#5550BE#5550BE

#5550BE is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.8% C 0.167 H 280.5°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#5550BE
RGB	rgb(85, 80, 190)
HSL	hsl(243, 46%, 53%)
HSV	hsv(243, 58%, 75%)
CMYK	cmyk(55.3%, 57.9%, 0%, 25.5%)
CIE-LAB	lab(40.22, 33.20, -57.43)
CIE-LCH	lch(40.22, 66.34, 300.03°)
OKLab	oklab(49.82% 0.0304 -0.1646)
OKLCH	oklch(49.82% 0.167 280.5)
XYZ	xyz(15.9063, 11.3853, 50.0646)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5550BE #B9BE50

analogous

#5082BE #5550BE #8C50BE

triadic

#5550BE #BE5550 #50BE55

tetradic

#5550BE #BE5082 #B9BE50 #50BE8C

square

#5550BE #BE5082 #B9BE50 #50BE8C

split-complementary

#5550BE #BE8C50 #82BE50

monochromatic

#2B286C #3D3998 #5550BE #807DCF #ACA9DF

Accessibility & contrast

On white

6.41

#5550BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#5550BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5550BE

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5550BE	#FFFFFF	#000000	##FFFFFF
##5550BE	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C2

Deuteranopia (green-blind)

#005BBC

Tritanopia (blue-blind)

#226A7F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5550be;
/* rgb */ color: rgb(85, 80, 190);
/* oklch */ color: oklch(49.8% 0.167 280.5);

Tailwind

colors: {
  custom: {
    50: '#8e81d2',
    500: '#5550be',
    950: '#000000',
  },
}

SCSS

$custom: #5550be;
$custom-light: #8e81d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5550be",
  "rgb": {
    "r": 85,
    "g": 80,
    "b": 190
  },
  "hsl": {
    "h": 242.727,
    "s": 45.833,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49818,
    "c": 0.16741,
    "h": 280.5
  },
  "luminance": 0.11386
}

Semantic roles & 50–950 ramp

primary

#5550BE

secondary

#CBCD9D

accent

#D552D0

background

#F9F7FD

surface

#F1EEFA

border

#CBC9D3

text

#0D0A14

muted

#7E7C83

Preview Lab

Preview with #5550BE

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

Preview Lab → · Contrast checker → · Palette generator →