#555DC0#555DC0

#555DC0 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.4% C 0.153 H 276.3°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#555DC0
RGB	rgb(85, 93, 192)
HSL	hsl(236, 46%, 54%)
HSV	hsv(236, 56%, 75%)
CMYK	cmyk(55.7%, 51.6%, 0%, 24.7%)
CIE-LAB	lab(43.60, 25.75, -53.14)
CIE-LCH	lch(43.60, 59.05, 295.86°)
OKLab	oklab(52.38% 0.0167 -0.1519)
OKLCH	oklch(52.38% 0.153 276.3)
XYZ	xyz(17.1720, 13.5646, 51.5723)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DC0 #C0B855

analogous

#5593C0 #555DC0 #8355C0

triadic

#555DC0 #C0555D #5DC055

tetradic

#555DC0 #C05593 #C0B855 #55C083

square

#555DC0 #C05593 #C0B855 #55C083

split-complementary

#555DC0 #C08355 #93C055

monochromatic

#2A2F71 #3A429D #555DC0 #8288D1 #AEB2E1

Accessibility & contrast

On white

5.66

#555DC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#555DC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DC0

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DC0	#FFFFFF	#000000	##FFFFFF
##555DC0	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286CC4

Deuteranopia (green-blind)

#1563BE

Tritanopia (blue-blind)

#1C7385

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #555dc0;
/* rgb */ color: rgb(85, 93, 192);
/* oklch */ color: oklch(52.4% 0.153 276.3);

Tailwind

colors: {
  custom: {
    50: '#8d8ad4',
    500: '#555dc0',
    950: '#000000',
  },
}

SCSS

$custom: #555dc0;
$custom-light: #8d8ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#555dc0",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 192
  },
  "hsl": {
    "h": 235.514,
    "s": 45.923,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52383,
    "c": 0.15281,
    "h": 276.3
  },
  "luminance": 0.13566
}

Semantic roles & 50–950 ramp

primary

#555DC0

secondary

#CFCCA2

accent

#CC52D6

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #555DC0

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

Preview Lab → · Contrast checker → · Palette generator →