#40329B#40329B

#40329B is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.1% C 0.163 H 282.2°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#40329B
RGB	rgb(64, 50, 155)
HSL	hsl(248, 51%, 40%)
HSV	hsv(248, 68%, 61%)
CMYK	cmyk(58.7%, 67.7%, 0%, 39.2%)
CIE-LAB	lab(28.74, 36.48, -55.32)
CIE-LCH	lch(28.74, 66.26, 303.40°)
OKLab	oklab(40.12% 0.0345 -0.1592)
OKLCH	oklch(40.12% 0.163 282.2)
XYZ	xyz(9.1695, 5.7372, 31.6282)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.07

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40329B #8D9B32

analogous

#32589B #40329B #74329B

triadic

#40329B #9B4032 #329B40

tetradic

#40329B #9B3258 #8D9B32 #329B74

square

#40329B #9B3258 #8D9B32 #329B74

split-complementary

#40329B #9B7432 #589B32

monochromatic

#1A143E #2D236D #40329B #5747C4 #8175D2

Accessibility & contrast

On white

9.78

#40329B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#40329B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40329B

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40329B	#FFFFFF	#000000	##FFFFFF
##40329B	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00479E

Deuteranopia (green-blind)

#004099

Tritanopia (blue-blind)

#0B4D62

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #40329b;
/* rgb */ color: rgb(64, 50, 155);
/* oklch */ color: oklch(40.1% 0.163 282.2);

Tailwind

colors: {
  custom: {
    50: '#7f6bb9',
    500: '#40329b',
    950: '#000000',
  },
}

SCSS

$custom: #40329b;
$custom-light: #7f6bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#40329b",
  "rgb": {
    "r": 64,
    "g": 50,
    "b": 155
  },
  "hsl": {
    "h": 248,
    "s": 51.22,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4012,
    "c": 0.16288,
    "h": 282.2
  },
  "luminance": 0.05738
}

Semantic roles & 50–950 ramp

primary

#40329B

secondary

#B0BB6E

accent

#DB4DC8

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #40329B

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

Preview Lab → · Contrast checker → · Palette generator →