#5555CE#5555CE

#5555CE is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.9% C 0.182 H 278.0°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5555CE
RGB	rgb(85, 85, 206)
HSL	hsl(240, 55%, 57%)
HSV	hsv(240, 59%, 81%)
CMYK	cmyk(58.7%, 58.7%, 0%, 19.2%)
CIE-LAB	lab(42.59, 35.30, -62.88)
CIE-LCH	lch(42.59, 72.11, 299.31°)
OKLab	oklab(51.93% 0.0253 -0.1806)
OKLCH	oklch(51.93% 0.182 278)
XYZ	xyz(18.1318, 12.8832, 59.9118)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5555CE #CECE55

analogous

#5592CE #5555CE #9255CE

triadic

#5555CE #CE5555 #55CE55

tetradic

#5555CE #CE5592 #CECE55 #55CE92

square

#5555CE #CE5592 #CECE55 #55CE92

split-complementary

#5555CE #CE9255 #92CE55

monochromatic

#262683 #3333B2 #5555CE #8585DC #B4B4E9

Accessibility & contrast

On white

5.87

#5555CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#5555CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5555CE

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5555CE	#FFFFFF	#000000	##FFFFFF
##5555CE	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD2

Deuteranopia (green-blind)

#0060CC

Tritanopia (blue-blind)

#007289

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #5555ce;
/* rgb */ color: rgb(85, 85, 206);
/* oklch */ color: oklch(51.9% 0.182 278.0);

Tailwind

colors: {
  custom: {
    50: '#9085de',
    500: '#5555ce',
    950: '#000000',
  },
}

SCSS

$custom: #5555ce;
$custom-light: #9085de;
$custom-dark: #000000;

JSON

{
  "hex": "#5555ce",
  "rgb": {
    "r": 85,
    "g": 85,
    "b": 206
  },
  "hsl": {
    "h": 240,
    "s": 55.251,
    "l": 57.059
  },
  "oklch": {
    "l": 0.51934,
    "c": 0.18237,
    "h": 278
  },
  "luminance": 0.12885
}

Semantic roles & 50–950 ramp

primary

#5555CE

secondary

#D8D8A7

accent

#DF49DF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5555CE

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

Preview Lab → · Contrast checker → · Palette generator →