#5559BF#5559BF

#5559BF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.157 H 277.7°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5559BF
RGB	rgb(85, 89, 191)
HSL	hsl(238, 45%, 54%)
HSV	hsv(238, 55%, 75%)
CMYK	cmyk(55.5%, 53.4%, 0%, 25.1%)
CIE-LAB	lab(42.52, 27.93, -54.31)
CIE-LCH	lch(42.52, 61.07, 297.22°)
OKLab	oklab(51.55% 0.021 -0.1554)
OKLCH	oklch(51.55% 0.157 277.7)
XYZ	xyz(16.7197, 12.8365, 50.8768)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5559BF #BFBB55

analogous

#558EBF #5559BF #8655BF

triadic

#5559BF #BF5559 #59BF55

tetradic

#5559BF #BF558E #BFBB55 #55BF86

square

#5559BF #BF558E #BFBB55 #55BF86

split-complementary

#5559BF #BF8655 #8EBF55

monochromatic

#2A2D70 #3B3E9C #5559BF #8184D0 #AEB0E0

Accessibility & contrast

On white

5.89

#5559BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#5559BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5559BF

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5559BF	#FFFFFF	#000000	##FFFFFF
##5559BF	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D69C3

Deuteranopia (green-blind)

#0260BD

Tritanopia (blue-blind)

#1E7083

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5559bf;
/* rgb */ color: rgb(85, 89, 191);
/* oklch */ color: oklch(51.5% 0.157 277.7);

Tailwind

colors: {
  custom: {
    50: '#8d87d3',
    500: '#5559bf',
    950: '#000000',
  },
}

SCSS

$custom: #5559bf;
$custom-light: #8d87d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5559bf",
  "rgb": {
    "r": 85,
    "g": 89,
    "b": 191
  },
  "hsl": {
    "h": 237.736,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51547,
    "c": 0.15678,
    "h": 277.7
  },
  "luminance": 0.12838
}

Semantic roles & 50–950 ramp

primary

#5559BF

secondary

#CECDA1

accent

#D053D5

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #5559BF

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

Preview Lab → · Contrast checker → · Palette generator →