#3540C4#3540C4

#3540C4 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.5% C 0.202 H 271.7°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#3540C4
RGB	rgb(53, 64, 196)
HSL	hsl(235, 57%, 49%)
HSV	hsv(235, 73%, 77%)
CMYK	cmyk(73%, 67.3%, 0%, 23.1%)
CIE-LAB	lab(34.82, 40.29, -69.85)
CIE-LCH	lch(34.82, 80.63, 299.98°)
OKLab	oklab(45.45% 0.0058 -0.202)
OKLCH	oklch(45.45% 0.202 271.7)
XYZ	xyz(13.2620, 8.4078, 53.1378)
Luminance	0.0841 (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

#3540C4 #C4B935

analogous

#3588C4 #3540C4 #7235C4

triadic

#3540C4 #C43540 #40C435

tetradic

#3540C4 #C43588 #C4B935 #35C472

square

#3540C4 #C43588 #C4B935 #35C472

split-complementary

#3540C4 #C47235 #88C435

monochromatic

#1B2164 #283094 #3540C4 #626BD4 #9298E1

Accessibility & contrast

On white

7.83

#3540C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3540C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3540C4

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3540C4	#FFFFFF	#000000	##FFFFFF
##3540C4	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C8

Deuteranopia (green-blind)

#004BC2

Tritanopia (blue-blind)

#00647D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3540c4;
/* rgb */ color: rgb(53, 64, 196);
/* oklch */ color: oklch(45.5% 0.202 271.7);

Tailwind

colors: {
  custom: {
    50: '#8175d7',
    500: '#3540c4',
    950: '#000000',
  },
}

SCSS

$custom: #3540c4;
$custom-light: #8175d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3540c4",
  "rgb": {
    "r": 53,
    "g": 64,
    "b": 196
  },
  "hsl": {
    "h": 235.385,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.45453,
    "c": 0.20207,
    "h": 271.7
  },
  "luminance": 0.08409
}

Semantic roles & 50–950 ramp

primary

#3540C4

secondary

#CCC788

accent

#D547E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #3540C4

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

Preview Lab → · Contrast checker → · Palette generator →