#3541B5#3541B5

#3541B5 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.2% C 0.182 H 272.0°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3541B5
RGB	rgb(53, 65, 181)
HSL	hsl(234, 55%, 46%)
HSV	hsv(234, 71%, 71%)
CMYK	cmyk(70.7%, 64.1%, 0%, 29%)
CIE-LAB	lab(33.72, 34.41, -62.83)
CIE-LCH	lch(33.72, 71.63, 298.71°)
OKLab	oklab(44.24% 0.0063 -0.1814)
OKLCH	oklch(44.24% 0.182 272)
XYZ	xyz(11.6962, 7.8725, 44.6103)
Luminance	0.0787 (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

#3541B5 #B5A935

analogous

#3581B5 #3541B5 #6935B5

triadic

#3541B5 #B53541 #41B535

tetradic

#3541B5 #B53581 #B5A935 #35B569

square

#3541B5 #B53581 #B5A935 #35B569

split-complementary

#3541B5 #B56935 #81B535

monochromatic

#191F56 #273086 #3541B5 #5964CE #8890DC

Accessibility & contrast

On white

8.16

#3541B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3541B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3541B5

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3541B5	#FFFFFF	#000000	##FFFFFF
##3541B5	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B9

Deuteranopia (green-blind)

#0049B3

Tritanopia (blue-blind)

#005F75

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3541b5;
/* rgb */ color: rgb(53, 65, 181);
/* oklch */ color: oklch(44.2% 0.182 272.0);

Tailwind

colors: {
  custom: {
    50: '#7e75cc',
    500: '#3541b5',
    950: '#000000',
  },
}

SCSS

$custom: #3541b5;
$custom-light: #7e75cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3541b5",
  "rgb": {
    "r": 53,
    "g": 65,
    "b": 181
  },
  "hsl": {
    "h": 234.375,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.44239,
    "c": 0.18155,
    "h": 272
  },
  "luminance": 0.07874
}

Semantic roles & 50–950 ramp

primary

#3541B5

secondary

#C6C080

accent

#D04ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3541B5

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

Preview Lab → · Contrast checker → · Palette generator →