#3540C0#3540C0

#3540C0 is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.1% C 0.197 H 271.8°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3540C0
RGB	rgb(53, 64, 192)
HSL	hsl(235, 57%, 48%)
HSV	hsv(235, 72%, 75%)
CMYK	cmyk(72.4%, 66.7%, 0%, 24.7%)
CIE-LAB	lab(34.45, 38.90, -68.10)
CIE-LCH	lch(34.45, 78.43, 299.74°)
OKLab	oklab(45.08% 0.0062 -0.1969)
OKLCH	oklch(45.08% 0.197 271.8)
XYZ	xyz(12.8128, 8.2281, 50.7719)
Luminance	0.0823 (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

#3540C0 #C0B535

analogous

#3585C0 #3540C0 #6F35C0

triadic

#3540C0 #C03540 #40C035

tetradic

#3540C0 #C03585 #C0B535 #35C06F

square

#3540C0 #C03585 #C0B535 #35C06F

split-complementary

#3540C0 #C06F35 #85C035

monochromatic

#1B2060 #283090 #3540C0 #5F68D3 #8F96E0

Accessibility & contrast

On white

7.94

#3540C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3540C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3540C0

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3540C0	#FFFFFF	#000000	##FFFFFF
##3540C0	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C4

Deuteranopia (green-blind)

#004BBE

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3540c0;
/* rgb */ color: rgb(53, 64, 192);
/* oklch */ color: oklch(45.1% 0.197 271.8);

Tailwind

colors: {
  custom: {
    50: '#8075d4',
    500: '#3540c0',
    950: '#000000',
  },
}

SCSS

$custom: #3540c0;
$custom-light: #8075d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3540c0",
  "rgb": {
    "r": 53,
    "g": 64,
    "b": 192
  },
  "hsl": {
    "h": 235.252,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.45077,
    "c": 0.19699,
    "h": 271.8
  },
  "luminance": 0.08229
}

Semantic roles & 50–950 ramp

primary

#3540C0

secondary

#CBC586

accent

#D448E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3540C0

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

Preview Lab → · Contrast checker → · Palette generator →