#5551DD#5551DD

#5551DD is a mid, highly saturated blue. Relative luminance 0.130; OKLCH L 52.5% C 0.207 H 277.8°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#5551DD
RGB	rgb(85, 81, 221)
HSL	hsl(242, 67%, 59%)
HSV	hsv(242, 63%, 87%)
CMYK	cmyk(61.5%, 63.3%, 0%, 13.3%)
CIE-LAB	lab(42.82, 42.56, -71.10)
CIE-LCH	lch(42.82, 82.86, 300.91°)
OKLab	oklab(52.46% 0.0281 -0.2048)
OKLCH	oklch(52.46% 0.207 277.8)
XYZ	xyz(19.7357, 13.0351, 69.8686)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5551DD #D9DD51

analogous

#5193DD #5551DD #9B51DD

triadic

#5551DD #DD5551 #51DD55

tetradic

#5551DD #DD5193 #D9DD51 #51DD9B

square

#5551DD #DD5193 #D9DD51 #51DD9B

split-complementary

#5551DD #DD9B51 #93DD51

monochromatic

#211D96 #2C27C9 #5551DD #8784E7 #B9B7F1

Accessibility & contrast

On white

5.82

#5551DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#5551DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5551DD

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5551DD	#FFFFFF	#000000	##FFFFFF
##5551DD	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE1

Deuteranopia (green-blind)

#005FDA

Tritanopia (blue-blind)

#007490

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5551dd;
/* rgb */ color: rgb(85, 81, 221);
/* oklch */ color: oklch(52.5% 0.207 277.8);

Tailwind

colors: {
  custom: {
    50: '#9382e9',
    500: '#5551dd',
    950: '#000000',
  },
}

SCSS

$custom: #5551dd;
$custom-light: #9382e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5551dd",
  "rgb": {
    "r": 85,
    "g": 81,
    "b": 221
  },
  "hsl": {
    "h": 241.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.52463,
    "c": 0.2067,
    "h": 277.8
  },
  "luminance": 0.13037
}

Semantic roles & 50–950 ramp

primary

#5551DD

secondary

#DFE0AA

accent

#EA3EE5

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5551DD

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

Preview Lab → · Contrast checker → · Palette generator →