#5540E1#5540E1

#5540E1 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 50.3% C 0.230 H 280.1°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#5540E1
RGB	rgb(85, 64, 225)
HSL	hsl(248, 73%, 57%)
HSV	hsv(248, 72%, 88%)
CMYK	cmyk(62.2%, 71.6%, 0%, 11.8%)
CIE-LAB	lab(39.64, 53.39, -78.59)
CIE-LCH	lch(39.64, 95.01, 304.19°)
OKLab	oklab(50.28% 0.0402 -0.2267)
OKLCH	oklch(50.28% 0.23 280.1)
XYZ	xyz(19.1660, 11.0329, 72.3391)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.78

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5540E1 #CCE140

analogous

#407CE1 #5540E1 #A640E1

triadic

#5540E1 #E15540 #40E155

tetradic

#5540E1 #E1407C #CCE140 #40E1A6

square

#5540E1 #E1407C #CCE140 #40E1A6

split-complementary

#5540E1 #E1A640 #7CE140

monochromatic

#261790 #351FC5 #5540E1 #8475E9 #B3AAF2

Accessibility & contrast

On white

6.55

#5540E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#5540E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5540E1

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5540E1	#FFFFFF	#000000	##FFFFFF
##5540E1	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E6

Deuteranopia (green-blind)

#0057DE

Tritanopia (blue-blind)

#006D8D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #5540e1;
/* rgb */ color: rgb(85, 64, 225);
/* oklch */ color: oklch(50.3% 0.230 280.1);

Tailwind

colors: {
  custom: {
    50: '#9577ec',
    500: '#5540e1',
    950: '#000000',
  },
}

SCSS

$custom: #5540e1;
$custom-light: #9577ec;
$custom-dark: #000000;

JSON

{
  "hex": "#5540e1",
  "rgb": {
    "r": 85,
    "g": 64,
    "b": 225
  },
  "hsl": {
    "h": 247.826,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.50278,
    "c": 0.23028,
    "h": 280.1
  },
  "luminance": 0.11034
}

Semantic roles & 50–950 ramp

primary

#5540E1

secondary

#D7DF9D

accent

#F038D8

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #5540E1

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

Preview Lab → · Contrast checker → · Palette generator →