#555FDF#555FDF

#555FDF is a mid, vivid blue. Relative luminance 0.154; OKLCH L 55.0% C 0.192 H 274.8°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#555FDF
RGB	rgb(85, 95, 223)
HSL	hsl(236, 68%, 60%)
HSV	hsv(236, 62%, 87%)
CMYK	cmyk(61.9%, 57.4%, 0%, 12.5%)
CIE-LAB	lab(46.23, 34.76, -66.67)
CIE-LCH	lch(46.23, 75.19, 297.53°)
OKLab	oklab(55.03% 0.016 -0.1917)
OKLCH	oklch(55.03% 0.192 274.8)
XYZ	xyz(21.1534, 15.4417, 71.6635)
Luminance	0.1544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FDF #DFD555

analogous

#55A4DF #555FDF #9055DF

triadic

#555FDF #DF555F #5FDF55

tetradic

#555FDF #DF55A4 #DFD555 #55DF90

square

#555FDF #DF55A4 #DFD555 #55DF90

split-complementary

#555FDF #DF9055 #A4DF55

monochromatic

#1D279C #2733D0 #555FDF #898FE9 #BCC0F2

Accessibility & contrast

On white

5.14

#555FDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#555FDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FDF

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FDF	#FFFFFF	#000000	##FFFFFF
##555FDF	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E3

Deuteranopia (green-blind)

#0068DC

Tritanopia (blue-blind)

#007E96

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #555fdf;
/* rgb */ color: rgb(85, 95, 223);
/* oklch */ color: oklch(55.0% 0.192 274.8);

Tailwind

colors: {
  custom: {
    50: '#928cea',
    500: '#555fdf',
    950: '#000000',
  },
}

SCSS

$custom: #555fdf;
$custom-light: #928cea;
$custom-dark: #000000;

JSON

{
  "hex": "#555fdf",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 223
  },
  "hsl": {
    "h": 235.652,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.55027,
    "c": 0.19236,
    "h": 274.8
  },
  "luminance": 0.15443
}

Semantic roles & 50–950 ramp

primary

#555FDF

secondary

#E2DEAE

accent

#C315D0

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555FDF

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

Preview Lab → · Contrast checker → · Palette generator →