#5558DD#5558DD

#5558DD is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.6% C 0.198 H 276.4°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#5558DD
RGB	rgb(85, 88, 221)
HSL	hsl(239, 67%, 60%)
HSV	hsv(239, 62%, 87%)
CMYK	cmyk(61.5%, 60.2%, 0%, 13.3%)
CIE-LAB	lab(44.42, 38.37, -68.49)
CIE-LCH	lch(44.42, 78.50, 299.26°)
OKLab	oklab(53.64% 0.0222 -0.1971)
OKLCH	oklch(53.64% 0.198 276.4)
XYZ	xyz(20.2829, 14.1296, 70.0510)
Luminance	0.1413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5558DD #DDDA55

analogous

#559CDD #5558DD #9655DD

triadic

#5558DD #DD5558 #58DD55

tetradic

#5558DD #DD559C #DDDA55 #55DD96

square

#5558DD #DD559C #DDDA55 #55DD96

split-complementary

#5558DD #DD9655 #9CDD55

monochromatic

#1F2199 #292CCC #5558DD #888AE7 #BBBCF1

Accessibility & contrast

On white

5.49

#5558DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#5558DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5558DD

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5558DD	#FFFFFF	#000000	##FFFFFF
##5558DD	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE1

Deuteranopia (green-blind)

#0063DA

Tritanopia (blue-blind)

#007992

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5558dd;
/* rgb */ color: rgb(85, 88, 221);
/* oklch */ color: oklch(53.6% 0.198 276.4);

Tailwind

colors: {
  custom: {
    50: '#9287e9',
    500: '#5558dd',
    950: '#000000',
  },
}

SCSS

$custom: #5558dd;
$custom-light: #9287e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5558dd",
  "rgb": {
    "r": 85,
    "g": 88,
    "b": 221
  },
  "hsl": {
    "h": 238.676,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.53638,
    "c": 0.19832,
    "h": 276.4
  },
  "luminance": 0.14131
}

Semantic roles & 50–950 ramp

primary

#5558DD

secondary

#E1E0AD

accent

#E63EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5558DD

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

Preview Lab → · Contrast checker → · Palette generator →