#5550DB#5550DB

#5550DB is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 52.1% C 0.205 H 278.1°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#5550DB
RGB	rgb(85, 80, 219)
HSL	hsl(242, 66%, 59%)
HSV	hsv(242, 63%, 86%)
CMYK	cmyk(61.2%, 63.5%, 0%, 14.1%)
CIE-LAB	lab(42.43, 42.51, -70.58)
CIE-LCH	lch(42.43, 82.40, 301.06°)
OKLab	oklab(52.13% 0.0291 -0.2033)
OKLCH	oklch(52.13% 0.205 278.1)
XYZ	xyz(19.3970, 12.7816, 68.4490)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5550DB #D6DB50

analogous

#5090DB #5550DB #9A50DB

triadic

#5550DB #DB5550 #50DB55

tetradic

#5550DB #DB5090 #D6DB50 #50DB9A

square

#5550DB #DB5090 #D6DB50 #50DB9A

split-complementary

#5550DB #DB9A50 #90DB50

monochromatic

#221E92 #2E29C5 #5550DB #8683E5 #B8B6F0

Accessibility & contrast

On white

5.90

#5550DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#5550DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5550DB

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5550DB	#FFFFFF	#000000	##FFFFFF
##5550DB	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADF

Deuteranopia (green-blind)

#005ED8

Tritanopia (blue-blind)

#00738E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5550db;
/* rgb */ color: rgb(85, 80, 219);
/* oklch */ color: oklch(52.1% 0.205 278.1);

Tailwind

colors: {
  custom: {
    50: '#9382e7',
    500: '#5550db',
    950: '#000000',
  },
}

SCSS

$custom: #5550db;
$custom-light: #9382e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5550db",
  "rgb": {
    "r": 85,
    "g": 80,
    "b": 219
  },
  "hsl": {
    "h": 242.158,
    "s": 65.877,
    "l": 58.627
  },
  "oklch": {
    "l": 0.52134,
    "c": 0.20535,
    "h": 278.1
  },
  "luminance": 0.12783
}

Semantic roles & 50–950 ramp

primary

#5550DB

secondary

#DDDFA8

accent

#E93FE3

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5550DB

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

Preview Lab → · Contrast checker → · Palette generator →