#555AD2#555AD2

#555AD2 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.1% C 0.181 H 276.5°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#555AD2
RGB	rgb(85, 90, 210)
HSL	hsl(238, 58%, 58%)
HSV	hsv(238, 60%, 82%)
CMYK	cmyk(59.5%, 57.1%, 0%, 17.6%)
CIE-LAB	lab(44.08, 33.54, -62.75)
CIE-LCH	lch(44.08, 71.15, 298.13°)
OKLab	oklab(53.13% 0.0205 -0.1802)
OKLCH	oklch(53.13% 0.181 276.5)
XYZ	xyz(19.0316, 13.8953, 62.6394)
Luminance	0.1390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555AD2 #D2CD55

analogous

#5598D2 #555AD2 #8E55D2

triadic

#555AD2 #D2555A #5AD255

tetradic

#555AD2 #D25598 #D2CD55 #55D28E

square

#555AD2 #D25598 #D2CD55 #55D28E

split-complementary

#555AD2 #D28E55 #98D255

monochromatic

#242888 #3136B9 #555AD2 #8589DF #B6B8EC

Accessibility & contrast

On white

5.56

#555AD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#555AD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555AD2

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555AD2	#FFFFFF	#000000	##FFFFFF
##555AD2	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED6

Deuteranopia (green-blind)

#0063D0

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #555ad2;
/* rgb */ color: rgb(85, 90, 210);
/* oklch */ color: oklch(53.1% 0.181 276.5);

Tailwind

colors: {
  custom: {
    50: '#9088e1',
    500: '#555ad2',
    950: '#000000',
  },
}

SCSS

$custom: #555ad2;
$custom-light: #9088e1;
$custom-dark: #000000;

JSON

{
  "hex": "#555ad2",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 210
  },
  "hsl": {
    "h": 237.6,
    "s": 58.14,
    "l": 57.843
  },
  "oklch": {
    "l": 0.53134,
    "c": 0.18135,
    "h": 276.5
  },
  "luminance": 0.13897
}

Semantic roles & 50–950 ramp

primary

#555AD2

secondary

#DAD8A8

accent

#DB46E1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #555AD2

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

Preview Lab → · Contrast checker → · Palette generator →