#555ADD#555ADD

#555ADD is a mid, vivid blue. Relative luminance 0.145; OKLCH L 54.0% C 0.196 H 276.0°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#555ADD
RGB	rgb(85, 90, 221)
HSL	hsl(238, 67%, 60%)
HSV	hsv(238, 62%, 87%)
CMYK	cmyk(61.5%, 59.3%, 0%, 13.3%)
CIE-LAB	lab(44.89, 37.15, -67.72)
CIE-LCH	lch(44.89, 77.24, 298.75°)
OKLab	oklab(53.99% 0.0204 -0.1948)
OKLCH	oklch(53.99% 0.196 276)
XYZ	xyz(20.4494, 14.4624, 70.1065)
Luminance	0.1446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555ADD #DDD855

analogous

#559EDD #555ADD #9455DD

triadic

#555ADD #DD555A #5ADD55

tetradic

#555ADD #DD559E #DDD855 #55DD94

square

#555ADD #DD559E #DDD855 #55DD94

split-complementary

#555ADD #DD9455 #9EDD55

monochromatic

#1F2399 #292FCC #555ADD #888BE7 #BBBDF1

Accessibility & contrast

On white

5.39

#555ADD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#555ADD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555ADD

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555ADD	#FFFFFF	#000000	##FFFFFF
##555ADD	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E1

Deuteranopia (green-blind)

#0064DA

Tritanopia (blue-blind)

#007A93

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555add;
/* rgb */ color: rgb(85, 90, 221);
/* oklch */ color: oklch(54.0% 0.196 276.0);

Tailwind

colors: {
  custom: {
    50: '#9289e8',
    500: '#555add',
    950: '#000000',
  },
}

SCSS

$custom: #555add;
$custom-light: #9289e8;
$custom-dark: #000000;

JSON

{
  "hex": "#555add",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 221
  },
  "hsl": {
    "h": 237.794,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.53985,
    "c": 0.19588,
    "h": 276
  },
  "luminance": 0.14464
}

Semantic roles & 50–950 ramp

primary

#555ADD

secondary

#E1DFAD

accent

#E33EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #555ADD

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

Preview Lab → · Contrast checker → · Palette generator →