#3541BD#3541BD

#3541BD is a dark, vivid blue. Relative luminance 0.082; OKLCH L 45.0% C 0.192 H 271.7°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#3541BD
RGB	rgb(53, 65, 189)
HSL	hsl(235, 56%, 47%)
HSV	hsv(235, 72%, 74%)
CMYK	cmyk(72%, 65.6%, 0%, 25.9%)
CIE-LAB	lab(34.42, 37.23, -66.40)
CIE-LCH	lch(34.42, 76.12, 299.28°)
OKLab	oklab(44.97% 0.0058 -0.1919)
OKLCH	oklch(44.97% 0.192 271.7)
XYZ	xyz(12.5407, 8.2103, 49.0581)
Luminance	0.0821 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3541BD #BDB135

analogous

#3585BD #3541BD #6D35BD

triadic

#3541BD #BD3541 #41BD35

tetradic

#3541BD #BD3585 #BDB135 #35BD6D

square

#3541BD #BD3585 #BDB135 #35BD6D

split-complementary

#3541BD #BD6D35 #85BD35

monochromatic

#1A205D #28318D #3541BD #5D68D2 #8D95DF

Accessibility & contrast

On white

7.95

#3541BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3541BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3541BD

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3541BD	#FFFFFF	#000000	##FFFFFF
##3541BD	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C1

Deuteranopia (green-blind)

#004BBB

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3541bd;
/* rgb */ color: rgb(53, 65, 189);
/* oklch */ color: oklch(45.0% 0.192 271.7);

Tailwind

colors: {
  custom: {
    50: '#7f76d2',
    500: '#3541bd',
    950: '#000000',
  },
}

SCSS

$custom: #3541bd;
$custom-light: #7f76d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3541bd",
  "rgb": {
    "r": 53,
    "g": 65,
    "b": 189
  },
  "hsl": {
    "h": 234.706,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44968,
    "c": 0.192,
    "h": 271.7
  },
  "luminance": 0.08212
}

Semantic roles & 50–950 ramp

primary

#3541BD

secondary

#CAC384

accent

#D248DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3541BD

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

Preview Lab → · Contrast checker → · Palette generator →