#5551E4#5551E4

#5551E4 is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 53.1% C 0.216 H 277.3°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#5551E4
RGB	rgb(85, 81, 228)
HSL	hsl(242, 73%, 61%)
HSV	hsv(242, 64%, 89%)
CMYK	cmyk(62.7%, 64.5%, 0%, 10.6%)
CIE-LAB	lab(43.38, 44.80, -74.15)
CIE-LCH	lch(43.38, 86.64, 301.14°)
OKLab	oklab(53.05% 0.0275 -0.2137)
OKLCH	oklch(53.05% 0.216 277.3)
XYZ	xyz(20.6878, 13.4159, 74.8831)
Luminance	0.1342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5551E4 #E0E451

analogous

#5196E4 #5551E4 #9F51E4

triadic

#5551E4 #E45551 #51E455

tetradic

#5551E4 #E45196 #E0E451 #51E49F

square

#5551E4 #E45196 #E0E451 #51E49F

split-complementary

#5551E4 #E49F51 #96E451

monochromatic

#1D19A2 #2621D7 #5551E4 #8986EC #BDBBF4

Accessibility & contrast

On white

5.70

#5551E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#5551E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5551E4

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5551E4	#FFFFFF	#000000	##FFFFFF
##5551E4	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE9

Deuteranopia (green-blind)

#0060E1

Tritanopia (blue-blind)

#007793

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5551e4;
/* rgb */ color: rgb(85, 81, 228);
/* oklch */ color: oklch(53.1% 0.216 277.3);

Tailwind

colors: {
  custom: {
    50: '#9482ee',
    500: '#5551e4',
    950: '#000000',
  },
}

SCSS

$custom: #5551e4;
$custom-light: #9482ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5551e4",
  "rgb": {
    "r": 85,
    "g": 81,
    "b": 228
  },
  "hsl": {
    "h": 241.633,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.53052,
    "c": 0.21551,
    "h": 277.3
  },
  "luminance": 0.13418
}

Semantic roles & 50–950 ramp

primary

#5551E4

secondary

#E3E4AC

accent

#D510D0

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0A16

muted

#7E7C84

Preview Lab

Preview with #5551E4

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

Preview Lab → · Contrast checker → · Palette generator →