#3541B3#3541B3

#3541B3 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.1% C 0.179 H 272.1°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#3541B3
RGB	rgb(53, 65, 179)
HSL	hsl(234, 54%, 45%)
HSV	hsv(234, 70%, 70%)
CMYK	cmyk(70.4%, 63.7%, 0%, 29.8%)
CIE-LAB	lab(33.54, 33.69, -61.92)
CIE-LCH	lch(33.54, 70.50, 298.55°)
OKLab	oklab(44.06% 0.0064 -0.1788)
OKLCH	oklch(44.06% 0.179 272.1)
XYZ	xyz(11.4924, 7.7910, 43.5372)
Luminance	0.0779 (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

#3541B3 #B3A735

analogous

#3580B3 #3541B3 #6835B3

triadic

#3541B3 #B33541 #41B335

tetradic

#3541B3 #B33580 #B3A735 #35B368

square

#3541B3 #B33580 #B3A735 #35B368

split-complementary

#3541B3 #B36835 #80B335

monochromatic

#191F55 #273084 #3541B3 #5863CD #878FDB

Accessibility & contrast

On white

8.21

#3541B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3541B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3541B3

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3541B3	#FFFFFF	#000000	##FFFFFF
##3541B3	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3541b3;
/* rgb */ color: rgb(53, 65, 179);
/* oklch */ color: oklch(44.1% 0.179 272.1);

Tailwind

colors: {
  custom: {
    50: '#7d75cb',
    500: '#3541b3',
    950: '#000000',
  },
}

SCSS

$custom: #3541b3;
$custom-light: #7d75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3541b3",
  "rgb": {
    "r": 53,
    "g": 65,
    "b": 179
  },
  "hsl": {
    "h": 234.286,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.4406,
    "c": 0.17891,
    "h": 272.1
  },
  "luminance": 0.07792
}

Semantic roles & 50–950 ramp

primary

#3541B3

secondary

#C5BF7F

accent

#D04ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3541B3

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

Preview Lab → · Contrast checker → · Palette generator →