#5557DC#5557DC

#5557DC is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.4% C 0.198 H 276.7°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#5557DC
RGB	rgb(85, 87, 220)
HSL	hsl(239, 66%, 60%)
HSV	hsv(239, 61%, 86%)
CMYK	cmyk(61.4%, 60.5%, 0%, 13.7%)
CIE-LAB	lab(44.11, 38.65, -68.42)
CIE-LCH	lch(44.11, 78.58, 299.46°)
OKLab	oklab(53.39% 0.0231 -0.1969)
OKLCH	oklch(53.39% 0.198 276.7)
XYZ	xyz(20.0686, 13.9134, 69.3243)
Luminance	0.1391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5557DC #DCDA55

analogous

#559BDC #5557DC #9655DC

triadic

#5557DC #DC5557 #57DC55

tetradic

#5557DC #DC559B #DCDA55 #55DC96

square

#5557DC #DC559B #DCDA55 #55DC96

split-complementary

#5557DC #DC9655 #9BDC55

monochromatic

#1F2197 #2A2CCA #5557DC #8889E6 #BBBBF1

Accessibility & contrast

On white

5.55

#5557DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#5557DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5557DC

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5557DC	#FFFFFF	#000000	##FFFFFF
##5557DC	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE0

Deuteranopia (green-blind)

#0063D9

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5557dc;
/* rgb */ color: rgb(85, 87, 220);
/* oklch */ color: oklch(53.4% 0.198 276.7);

Tailwind

colors: {
  custom: {
    50: '#9286e8',
    500: '#5557dc',
    950: '#000000',
  },
}

SCSS

$custom: #5557dc;
$custom-light: #9286e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5557dc",
  "rgb": {
    "r": 85,
    "g": 87,
    "b": 220
  },
  "hsl": {
    "h": 239.111,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.53386,
    "c": 0.19824,
    "h": 276.7
  },
  "luminance": 0.13915
}

Semantic roles & 50–950 ramp

primary

#5557DC

secondary

#E0E0AC

accent

#E63FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5557DC

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

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