#40349B#40349B

#40349B is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.4% C 0.160 H 281.8°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#40349B
RGB	rgb(64, 52, 155)
HSL	hsl(247, 50%, 41%)
HSV	hsv(247, 66%, 61%)
CMYK	cmyk(58.7%, 66.5%, 0%, 39.2%)
CIE-LAB	lab(29.19, 35.26, -54.58)
CIE-LCH	lch(29.19, 64.98, 302.87°)
OKLab	oklab(40.45% 0.0327 -0.157)
OKLCH	oklch(40.45% 0.16 281.8)
XYZ	xyz(9.2569, 5.9119, 31.6573)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.95

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40349B #8F9B34

analogous

#345C9B #40349B #73349B

triadic

#40349B #9B4034 #349B40

tetradic

#40349B #9B345C #8F9B34 #349B73

square

#40349B #9B345C #8F9B34 #349B73

split-complementary

#40349B #9B7334 #5C9B34

monochromatic

#1A153F #2D256D #40349B #584AC2 #8278D2

Accessibility & contrast

On white

9.62

#40349B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#40349B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40349B

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40349B	#FFFFFF	#000000	##FFFFFF
##40349B	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489E

Deuteranopia (green-blind)

#004199

Tritanopia (blue-blind)

#0A4E63

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #40349b;
/* rgb */ color: rgb(64, 52, 155);
/* oklch */ color: oklch(40.4% 0.160 281.8);

Tailwind

colors: {
  custom: {
    50: '#7f6cb9',
    500: '#40349b',
    950: '#000000',
  },
}

SCSS

$custom: #40349b;
$custom-light: #7f6cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#40349b",
  "rgb": {
    "r": 64,
    "g": 52,
    "b": 155
  },
  "hsl": {
    "h": 246.99,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40445,
    "c": 0.16039,
    "h": 281.8
  },
  "luminance": 0.05913
}

Semantic roles & 50–950 ramp

primary

#40349B

secondary

#B2BA71

accent

#D94FC9

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #40349B

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

Preview Lab → · Contrast checker → · Palette generator →