#40529D#40529D

#40529D is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.3% C 0.123 H 270.8°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#40529D
RGB	rgb(64, 82, 157)
HSL	hsl(228, 42%, 43%)
HSV	hsv(228, 59%, 62%)
CMYK	cmyk(59.2%, 47.8%, 0%, 38.4%)
CIE-LAB	lab(37.04, 16.63, -43.10)
CIE-LCH	lch(37.04, 46.20, 291.10°)
OKLab	oklab(46.34% 0.0017 -0.123)
OKLCH	oklch(46.34% 0.123 270.8)
XYZ	xyz(11.2154, 9.5580, 33.1456)
Luminance	0.0956 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40529D #9D8B40

analogous

#40809D #40529D #5C409D

triadic

#40529D #9D4052 #529D40

tetradic

#40529D #9D4080 #9D8B40 #409D5C

square

#40529D #9D4080 #9D8B40 #409D5C

split-complementary

#40529D #9D5C40 #809D40

monochromatic

#1D2546 #2E3B72 #40529D #5D70BD #8996CF

Accessibility & contrast

On white

7.21

#40529D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#40529D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40529D

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40529D	#FFFFFF	#000000	##FFFFFF
##40529D	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5BA0

Deuteranopia (green-blind)

#20539B

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #40529d;
/* rgb */ color: rgb(64, 82, 157);
/* oklch */ color: oklch(46.3% 0.123 270.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#40529d",
  "rgb": {
    "r": 64,
    "g": 82,
    "b": 157
  },
  "hsl": {
    "h": 228.387,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.46336,
    "c": 0.123,
    "h": 270.8
  },
  "luminance": 0.09559
}

Semantic roles & 50–950 ramp

primary

#40529D

secondary

#B9AE7F

accent

#BA56D2

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #40529D

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

Preview Lab → · Contrast checker → · Palette generator →