#5559CB#5559CB

#5559CB is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.4% C 0.173 H 277.1°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#5559CB
RGB	rgb(85, 89, 203)
HSL	hsl(238, 53%, 56%)
HSV	hsv(238, 58%, 80%)
CMYK	cmyk(58.1%, 56.2%, 0%, 20.4%)
CIE-LAB	lab(43.34, 31.86, -59.93)
CIE-LCH	lch(43.34, 67.87, 298.00°)
OKLab	oklab(52.43% 0.0214 -0.1719)
OKLCH	oklch(52.43% 0.173 277.1)
XYZ	xyz(18.0947, 13.3865, 58.1187)
Luminance	0.1339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5559CB #CBC755

analogous

#5594CB #5559CB #8C55CB

triadic

#5559CB #CB5559 #59CB55

tetradic

#5559CB #CB5594 #CBC755 #55CB8C

square

#5559CB #CB5594 #CBC755 #55CB8C

split-complementary

#5559CB #CB8C55 #94CB55

monochromatic

#272A7F #3539AE #5559CB #8487D9 #B3B5E8

Accessibility & contrast

On white

5.71

#5559CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#5559CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5559CB

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5559CB	#FFFFFF	#000000	##FFFFFF
##5559CB	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCF

Deuteranopia (green-blind)

#0062C9

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5559cb;
/* rgb */ color: rgb(85, 89, 203);
/* oklch */ color: oklch(52.4% 0.173 277.1);

Tailwind

colors: {
  custom: {
    50: '#8f88dc',
    500: '#5559cb',
    950: '#000000',
  },
}

SCSS

$custom: #5559cb;
$custom-light: #8f88dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5559cb",
  "rgb": {
    "r": 85,
    "g": 89,
    "b": 203
  },
  "hsl": {
    "h": 237.966,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.52425,
    "c": 0.17323,
    "h": 277.1
  },
  "luminance": 0.13388
}

Semantic roles & 50–950 ramp

primary

#5559CB

secondary

#D6D4A6

accent

#D84BDD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5559CB

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

Preview Lab → · Contrast checker → · Palette generator →