#3541B2#3541B2

#3541B2 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.178 H 272.1°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#3541B2
RGB	rgb(53, 65, 178)
HSL	hsl(234, 54%, 45%)
HSV	hsv(234, 70%, 70%)
CMYK	cmyk(70.2%, 63.5%, 0%, 30.2%)
CIE-LAB	lab(33.46, 33.34, -61.47)
CIE-LCH	lch(33.46, 69.93, 298.47°)
OKLab	oklab(43.97% 0.0065 -0.1775)
OKLCH	oklch(43.97% 0.178 272.1)
XYZ	xyz(11.3917, 7.7507, 43.0065)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.54

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3541B2 #B2A635

analogous

#357FB2 #3541B2 #6735B2

triadic

#3541B2 #B23541 #41B235

tetradic

#3541B2 #B2357F #B2A635 #35B267

square

#3541B2 #B2357F #B2A635 #35B267

split-complementary

#3541B2 #B26735 #7FB235

monochromatic

#191F54 #273083 #3541B2 #5762CD #868EDB

Accessibility & contrast

On white

8.23

#3541B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3541B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3541B2

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3541B2	#FFFFFF	#000000	##FFFFFF
##3541B2	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B6

Deuteranopia (green-blind)

#0049B0

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3541b2;
/* rgb */ color: rgb(53, 65, 178);
/* oklch */ color: oklch(44.0% 0.178 272.1);

Tailwind

colors: {
  custom: {
    50: '#7d75ca',
    500: '#3541b2',
    950: '#000000',
  },
}

SCSS

$custom: #3541b2;
$custom-light: #7d75ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3541b2",
  "rgb": {
    "r": 53,
    "g": 65,
    "b": 178
  },
  "hsl": {
    "h": 234.24,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.43971,
    "c": 0.17758,
    "h": 272.1
  },
  "luminance": 0.07752
}

Semantic roles & 50–950 ramp

primary

#3541B2

secondary

#C5BE7E

accent

#CF4ADD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3541B2

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

Preview Lab → · Contrast checker → · Palette generator →