#3541B8#3541B8

#3541B8 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.185 H 271.9°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#3541B8
RGB	rgb(53, 65, 184)
HSL	hsl(235, 55%, 46%)
HSV	hsv(235, 71%, 72%)
CMYK	cmyk(71.2%, 64.7%, 0%, 27.8%)
CIE-LAB	lab(33.98, 35.47, -64.17)
CIE-LCH	lch(33.98, 73.32, 298.93°)
OKLab	oklab(44.51% 0.0062 -0.1854)
OKLCH	oklch(44.51% 0.185 271.9)
XYZ	xyz(12.0073, 7.9970, 46.2489)
Luminance	0.0800 (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

#3541B8 #B8AC35

analogous

#3583B8 #3541B8 #6B35B8

triadic

#3541B8 #B83541 #41B835

tetradic

#3541B8 #B83583 #B8AC35 #35B86B

square

#3541B8 #B83583 #B8AC35 #35B86B

split-complementary

#3541B8 #B86B35 #83B835

monochromatic

#1A1F59 #273088 #3541B8 #5B65D0 #8A92DD

Accessibility & contrast

On white

8.08

#3541B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3541B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3541B8

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3541B8	#FFFFFF	#000000	##FFFFFF
##3541B8	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BC

Deuteranopia (green-blind)

#004AB6

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3541b8;
/* rgb */ color: rgb(53, 65, 184);
/* oklch */ color: oklch(44.5% 0.185 271.9);

Tailwind

colors: {
  custom: {
    50: '#7e75ce',
    500: '#3541b8',
    950: '#000000',
  },
}

SCSS

$custom: #3541b8;
$custom-light: #7e75ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3541b8",
  "rgb": {
    "r": 53,
    "g": 65,
    "b": 184
  },
  "hsl": {
    "h": 234.504,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44511,
    "c": 0.18549,
    "h": 271.9
  },
  "luminance": 0.07998
}

Semantic roles & 50–950 ramp

primary

#3541B8

secondary

#C7C181

accent

#D149DF

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3541B8

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

Preview Lab → · Contrast checker → · Palette generator →