#40528D#40528D

#40528D is a mid, moderate blue. Relative luminance 0.090; OKLCH L 45.3% C 0.099 H 269.4°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#40528D
RGB	rgb(64, 82, 141)
HSL	hsl(226, 38%, 40%)
HSV	hsv(226, 55%, 55%)
CMYK	cmyk(54.6%, 41.8%, 0%, 44.7%)
CIE-LAB	lab(36.07, 11.09, -34.96)
CIE-LCH	lch(36.07, 36.67, 287.61°)
OKLab	oklab(45.29% -0.0011 -0.0991)
OKLCH	oklch(45.29% 0.099 269.4)
XYZ	xyz(9.9378, 9.0470, 26.4167)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40528D #8D7B40

analogous

#40788D #40528D #54408D

triadic

#40528D #8D4052 #528D40

tetradic

#40528D #8D4078 #8D7B40 #408D54

square

#40528D #8D4078 #8D7B40 #408D54

split-complementary

#40528D #8D5440 #788D40

monochromatic

#1A2139 #2D3A63 #40528D #576DB3 #8191C6

Accessibility & contrast

On white

7.47

#40528D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#40528D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40528D

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40528D	#FFFFFF	#000000	##FFFFFF
##40528D	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A588F

Deuteranopia (green-blind)

#31528C

Tritanopia (blue-blind)

#1A5F68

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #40528d;
/* rgb */ color: rgb(64, 82, 141);
/* oklch */ color: oklch(45.3% 0.099 269.4);

Tailwind

colors: {
  custom: {
    50: '#7a82ae',
    500: '#40528d',
    950: '#000000',
  },
}

SCSS

$custom: #40528d;
$custom-light: #7a82ae;
$custom-dark: #000000;

JSON

{
  "hex": "#40528d",
  "rgb": {
    "r": 64,
    "g": 82,
    "b": 141
  },
  "hsl": {
    "h": 225.974,
    "s": 37.561,
    "l": 40.196
  },
  "oklch": {
    "l": 0.45287,
    "c": 0.09912,
    "h": 269.4
  },
  "luminance": 0.09048
}

Semantic roles & 50–950 ramp

primary

#40528D

secondary

#B0A378

accent

#B35ACE

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0A10

muted

#7C7C7F

Preview Lab

Preview with #40528D

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

Preview Lab → · Contrast checker → · Palette generator →