#5555DC#5555DC

#5555DC is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.0% C 0.201 H 277.1°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#5555DC
RGB	rgb(85, 85, 220)
HSL	hsl(240, 66%, 60%)
HSV	hsv(240, 61%, 86%)
CMYK	cmyk(61.4%, 61.4%, 0%, 13.7%)
CIE-LAB	lab(43.65, 39.85, -69.18)
CIE-LCH	lch(43.65, 79.83, 299.95°)
OKLab	oklab(53.04% 0.0248 -0.1991)
OKLCH	oklch(53.04% 0.201 277.1)
XYZ	xyz(19.9089, 13.5940, 69.2710)
Luminance	0.1360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5555DC #DCDC55

analogous

#5599DC #5555DC #9955DC

triadic

#5555DC #DC5555 #55DC55

tetradic

#5555DC #DC5599 #DCDC55 #55DC99

square

#5555DC #DC5599 #DCDC55 #55DC99

split-complementary

#5555DC #DC9955 #99DC55

monochromatic

#1F1F97 #2A2ACA #5555DC #8888E6 #BBBBF1

Accessibility & contrast

On white

5.65

#5555DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#5555DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5555DC

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5555DC	#FFFFFF	#000000	##FFFFFF
##5555DC	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE0

Deuteranopia (green-blind)

#0061D9

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5555dc;
/* rgb */ color: rgb(85, 85, 220);
/* oklch */ color: oklch(53.0% 0.201 277.1);

Tailwind

colors: {
  custom: {
    50: '#9285e8',
    500: '#5555dc',
    950: '#000000',
  },
}

SCSS

$custom: #5555dc;
$custom-light: #9285e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5555dc",
  "rgb": {
    "r": 85,
    "g": 85,
    "b": 220
  },
  "hsl": {
    "h": 240,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.53045,
    "c": 0.20067,
    "h": 277.1
  },
  "luminance": 0.13596
}

Semantic roles & 50–950 ramp

primary

#5555DC

secondary

#E0E0AC

accent

#E93FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5555DC

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

Preview Lab → · Contrast checker → · Palette generator →