#555ADB#555ADB

#555ADB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.8% C 0.193 H 276.1°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#555ADB
RGB	rgb(85, 90, 219)
HSL	hsl(238, 65%, 60%)
HSV	hsv(238, 61%, 86%)
CMYK	cmyk(61.2%, 58.9%, 0%, 14.1%)
CIE-LAB	lab(44.74, 36.50, -66.82)
CIE-LCH	lch(44.74, 76.14, 298.64°)
OKLab	oklab(53.83% 0.0205 -0.1922)
OKLCH	oklch(53.83% 0.193 276.1)
XYZ	xyz(20.1845, 14.3565, 68.7115)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555ADB #DBD655

analogous

#559DDB #555ADB #9355DB

triadic

#555ADB #DB555A #5ADB55

tetradic

#555ADB #DB559D #DBD655 #55DB93

square

#555ADB #DB559D #DBD655 #55DB93

split-complementary

#555ADB #DB9355 #9DDB55

monochromatic

#202496 #2A30C8 #555ADB #888BE6 #BABCF0

Accessibility & contrast

On white

5.42

#555ADB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#555ADB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555ADB

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555ADB	#FFFFFF	#000000	##FFFFFF
##555ADB	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DF

Deuteranopia (green-blind)

#0064D8

Tritanopia (blue-blind)

#007992

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555adb;
/* rgb */ color: rgb(85, 90, 219);
/* oklch */ color: oklch(53.8% 0.193 276.1);

Tailwind

colors: {
  custom: {
    50: '#9288e7',
    500: '#555adb',
    950: '#000000',
  },
}

SCSS

$custom: #555adb;
$custom-light: #9288e7;
$custom-dark: #000000;

JSON

{
  "hex": "#555adb",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 219
  },
  "hsl": {
    "h": 237.761,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.53828,
    "c": 0.19327,
    "h": 276.1
  },
  "luminance": 0.14358
}

Semantic roles & 50–950 ramp

primary

#555ADB

secondary

#E0DEAC

accent

#E240E8

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #555ADB

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

Preview Lab → · Contrast checker → · Palette generator →