#555FDC#555FDC

#555FDC is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.8% C 0.188 H 274.9°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#555FDC
RGB	rgb(85, 95, 220)
HSL	hsl(236, 66%, 60%)
HSV	hsv(236, 61%, 86%)
CMYK	cmyk(61.4%, 56.8%, 0%, 13.7%)
CIE-LAB	lab(46.02, 33.76, -65.32)
CIE-LCH	lch(46.02, 73.53, 297.34°)
OKLab	oklab(54.8% 0.016 -0.1877)
OKLCH	oklch(54.8% 0.188 274.9)
XYZ	xyz(20.7526, 15.2813, 69.5523)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FDC #DCD255

analogous

#55A2DC #555FDC #8F55DC

triadic

#555FDC #DC555F #5FDC55

tetradic

#555FDC #DC55A2 #DCD255 #55DC8F

square

#555FDC #DC55A2 #DCD255 #55DC8F

split-complementary

#555FDC #DC8F55 #A2DC55

monochromatic

#1F2897 #2A36CA #555FDC #888FE6 #BBBFF1

Accessibility & contrast

On white

5.18

#555FDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#555FDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FDC

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FDC	#FFFFFF	#000000	##FFFFFF
##555FDC	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E0

Deuteranopia (green-blind)

#0067D9

Tritanopia (blue-blind)

#007D94

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #555fdc;
/* rgb */ color: rgb(85, 95, 220);
/* oklch */ color: oklch(54.8% 0.188 274.9);

Tailwind

colors: {
  custom: {
    50: '#928ce8',
    500: '#555fdc',
    950: '#000000',
  },
}

SCSS

$custom: #555fdc;
$custom-light: #928ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#555fdc",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 220
  },
  "hsl": {
    "h": 235.556,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.54799,
    "c": 0.18839,
    "h": 274.9
  },
  "luminance": 0.15283
}

Semantic roles & 50–950 ramp

primary

#555FDC

secondary

#E0DDAC

accent

#DC3FE9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555FDC

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

Preview Lab → · Contrast checker → · Palette generator →