#5540DB#5540DB

#5540DB is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.7% C 0.223 H 280.7°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#5540DB
RGB	rgb(85, 64, 219)
HSL	hsl(248, 68%, 55%)
HSV	hsv(248, 71%, 86%)
CMYK	cmyk(61.2%, 70.8%, 0%, 14.1%)
CIE-LAB	lab(39.09, 51.59, -76.06)
CIE-LCH	lch(39.09, 91.90, 304.15°)
OKLab	oklab(49.72% 0.0414 -0.2193)
OKLCH	oklch(49.72% 0.223 280.7)
XYZ	xyz(18.3619, 10.7112, 68.1040)
Luminance	0.1071 (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

#5540DB #C6DB40

analogous

#4078DB #5540DB #A240DB

triadic

#5540DB #DB5540 #40DB55

tetradic

#5540DB #DB4078 #C6DB40 #40DBA2

square

#5540DB #DB4078 #C6DB40 #40DBA2

split-complementary

#5540DB #DBA240 #78DB40

monochromatic

#281987 #3823BB #5540DB #8373E5 #B1A7EE

Accessibility & contrast

On white

6.68

#5540DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#5540DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5540DB

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5540DB	#FFFFFF	#000000	##FFFFFF
##5540DB	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E0

Deuteranopia (green-blind)

#0056D8

Tritanopia (blue-blind)

#006A89

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #5540db;
/* rgb */ color: rgb(85, 64, 219);
/* oklch */ color: oklch(49.7% 0.223 280.7);

Tailwind

colors: {
  custom: {
    50: '#9477e7',
    500: '#5540db',
    950: '#000000',
  },
}

SCSS

$custom: #5540db;
$custom-light: #9477e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5540db",
  "rgb": {
    "r": 85,
    "g": 64,
    "b": 219
  },
  "hsl": {
    "h": 248.129,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.49723,
    "c": 0.2232,
    "h": 280.7
  },
  "luminance": 0.10713
}

Semantic roles & 50–950 ramp

primary

#5540DB

secondary

#D3DC9B

accent

#EB3DD3

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #5540DB

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

Preview Lab → · Contrast checker → · Palette generator →