#40358D#40358D

#40358D is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.140 H 283.6°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#40358D
RGB	rgb(64, 53, 141)
HSL	hsl(248, 45%, 38%)
HSV	hsv(248, 62%, 55%)
CMYK	cmyk(54.6%, 62.4%, 0%, 44.7%)
CIE-LAB	lab(28.27, 30.05, -47.49)
CIE-LCH	lch(28.27, 56.20, 302.33°)
OKLab	oklab(39.42% 0.0329 -0.1362)
OKLCH	oklch(39.42% 0.14 283.6)
XYZ	xyz(8.1937, 5.5588, 25.8353)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40358D #828D35

analogous

#35568D #40358D #6C358D

triadic

#40358D #8D4035 #358D40

tetradic

#40358D #8D3556 #828D35 #358D6C

square

#40358D #8D3556 #828D35 #358D6C

split-complementary

#40358D #8D6C35 #568D35

monochromatic

#181434 #2C2461 #40358D #5446B9 #7D72CA

Accessibility & contrast

On white

9.94

#40358D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#40358D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40358D

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40358D	#FFFFFF	#000000	##FFFFFF
##40358D	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#1F4A5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #40358d;
/* rgb */ color: rgb(64, 53, 141);
/* oklch */ color: oklch(39.4% 0.140 283.6);

Tailwind

colors: {
  custom: {
    50: '#7c6daf',
    500: '#40358d',
    950: '#000000',
  },
}

SCSS

$custom: #40358d;
$custom-light: #7c6daf;
$custom-dark: #000000;

JSON

{
  "hex": "#40358d",
  "rgb": {
    "r": 64,
    "g": 53,
    "b": 141
  },
  "hsl": {
    "h": 247.5,
    "s": 45.361,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39416,
    "c": 0.14009,
    "h": 283.6
  },
  "luminance": 0.05559
}

Semantic roles & 50–950 ramp

primary

#40358D

secondary

#AAB26B

accent

#D553C5

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #40358D

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

Preview Lab → · Contrast checker → · Palette generator →