#40358E#40358E

#40358E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.141 H 283.4°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#40358E
RGB	rgb(64, 53, 142)
HSL	hsl(247, 46%, 38%)
HSV	hsv(247, 63%, 56%)
CMYK	cmyk(54.9%, 62.7%, 0%, 44.3%)
CIE-LAB	lab(28.35, 30.38, -47.98)
CIE-LCH	lch(28.35, 56.79, 302.35°)
OKLab	oklab(39.5% 0.0329 -0.1376)
OKLCH	oklch(39.5% 0.141 283.4)
XYZ	xyz(8.2685, 5.5887, 26.2290)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40358E #838E35

analogous

#35568E #40358E #6C358E

triadic

#40358E #8E4035 #358E40

tetradic

#40358E #8E3556 #838E35 #358E6C

square

#40358E #8E3556 #838E35 #358E6C

split-complementary

#40358E #8E6C35 #568E35

monochromatic

#181435 #2C2461 #40358E #5446BA #7E73CB

Accessibility & contrast

On white

9.92

#40358E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#40358E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40358E

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40358E	#FFFFFF	#000000	##FFFFFF
##40358E	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004691

Deuteranopia (green-blind)

#00408C

Tritanopia (blue-blind)

#1E4A5C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #40358e;
/* rgb */ color: rgb(64, 53, 142);
/* oklch */ color: oklch(39.5% 0.141 283.4);

Tailwind

colors: {
  custom: {
    50: '#7c6db0',
    500: '#40358e',
    950: '#000000',
  },
}

SCSS

$custom: #40358e;
$custom-light: #7c6db0;
$custom-dark: #000000;

JSON

{
  "hex": "#40358e",
  "rgb": {
    "r": 64,
    "g": 53,
    "b": 142
  },
  "hsl": {
    "h": 247.416,
    "s": 45.641,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39499,
    "c": 0.14147,
    "h": 283.4
  },
  "luminance": 0.05589
}

Semantic roles & 50–950 ramp

primary

#40358E

secondary

#AAB36C

accent

#D552C5

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #40358E

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

Preview Lab → · Contrast checker → · Palette generator →