#5540E3#5540E3

#5540E3 is a mid, highly saturated blue. Relative luminance 0.111; OKLCH L 50.5% C 0.233 H 279.9°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#5540E3
RGB	rgb(85, 64, 227)
HSL	hsl(248, 74%, 57%)
HSV	hsv(248, 72%, 89%)
CMYK	cmyk(62.6%, 71.8%, 0%, 11%)
CIE-LAB	lab(39.82, 53.99, -79.43)
CIE-LCH	lch(39.82, 96.04, 304.21°)
OKLab	oklab(50.46% 0.0398 -0.2292)
OKLCH	oklch(50.46% 0.233 279.9)
XYZ	xyz(19.4404, 11.1426, 73.7844)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5540E3 #CEE340

analogous

#407DE3 #5540E3 #A740E3

triadic

#5540E3 #E35540 #40E355

tetradic

#5540E3 #E3407D #CEE340 #40E3A7

square

#5540E3 #E3407D #CEE340 #40E3A7

split-complementary

#5540E3 #E3A740 #7DE340

monochromatic

#261693 #331DC8 #5540E3 #8575EB #B4ABF3

Accessibility & contrast

On white

6.50

#5540E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#5540E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5540E3

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5540E3	#FFFFFF	#000000	##FFFFFF
##5540E3	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E8

Deuteranopia (green-blind)

#0057E0

Tritanopia (blue-blind)

#006D8E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #5540e3;
/* rgb */ color: rgb(85, 64, 227);
/* oklch */ color: oklch(50.5% 0.233 279.9);

Tailwind

colors: {
  custom: {
    50: '#9577ed',
    500: '#5540e3',
    950: '#000000',
  },
}

SCSS

$custom: #5540e3;
$custom-light: #9577ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5540e3",
  "rgb": {
    "r": 85,
    "g": 64,
    "b": 227
  },
  "hsl": {
    "h": 247.73,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.50464,
    "c": 0.23262,
    "h": 279.9
  },
  "luminance": 0.11144
}

Semantic roles & 50–950 ramp

primary

#5540E3

secondary

#D8E19E

accent

#F137D9

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #5540E3

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

Preview Lab → · Contrast checker → · Palette generator →