#555AB2#555AB2

#555AB2 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 50.8% C 0.137 H 277.9°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#555AB2
RGB	rgb(85, 90, 178)
HSL	hsl(237, 38%, 52%)
HSV	hsv(237, 52%, 70%)
CMYK	cmyk(52.2%, 49.4%, 0%, 30.2%)
CIE-LAB	lab(41.93, 23.08, -47.64)
CIE-LCH	lch(41.93, 52.94, 295.85°)
OKLab	oklab(50.84% 0.0188 -0.1358)
OKLCH	oklch(50.84% 0.137 277.9)
XYZ	xyz(15.4358, 12.4570, 43.7019)
Luminance	0.1246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555AB2 #B2AD55

analogous

#5589B2 #555AB2 #7F55B2

triadic

#555AB2 #B2555A #5AB255

tetradic

#555AB2 #B25589 #B2AD55 #55B27F

square

#555AB2 #B25589 #B2AD55 #55B27F

split-complementary

#555AB2 #B27F55 #89B255

monochromatic

#2C2F61 #3F438B #555AB2 #7F83C5 #A9ACD8

Accessibility & contrast

On white

6.01

#555AB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#555AB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555AB2

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555AB2	#FFFFFF	#000000	##FFFFFF
##555AB2	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3167B5

Deuteranopia (green-blind)

#275FB0

Tritanopia (blue-blind)

#2D6D7D

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #555ab2;
/* rgb */ color: rgb(85, 90, 178);
/* oklch */ color: oklch(50.8% 0.137 277.9);

Tailwind

colors: {
  custom: {
    50: '#8b88c9',
    500: '#555ab2',
    950: '#000000',
  },
}

SCSS

$custom: #555ab2;
$custom-light: #8b88c9;
$custom-dark: #000000;

JSON

{
  "hex": "#555ab2",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 178
  },
  "hsl": {
    "h": 236.774,
    "s": 37.652,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5084,
    "c": 0.13706,
    "h": 277.9
  },
  "luminance": 0.12458
}

Semantic roles & 50–950 ramp

primary

#555AB2

secondary

#C6C49D

accent

#C75ACE

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #555AB2

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

Preview Lab → · Contrast checker → · Palette generator →