#5557DD#5557DD

#5557DD is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.5% C 0.200 H 276.6°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#5557DD
RGB	rgb(85, 87, 221)
HSL	hsl(239, 67%, 60%)
HSV	hsv(239, 62%, 87%)
CMYK	cmyk(61.5%, 60.6%, 0%, 13.3%)
CIE-LAB	lab(44.18, 38.97, -68.87)
CIE-LCH	lch(44.18, 79.13, 299.51°)
OKLab	oklab(53.47% 0.023 -0.1982)
OKLCH	oklch(53.47% 0.2 276.6)
XYZ	xyz(20.2014, 13.9665, 70.0238)
Luminance	0.1397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5557DD #DDDB55

analogous

#559BDD #5557DD #9755DD

triadic

#5557DD #DD5557 #57DD55

tetradic

#5557DD #DD559B #DDDB55 #55DD97

square

#5557DD #DD559B #DDDB55 #55DD97

split-complementary

#5557DD #DD9755 #9BDD55

monochromatic

#1F2099 #292BCC #5557DD #8889E7 #BBBCF1

Accessibility & contrast

On white

5.54

#5557DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#5557DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5557DD

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5557DD	#FFFFFF	#000000	##FFFFFF
##5557DD	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE1

Deuteranopia (green-blind)

#0063DA

Tritanopia (blue-blind)

#007892

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5557dd;
/* rgb */ color: rgb(85, 87, 221);
/* oklch */ color: oklch(53.5% 0.200 276.6);

Tailwind

colors: {
  custom: {
    50: '#9286e9',
    500: '#5557dd',
    950: '#000000',
  },
}

SCSS

$custom: #5557dd;
$custom-light: #9286e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5557dd",
  "rgb": {
    "r": 85,
    "g": 87,
    "b": 221
  },
  "hsl": {
    "h": 239.118,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.53466,
    "c": 0.19953,
    "h": 276.6
  },
  "luminance": 0.13968
}

Semantic roles & 50–950 ramp

primary

#5557DD

secondary

#E1E0AD

accent

#E73EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5557DD

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

Preview Lab → · Contrast checker → · Palette generator →