#555FC0#555FC0

#555FC0 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.8% C 0.150 H 275.6°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#555FC0
RGB	rgb(85, 95, 192)
HSL	hsl(234, 46%, 54%)
HSV	hsv(234, 56%, 75%)
CMYK	cmyk(55.7%, 50.5%, 0%, 24.7%)
CIE-LAB	lab(44.12, 24.50, -52.31)
CIE-LCH	lch(44.12, 57.76, 295.10°)
OKLab	oklab(52.77% 0.0146 -0.1494)
OKLCH	oklch(52.77% 0.15 275.6)
XYZ	xyz(17.3499, 13.9203, 51.6316)
Luminance	0.1392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FC0 #C0B655

analogous

#5594C0 #555FC0 #8155C0

triadic

#555FC0 #C0555F #5FC055

tetradic

#555FC0 #C05594 #C0B655 #55C081

square

#555FC0 #C05594 #C0B655 #55C081

split-complementary

#555FC0 #C08155 #94C055

monochromatic

#2A3071 #3A449D #555FC0 #8289D1 #AEB3E1

Accessibility & contrast

On white

5.55

#555FC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#555FC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FC0

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FC0	#FFFFFF	#000000	##FFFFFF
##555FC0	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6DC3

Deuteranopia (green-blind)

#1C64BE

Tritanopia (blue-blind)

#1B7586

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #555fc0;
/* rgb */ color: rgb(85, 95, 192);
/* oklch */ color: oklch(52.8% 0.150 275.6);

Tailwind

colors: {
  custom: {
    50: '#8d8cd4',
    500: '#555fc0',
    950: '#000000',
  },
}

SCSS

$custom: #555fc0;
$custom-light: #8d8cd4;
$custom-dark: #000000;

JSON

{
  "hex": "#555fc0",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 192
  },
  "hsl": {
    "h": 234.393,
    "s": 45.923,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52772,
    "c": 0.15014,
    "h": 275.6
  },
  "luminance": 0.13921
}

Semantic roles & 50–950 ramp

primary

#555FC0

secondary

#CFCBA2

accent

#C952D6

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #555FC0

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

Preview Lab → · Contrast checker → · Palette generator →