#555DF4#555DF4

#555DF4 is a mid, highly saturated blue. Relative luminance 0.163; OKLCH L 56.4% C 0.222 H 274.4°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#555DF4
RGB	rgb(85, 93, 244)
HSL	hsl(237, 88%, 65%)
HSV	hsv(237, 65%, 96%)
CMYK	cmyk(65.2%, 61.9%, 0%, 4.3%)
CIE-LAB	lab(47.35, 42.89, -76.68)
CIE-LCH	lch(47.35, 87.86, 299.22°)
OKLab	oklab(56.35% 0.0171 -0.2211)
OKLCH	oklch(56.35% 0.222 274.4)
XYZ	xyz(23.9844, 16.2895, 87.4507)
Luminance	0.1629 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DF4 #F4EC55

analogous

#55ADF4 #555DF4 #9D55F4

triadic

#555DF4 #F4555D #5DF455

tetradic

#555DF4 #F455AD #F4EC55 #55F49D

square

#555DF4 #F455AD #F4EC55 #55F49D

split-complementary

#555DF4 #F49D55 #ADF455

monochromatic

#0D16C2 #1C26F0 #555DF4 #8E94F8 #C8CBFB

Accessibility & contrast

On white

4.93

#555DF4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#555DF4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DF4

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DF4	#FFFFFF	#000000	##FFFFFF
##555DF4	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078F9

Deuteranopia (green-blind)

#0069F1

Tritanopia (blue-blind)

#0083A0

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #555df4;
/* rgb */ color: rgb(85, 93, 244);
/* oklch */ color: oklch(56.4% 0.222 274.4);

Tailwind

colors: {
  custom: {
    50: '#968bf9',
    500: '#555df4',
    950: '#000000',
  },
}

SCSS

$custom: #555df4;
$custom-light: #968bf9;
$custom-dark: #000000;

JSON

{
  "hex": "#555df4",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 244
  },
  "hsl": {
    "h": 236.981,
    "s": 87.845,
    "l": 64.51
  },
  "oklch": {
    "l": 0.5635,
    "c": 0.22177,
    "h": 274.4
  },
  "luminance": 0.16292
}

Semantic roles & 50–950 ramp

primary

#555DF4

secondary

#EEEBB7

accent

#D901E4

background

#FAF8FF

surface

#F3F0FF

border

#CDCBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #555DF4

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

Preview Lab → · Contrast checker → · Palette generator →