch": {
    "l": 0.46278,
    "c": 0.13865,
    "h": 272.4
  },
  "luminance": 0.09399
}

Semantic roles & 50–950 ramp

primary

#404FA5

secondary

#BEB583

accent

#C154D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404FA5

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

Preview Lab → · Contrast checker → · Palette generator →