#40348C#40348C

#40348C is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.2% C 0.140 H 284.1°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#40348C
RGB	rgb(64, 52, 140)
HSL	hsl(248, 46%, 38%)
HSV	hsv(248, 63%, 55%)
CMYK	cmyk(54.3%, 62.9%, 0%, 45.1%)
CIE-LAB	lab(27.95, 30.36, -47.39)
CIE-LCH	lch(27.95, 56.28, 302.64°)
OKLab	oklab(39.16% 0.034 -0.1359)
OKLCH	oklch(39.16% 0.14 284.1)
XYZ	xyz(8.0745, 5.4390, 25.4302)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40348C #808C34

analogous

#34548C #40348C #6C348C

triadic

#40348C #8C4034 #348C40

tetradic

#40348C #8C3454 #808C34 #348C6C

square

#40348C #8C3454 #808C34 #348C6C

split-complementary

#40348C #8C6C34 #548C34

monochromatic

#171333 #2C235F #40348C #5445B9 #7D70CA

Accessibility & contrast

On white

10.06

#40348C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#40348C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40348C

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40348C	#FFFFFF	#000000	##FFFFFF
##40348C	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458F

Deuteranopia (green-blind)

#003F8A

Tritanopia (blue-blind)

#21495B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #40348c;
/* rgb */ color: rgb(64, 52, 140);
/* oklch */ color: oklch(39.2% 0.140 284.1);

Tailwind

colors: {
  custom: {
    50: '#7c6cae',
    500: '#40348c',
    950: '#000000',
  },
}

SCSS

$custom: #40348c;
$custom-light: #7c6cae;
$custom-dark: #000000;

JSON

{
  "hex": "#40348c",
  "rgb": {
    "r": 64,
    "g": 52,
    "b": 140
  },
  "hsl": {
    "h": 248.182,
    "s": 45.833,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39156,
    "c": 0.14008,
    "h": 284.1
  },
  "luminance": 0.05439
}

Semantic roles & 50–950 ramp

primary

#40348C

secondary

#A8B26A

accent

#D552C4

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #40348C

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

Preview Lab → · Contrast checker → · Palette generator →