#5550DD#5550DD

#5550DD is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.3% C 0.208 H 278.0°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5550DD
RGB	rgb(85, 80, 221)
HSL	hsl(242, 67%, 59%)
HSV	hsv(242, 64%, 87%)
CMYK	cmyk(61.5%, 63.8%, 0%, 13.3%)
CIE-LAB	lab(42.59, 43.15, -71.46)
CIE-LCH	lch(42.59, 83.48, 301.13°)
OKLab	oklab(52.3% 0.0289 -0.2059)
OKLCH	oklch(52.3% 0.208 278)
XYZ	xyz(19.6619, 12.8875, 69.8440)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5550DD #D8DD50

analogous

#5092DD #5550DD #9C50DD

triadic

#5550DD #DD5550 #50DD55

tetradic

#5550DD #DD5092 #D8DD50 #50DD9C

square

#5550DD #DD5092 #D8DD50 #50DD9C

split-complementary

#5550DD #DD9C50 #92DD50

monochromatic

#211D96 #2D27C9 #5550DD #8783E7 #B9B6F1

Accessibility & contrast

On white

5.87

#5550DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#5550DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5550DD

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5550DD	#FFFFFF	#000000	##FFFFFF
##5550DD	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE1

Deuteranopia (green-blind)

#005FDA

Tritanopia (blue-blind)

#00748F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5550dd;
/* rgb */ color: rgb(85, 80, 221);
/* oklch */ color: oklch(52.3% 0.208 278.0);

Tailwind

colors: {
  custom: {
    50: '#9382e9',
    500: '#5550dd',
    950: '#000000',
  },
}

SCSS

$custom: #5550dd;
$custom-light: #9382e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5550dd",
  "rgb": {
    "r": 85,
    "g": 80,
    "b": 221
  },
  "hsl": {
    "h": 242.128,
    "s": 67.464,
    "l": 59.02
  },
  "oklch": {
    "l": 0.52301,
    "c": 0.20788,
    "h": 278
  },
  "luminance": 0.12889
}

Semantic roles & 50–950 ramp

primary

#5550DD

secondary

#DEE0A9

accent

#EA3DE4

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5550DD

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

Preview Lab → · Contrast checker → · Palette generator →