#40529F#40529F

#40529F is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.5% C 0.126 H 270.9°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#40529F
RGB	rgb(64, 82, 159)
HSL	hsl(229, 43%, 44%)
HSV	hsv(229, 60%, 62%)
CMYK	cmyk(59.7%, 48.4%, 0%, 37.6%)
CIE-LAB	lab(37.16, 17.33, -44.09)
CIE-LCH	lch(37.16, 47.38, 291.46°)
OKLab	oklab(46.47% 0.002 -0.1259)
OKLCH	oklch(46.47% 0.126 270.9)
XYZ	xyz(11.3876, 9.6269, 34.0522)
Luminance	0.0963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40529F #9F8D40

analogous

#40819F #40529F #5D409F

triadic

#40529F #9F4052 #529F40

tetradic

#40529F #9F4081 #9F8D40 #409F5D

square

#40529F #9F4081 #9F8D40 #409F5D

split-complementary

#40529F #9F5D40 #819F40

monochromatic

#1D2548 #2E3B73 #40529F #5E70BE #8A97D0

Accessibility & contrast

On white

7.18

#40529F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#40529F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40529F

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40529F	#FFFFFF	#000000	##FFFFFF
##40529F	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5CA2

Deuteranopia (green-blind)

#1D539D

Tritanopia (blue-blind)

#006371

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #40529f;
/* rgb */ color: rgb(64, 82, 159);
/* oklch */ color: oklch(46.5% 0.126 270.9);

Tailwind

colors: {
  custom: {
    50: '#7d82bc',
    500: '#40529f',
    950: '#000000',
  },
}

SCSS

$custom: #40529f;
$custom-light: #7d82bc;
$custom-dark: #000000;

JSON

{
  "hex": "#40529f",
  "rgb": {
    "r": 64,
    "g": 82,
    "b": 159
  },
  "hsl": {
    "h": 228.632,
    "s": 42.601,
    "l": 43.725
  },
  "oklch": {
    "l": 0.46474,
    "c": 0.12594,
    "h": 270.9
  },
  "luminance": 0.09628
}

Semantic roles & 50–950 ramp

primary

#40529F

secondary

#BBAF80

accent

#BB55D2

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #40529F

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

Preview Lab → · Contrast checker → · Palette generator →