#3540C1#3540C1

#3540C1 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.2% C 0.198 H 271.8°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#3540C1
RGB	rgb(53, 64, 193)
HSL	hsl(235, 57%, 48%)
HSV	hsv(235, 73%, 76%)
CMYK	cmyk(72.5%, 66.8%, 0%, 24.3%)
CIE-LAB	lab(34.54, 39.25, -68.54)
CIE-LCH	lch(34.54, 78.98, 299.80°)
OKLab	oklab(45.17% 0.0061 -0.1982)
OKLCH	oklch(45.17% 0.198 271.8)
XYZ	xyz(12.9240, 8.2726, 51.3574)
Luminance	0.0827 (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

#3540C1 #C1B635

analogous

#3586C1 #3540C1 #7035C1

triadic

#3540C1 #C13540 #40C135

tetradic

#3540C1 #C13586 #C1B635 #35C170

square

#3540C1 #C13586 #C1B635 #35C170

split-complementary

#3540C1 #C17035 #86C135

monochromatic

#1B2061 #283091 #3540C1 #6069D3 #9096E0

Accessibility & contrast

On white

7.91

#3540C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3540C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3540C1

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3540C1	#FFFFFF	#000000	##FFFFFF
##3540C1	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C5

Deuteranopia (green-blind)

#004BBF

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3540c1;
/* rgb */ color: rgb(53, 64, 193);
/* oklch */ color: oklch(45.2% 0.198 271.8);

Tailwind

colors: {
  custom: {
    50: '#8075d5',
    500: '#3540c1',
    950: '#000000',
  },
}

SCSS

$custom: #3540c1;
$custom-light: #8075d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3540c1",
  "rgb": {
    "r": 53,
    "g": 64,
    "b": 193
  },
  "hsl": {
    "h": 235.286,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45171,
    "c": 0.19826,
    "h": 271.8
  },
  "luminance": 0.08274
}

Semantic roles & 50–950 ramp

primary

#3540C1

secondary

#CBC687

accent

#D448E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3540C1

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

Preview Lab → · Contrast checker → · Palette generator →