#40328B#40328B

#40328B is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.7% C 0.141 H 284.9°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#40328B
RGB	rgb(64, 50, 139)
HSL	hsl(249, 47%, 37%)
HSV	hsv(249, 64%, 55%)
CMYK	cmyk(54%, 64%, 0%, 45.5%)
CIE-LAB	lab(27.39, 31.29, -47.68)
CIE-LCH	lch(27.39, 57.03, 303.28°)
OKLab	oklab(38.72% 0.0363 -0.1367)
OKLCH	oklch(38.72% 0.141 284.9)
XYZ	xyz(7.9138, 5.2348, 25.0145)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40328B #7D8B32

analogous

#32518B #40328B #6D328B

triadic

#40328B #8B4032 #328B40

tetradic

#40328B #8B3251 #7D8B32 #328B6D

square

#40328B #8B3251 #7D8B32 #328B6D

split-complementary

#40328B #8B6D32 #518B32

monochromatic

#171231 #2B225E #40328B #5542B8 #7C6DCA

Accessibility & contrast

On white

10.26

#40328B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#40328B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40328B

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40328B	#FFFFFF	#000000	##FFFFFF
##40328B	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#224759

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #40328b;
/* rgb */ color: rgb(64, 50, 139);
/* oklch */ color: oklch(38.7% 0.141 284.9);

Tailwind

colors: {
  custom: {
    50: '#7c6aae',
    500: '#40328b',
    950: '#000000',
  },
}

SCSS

$custom: #40328b;
$custom-light: #7c6aae;
$custom-dark: #000000;

JSON

{
  "hex": "#40328b",
  "rgb": {
    "r": 64,
    "g": 50,
    "b": 139
  },
  "hsl": {
    "h": 249.438,
    "s": 47.09,
    "l": 37.059
  },
  "oklch": {
    "l": 0.38724,
    "c": 0.14146,
    "h": 284.9
  },
  "luminance": 0.05235
}

Semantic roles & 50–950 ramp

primary

#40328B

secondary

#A6B267

accent

#D751C2

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #40328B

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

Preview Lab → · Contrast checker → · Palette generator →