#3541B7#3541B7

#3541B7 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.4% C 0.184 H 271.9°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#3541B7
RGB	rgb(53, 65, 183)
HSL	hsl(234, 55%, 46%)
HSV	hsv(234, 71%, 72%)
CMYK	cmyk(71%, 64.5%, 0%, 28.2%)
CIE-LAB	lab(33.89, 35.11, -63.73)
CIE-LCH	lch(33.89, 72.76, 298.86°)
OKLab	oklab(44.42% 0.0062 -0.1841)
OKLCH	oklch(44.42% 0.184 271.9)
XYZ	xyz(11.9029, 7.9552, 45.6988)
Luminance	0.0796 (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

#3541B7 #B7AB35

analogous

#3582B7 #3541B7 #6A35B7

triadic

#3541B7 #B73541 #41B735

tetradic

#3541B7 #B73582 #B7AB35 #35B76A

square

#3541B7 #B73582 #B7AB35 #35B76A

split-complementary

#3541B7 #B76A35 #82B735

monochromatic

#1A1F58 #273088 #3541B7 #5A65CF #8991DD

Accessibility & contrast

On white

8.10

#3541B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3541B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3541B7

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3541B7	#FFFFFF	#000000	##FFFFFF
##3541B7	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BB

Deuteranopia (green-blind)

#004AB5

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3541b7;
/* rgb */ color: rgb(53, 65, 183);
/* oklch */ color: oklch(44.4% 0.184 271.9);

Tailwind

colors: {
  custom: {
    50: '#7e75ce',
    500: '#3541b7',
    950: '#000000',
  },
}

SCSS

$custom: #3541b7;
$custom-light: #7e75ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3541b7",
  "rgb": {
    "r": 53,
    "g": 65,
    "b": 183
  },
  "hsl": {
    "h": 234.462,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.4442,
    "c": 0.18418,
    "h": 271.9
  },
  "luminance": 0.07956
}

Semantic roles & 50–950 ramp

primary

#3541B7

secondary

#C7C181

accent

#D149DE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3541B7

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

Preview Lab → · Contrast checker → · Palette generator →