#40529C#40529C

#40529C is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.3% C 0.122 H 270.7°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#40529C
RGB	rgb(64, 82, 156)
HSL	hsl(228, 42%, 43%)
HSV	hsv(228, 59%, 61%)
CMYK	cmyk(59%, 47.4%, 0%, 38.8%)
CIE-LAB	lab(36.97, 16.28, -42.60)
CIE-LCH	lch(36.97, 45.60, 290.92°)
OKLab	oklab(46.27% 0.0016 -0.1215)
OKLCH	oklch(46.27% 0.122 270.7)
XYZ	xyz(11.1304, 9.5240, 32.6978)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40529C #9C8A40

analogous

#40809C #40529C #5C409C

triadic

#40529C #9C4052 #529C40

tetradic

#40529C #9C4080 #9C8A40 #409C5C

square

#40529C #9C4080 #9C8A40 #409C5C

split-complementary

#40529C #9C5C40 #809C40

monochromatic

#1C2445 #2E3B71 #40529C #5D6FBC #8896CE

Accessibility & contrast

On white

7.23

#40529C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#40529C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40529C

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40529C	#FFFFFF	#000000	##FFFFFF
##40529C	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5B9F

Deuteranopia (green-blind)

#22539A

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #40529c;
/* rgb */ color: rgb(64, 82, 156);
/* oklch */ color: oklch(46.3% 0.122 270.7);

Tailwind

colors: {
  custom: {
    50: '#7d82ba',
    500: '#40529c',
    950: '#000000',
  },
}

SCSS

$custom: #40529c;
$custom-light: #7d82ba;
$custom-dark: #000000;

JSON

{
  "hex": "#40529c",
  "rgb": {
    "r": 64,
    "g": 82,
    "b": 156
  },
  "hsl": {
    "h": 228.261,
    "s": 41.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.46268,
    "c": 0.12154,
    "h": 270.7
  },
  "luminance": 0.09525
}

Semantic roles & 50–950 ramp

primary

#40529C

secondary

#B9AE7F

accent

#B956D2

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #40529C

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

Preview Lab → · Contrast checker → · Palette generator →