#3541B4#3541B4

#3541B4 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.1% C 0.180 H 272.0°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#3541B4
RGB	rgb(53, 65, 180)
HSL	hsl(234, 55%, 46%)
HSV	hsv(234, 71%, 71%)
CMYK	cmyk(70.6%, 63.9%, 0%, 29.4%)
CIE-LAB	lab(33.63, 34.05, -62.38)
CIE-LCH	lch(33.63, 71.06, 298.63°)
OKLab	oklab(44.15% 0.0064 -0.1801)
OKLCH	oklch(44.15% 0.18 272)
XYZ	xyz(11.5939, 7.8316, 44.0718)
Luminance	0.0783 (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

#3541B4 #B4A835

analogous

#3580B4 #3541B4 #6935B4

triadic

#3541B4 #B43541 #41B435

tetradic

#3541B4 #B43580 #B4A835 #35B469

square

#3541B4 #B43580 #B4A835 #35B469

split-complementary

#3541B4 #B46935 #80B435

monochromatic

#191F55 #273085 #3541B4 #5863CE #8890DC

Accessibility & contrast

On white

8.18

#3541B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3541B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3541B4

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3541B4	#FFFFFF	#000000	##FFFFFF
##3541B4	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B8

Deuteranopia (green-blind)

#0049B2

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3541b4;
/* rgb */ color: rgb(53, 65, 180);
/* oklch */ color: oklch(44.1% 0.180 272.0);

Tailwind

colors: {
  custom: {
    50: '#7d75cb',
    500: '#3541b4',
    950: '#000000',
  },
}

SCSS

$custom: #3541b4;
$custom-light: #7d75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3541b4",
  "rgb": {
    "r": 53,
    "g": 65,
    "b": 180
  },
  "hsl": {
    "h": 234.331,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.4415,
    "c": 0.18023,
    "h": 272
  },
  "luminance": 0.07833
}

Semantic roles & 50–950 ramp

primary

#3541B4

secondary

#C6BF7F

accent

#D04ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3541B4

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

Preview Lab → · Contrast checker → · Palette generator →