#5551E8#5551E8

#5551E8 is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.4% C 0.220 H 277.1°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#5551E8
RGB	rgb(85, 81, 232)
HSL	hsl(242, 77%, 61%)
HSV	hsv(242, 65%, 91%)
CMYK	cmyk(63.4%, 65.1%, 0%, 9%)
CIE-LAB	lab(43.71, 46.08, -75.88)
CIE-LCH	lch(43.71, 88.78, 301.27°)
OKLab	oklab(53.39% 0.0271 -0.2188)
OKLCH	oklch(53.39% 0.22 277.1)
XYZ	xyz(21.2495, 13.6406, 77.8414)
Luminance	0.1364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5551E8 #E4E851

analogous

#5199E8 #5551E8 #A151E8

triadic

#5551E8 #E85551 #51E855

tetradic

#5551E8 #E85199 #E4E851 #51E8A1

square

#5551E8 #E85199 #E4E851 #51E8A1

split-complementary

#5551E8 #E8A151 #99E851

monochromatic

#1A16A8 #231DDE #5551E8 #8A87EF #BFBDF6

Accessibility & contrast

On white

5.63

#5551E8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#5551E8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5551E8

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5551E8	#FFFFFF	#000000	##FFFFFF
##5551E8	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EED

Deuteranopia (green-blind)

#0061E5

Tritanopia (blue-blind)

#007895

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5551e8;
/* rgb */ color: rgb(85, 81, 232);
/* oklch */ color: oklch(53.4% 0.220 277.1);

Tailwind

colors: {
  custom: {
    50: '#9583f0',
    500: '#5551e8',
    950: '#000000',
  },
}

SCSS

$custom: #5551e8;
$custom-light: #9583f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5551e8",
  "rgb": {
    "r": 85,
    "g": 81,
    "b": 232
  },
  "hsl": {
    "h": 241.589,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.53394,
    "c": 0.22048,
    "h": 277.1
  },
  "luminance": 0.13642
}

Semantic roles & 50–950 ramp

primary

#5551E8

secondary

#E5E7AE

accent

#D90DD3

background

#FAF8FE

surface

#F3EFFD

border

#CDCAD5

text

#0F0A17

muted

#7F7C85

Preview Lab

Preview with #5551E8

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

Preview Lab → · Contrast checker → · Palette generator →