#40349E#40349E

#40349E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.7% C 0.164 H 281.3°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#40349E
RGB	rgb(64, 52, 158)
HSL	hsl(247, 50%, 41%)
HSV	hsv(247, 67%, 62%)
CMYK	cmyk(59.5%, 67.1%, 0%, 38%)
CIE-LAB	lab(29.45, 36.24, -55.99)
CIE-LCH	lch(29.45, 66.69, 302.92°)
OKLab	oklab(40.71% 0.0323 -0.1611)
OKLCH	oklch(40.71% 0.164 281.3)
XYZ	xyz(9.5120, 6.0139, 33.0007)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.56

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40349E #929E34

analogous

#345D9E #40349E #75349E

triadic

#40349E #9E4034 #349E40

tetradic

#40349E #9E345D #929E34 #349E75

square

#40349E #9E345D #929E34 #349E75

split-complementary

#40349E #9E7534 #5D9E34

monochromatic

#1B1642 #2D2570 #40349E #594BC4 #8479D3

Accessibility & contrast

On white

9.53

#40349E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#40349E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40349E

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40349E	#FFFFFF	#000000	##FFFFFF
##40349E	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#024F64

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #40349e;
/* rgb */ color: rgb(64, 52, 158);
/* oklch */ color: oklch(40.7% 0.164 281.3);

Tailwind

colors: {
  custom: {
    50: '#7f6cbc',
    500: '#40349e',
    950: '#000000',
  },
}

SCSS

$custom: #40349e;
$custom-light: #7f6cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#40349e",
  "rgb": {
    "r": 64,
    "g": 52,
    "b": 158
  },
  "hsl": {
    "h": 246.792,
    "s": 50.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40713,
    "c": 0.16434,
    "h": 281.3
  },
  "luminance": 0.06015
}

Semantic roles & 50–950 ramp

primary

#40349E

secondary

#B3BC72

accent

#DA4ECA

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #40349E

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

Preview Lab → · Contrast checker → · Palette generator →