#555AAA#555AAA

#555AAA is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.3% C 0.125 H 278.2°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#555AAA
RGB	rgb(85, 90, 170)
HSL	hsl(236, 33%, 50%)
HSV	hsv(236, 50%, 67%)
CMYK	cmyk(50%, 47.1%, 0%, 33.3%)
CIE-LAB	lab(41.45, 20.51, -43.71)
CIE-LCH	lch(41.45, 48.28, 295.14°)
OKLab	oklab(50.31% 0.0178 -0.1242)
OKLCH	oklch(50.31% 0.125 278.2)
XYZ	xyz(14.6559, 12.1451, 39.5944)
Luminance	0.1215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555AAA #AAA555

analogous

#5584AA #555AAA #7B55AA

triadic

#555AAA #AA555A #5AAA55

tetradic

#555AAA #AA5584 #AAA555 #55AA7B

square

#555AAA #AA5584 #AAA555 #55AA7B

split-complementary

#555AAA #AA7B55 #84AA55

monochromatic

#2C2F58 #414481 #555AAA #7E82BE #A7A9D3

Accessibility & contrast

On white

6.12

#555AAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#555AAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555AAA

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555AAA	#FFFFFF	#000000	##FFFFFF
##555AAA	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3865AD

Deuteranopia (green-blind)

#305FA8

Tritanopia (blue-blind)

#346B7A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #555aaa;
/* rgb */ color: rgb(85, 90, 170);
/* oklch */ color: oklch(50.3% 0.125 278.2);

Tailwind

colors: {
  custom: {
    50: '#8a88c4',
    500: '#555aaa',
    950: '#000000',
  },
}

SCSS

$custom: #555aaa;
$custom-light: #8a88c4;
$custom-dark: #000000;

JSON

{
  "hex": "#555aaa",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 170
  },
  "hsl": {
    "h": 236.471,
    "s": 33.333,
    "l": 50
  },
  "oklch": {
    "l": 0.50314,
    "c": 0.12548,
    "h": 278.2
  },
  "luminance": 0.12146
}

Semantic roles & 50–950 ramp

primary

#555AAA

secondary

#C0BE9A

accent

#C35EC9

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B12

muted

#7D7C81

Preview Lab

Preview with #555AAA

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

Preview Lab → · Contrast checker → · Palette generator →