#5550EF#5550EF

#5550EF is a mid, highly saturated blue. Relative luminance 0.139; OKLCH L 53.8% C 0.230 H 276.7°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#5550EF
RGB	rgb(85, 80, 239)
HSL	hsl(242, 83%, 63%)
HSV	hsv(242, 67%, 94%)
CMYK	cmyk(64.4%, 66.5%, 0%, 6.3%)
CIE-LAB	lab(44.09, 48.88, -79.22)
CIE-LCH	lch(44.09, 93.08, 301.68°)
OKLab	oklab(53.85% 0.027 -0.2286)
OKLCH	oklch(53.85% 0.23 276.7)
XYZ	xyz(22.1899, 13.8987, 83.1580)
Luminance	0.1390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5550EF #EAEF50

analogous

#509AEF #5550EF #A550EF

triadic

#5550EF #EF5550 #50EF55

tetradic

#5550EF #EF509A #EAEF50 #50EFA5

square

#5550EF #EF509A #EAEF50 #50EFA5

split-complementary

#5550EF #EFA550 #9AEF50

monochromatic

#1610B4 #1F18EA #5550EF #8B88F4 #C2C0F9

Accessibility & contrast

On white

5.56

#5550EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#5550EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5550EF

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5550EF	#FFFFFF	#000000	##FFFFFF
##5550EF	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FF4

Deuteranopia (green-blind)

#0061EC

Tritanopia (blue-blind)

#007A99

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5550ef;
/* rgb */ color: rgb(85, 80, 239);
/* oklch */ color: oklch(53.8% 0.230 276.7);

Tailwind

colors: {
  custom: {
    50: '#9682f5',
    500: '#5550ef',
    950: '#000000',
  },
}

SCSS

$custom: #5550ef;
$custom-light: #9682f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5550ef",
  "rgb": {
    "r": 85,
    "g": 80,
    "b": 239
  },
  "hsl": {
    "h": 241.887,
    "s": 83.246,
    "l": 62.549
  },
  "oklch": {
    "l": 0.53846,
    "c": 0.23018,
    "h": 276.7
  },
  "luminance": 0.13901
}

Semantic roles & 50–950 ramp

primary

#5550EF

secondary

#E8EAB0

accent

#E006D9

background

#FAF8FF

surface

#F3EFFF

border

#CDCAD7

text

#0F0A17

muted

#7F7C85

Preview Lab

Preview with #5550EF

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

Preview Lab → · Contrast checker → · Palette generator →