#5559CC#5559CC

#5559CC is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.5% C 0.175 H 277.0°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#5559CC
RGB	rgb(85, 89, 204)
HSL	hsl(238, 54%, 57%)
HSV	hsv(238, 58%, 80%)
CMYK	cmyk(58.3%, 56.4%, 0%, 20%)
CIE-LAB	lab(43.41, 32.19, -60.39)
CIE-LCH	lch(43.41, 68.43, 298.06°)
OKLab	oklab(52.5% 0.0214 -0.1733)
OKLCH	oklch(52.5% 0.175 277)
XYZ	xyz(18.2143, 13.4344, 58.7483)
Luminance	0.1344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5559CC #CCC855

analogous

#5595CC #5559CC #8D55CC

triadic

#5559CC #CC5559 #59CC55

tetradic

#5559CC #CC5595 #CCC855 #55CC8D

square

#5559CC #CC5595 #CCC855 #55CC8D

split-complementary

#5559CC #CC8D55 #95CC55

monochromatic

#262980 #3539AF #5559CC #8487DA #B3B5E8

Accessibility & contrast

On white

5.70

#5559CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#5559CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5559CC

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5559CC	#FFFFFF	#000000	##FFFFFF
##5559CC	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#0062CA

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5559cc;
/* rgb */ color: rgb(85, 89, 204);
/* oklch */ color: oklch(52.5% 0.175 277.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#5559cc",
  "rgb": {
    "r": 85,
    "g": 89,
    "b": 204
  },
  "hsl": {
    "h": 237.983,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52499,
    "c": 0.17458,
    "h": 277
  },
  "luminance": 0.13436
}

Semantic roles & 50–950 ramp

primary

#5559CC

secondary

#D7D5A6

accent

#D84BDD

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #5559CC

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

Preview Lab → · Contrast checker → · Palette generator →