#40348F#40348F

#40348F is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.4% C 0.144 H 283.6°. Best body text is #FFFFFF at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#40348F
RGB	rgb(64, 52, 143)
HSL	hsl(248, 47%, 38%)
HSV	hsv(248, 64%, 56%)
CMYK	cmyk(55.2%, 63.6%, 0%, 43.9%)
CIE-LAB	lab(28.19, 31.34, -48.85)
CIE-LCH	lch(28.19, 58.04, 302.68°)
OKLab	oklab(39.41% 0.0338 -0.1402)
OKLCH	oklch(39.41% 0.144 283.6)
XYZ	xyz(8.2988, 5.5287, 26.6111)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40348F #838F34

analogous

#34558F #40348F #6D348F

triadic

#40348F #8F4034 #348F40

tetradic

#40348F #8F3455 #838F34 #348F6D

square

#40348F #8F3455 #838F34 #348F6D

split-complementary

#40348F #8F6D34 #558F34

monochromatic

#181335 #2C2462 #40348F #5445BB #7E72CC

Accessibility & contrast

On white

9.97

#40348F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#40348F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40348F

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40348F	#FFFFFF	#000000	##FFFFFF
##40348F	1.00	9.97	2.11	9.97
#FFFFFF	9.97	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#003F8D

Tritanopia (blue-blind)

#1D4A5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #40348f;
/* rgb */ color: rgb(64, 52, 143);
/* oklch */ color: oklch(39.4% 0.144 283.6);

Tailwind

colors: {
  custom: {
    50: '#7d6cb1',
    500: '#40348f',
    950: '#000000',
  },
}

SCSS

$custom: #40348f;
$custom-light: #7d6cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#40348f",
  "rgb": {
    "r": 64,
    "g": 52,
    "b": 143
  },
  "hsl": {
    "h": 247.912,
    "s": 46.667,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39408,
    "c": 0.14422,
    "h": 283.6
  },
  "luminance": 0.05529
}

Semantic roles & 50–950 ramp

primary

#40348F

secondary

#AAB46B

accent

#D651C5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #40348F

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

Preview Lab → · Contrast checker → · Palette generator →