#5551E5#5551E5

#5551E5 is a mid, highly saturated blue. Relative luminance 0.135; OKLCH L 53.1% C 0.217 H 277.3°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#5551E5
RGB	rgb(85, 81, 229)
HSL	hsl(242, 74%, 61%)
HSV	hsv(242, 65%, 90%)
CMYK	cmyk(62.9%, 64.6%, 0%, 10.2%)
CIE-LAB	lab(43.47, 45.12, -74.59)
CIE-LCH	lch(43.47, 87.17, 301.17°)
OKLab	oklab(53.14% 0.0274 -0.215)
OKLCH	oklch(53.14% 0.217 277.3)
XYZ	xyz(20.8270, 13.4716, 75.6163)
Luminance	0.1347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5551E5 #E1E551

analogous

#5197E5 #5551E5 #9F51E5

triadic

#5551E5 #E55551 #51E555

tetradic

#5551E5 #E55197 #E1E551 #51E59F

square

#5551E5 #E55197 #E1E551 #51E59F

split-complementary

#5551E5 #E59F51 #97E551

monochromatic

#1C18A3 #2520D8 #5551E5 #8986ED #BDBBF5

Accessibility & contrast

On white

5.68

#5551E5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#5551E5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5551E5

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5551E5	#FFFFFF	#000000	##FFFFFF
##5551E5	1.00	5.68	3.69	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DEA

Deuteranopia (green-blind)

#0060E2

Tritanopia (blue-blind)

#007794

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5551e5;
/* rgb */ color: rgb(85, 81, 229);
/* oklch */ color: oklch(53.1% 0.217 277.3);

Tailwind

colors: {
  custom: {
    50: '#9482ee',
    500: '#5551e5',
    950: '#000000',
  },
}

SCSS

$custom: #5551e5;
$custom-light: #9482ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5551e5",
  "rgb": {
    "r": 85,
    "g": 81,
    "b": 229
  },
  "hsl": {
    "h": 241.622,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.53137,
    "c": 0.21675,
    "h": 277.3
  },
  "luminance": 0.13473
}

Semantic roles & 50–950 ramp

primary

#5551E5

secondary

#E3E5AD

accent

#D60FD1

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0A17

muted

#7E7C85

Preview Lab

Preview with #5551E5

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

Preview Lab → · Contrast checker → · Palette generator →