#5557DB#5557DB

#5557DB is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.3% C 0.197 H 276.7°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#5557DB
RGB	rgb(85, 87, 219)
HSL	hsl(239, 65%, 60%)
HSV	hsv(239, 61%, 86%)
CMYK	cmyk(61.2%, 60.3%, 0%, 14.1%)
CIE-LAB	lab(44.03, 38.32, -67.98)
CIE-LCH	lch(44.03, 78.03, 299.41°)
OKLab	oklab(53.31% 0.0231 -0.1956)
OKLCH	oklch(53.31% 0.197 276.7)
XYZ	xyz(19.9365, 13.8606, 68.6289)
Luminance	0.1386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5557DB #DBD955

analogous

#559ADB #5557DB #9655DB

triadic

#5557DB #DB5557 #57DB55

tetradic

#5557DB #DB559A #DBD955 #55DB96

square

#5557DB #DB559A #DBD955 #55DB96

split-complementary

#5557DB #DB9655 #9ADB55

monochromatic

#202196 #2A2DC8 #5557DB #8889E6 #BABBF0

Accessibility & contrast

On white

5.57

#5557DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#5557DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5557DB

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5557DB	#FFFFFF	#000000	##FFFFFF
##5557DB	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDF

Deuteranopia (green-blind)

#0062D8

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5557db;
/* rgb */ color: rgb(85, 87, 219);
/* oklch */ color: oklch(53.3% 0.197 276.7);

Tailwind

colors: {
  custom: {
    50: '#9286e7',
    500: '#5557db',
    950: '#000000',
  },
}

SCSS

$custom: #5557db;
$custom-light: #9286e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5557db",
  "rgb": {
    "r": 85,
    "g": 87,
    "b": 219
  },
  "hsl": {
    "h": 239.104,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.53306,
    "c": 0.19694,
    "h": 276.7
  },
  "luminance": 0.13862
}

Semantic roles & 50–950 ramp

primary

#5557DB

secondary

#E0DFAC

accent

#E640E8

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5557DB

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

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