#555EF4#555EF4

#555EF4 is a mid, highly saturated blue. Relative luminance 0.165; OKLCH L 56.5% C 0.221 H 274.2°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#555EF4
RGB	rgb(85, 94, 244)
HSL	hsl(237, 88%, 65%)
HSV	hsv(237, 65%, 96%)
CMYK	cmyk(65.2%, 61.5%, 0%, 4.3%)
CIE-LAB	lab(47.58, 42.30, -76.31)
CIE-LCH	lch(47.58, 87.25, 299.00°)
OKLab	oklab(56.52% 0.0163 -0.22)
OKLCH	oklch(56.52% 0.221 274.2)
XYZ	xyz(24.0727, 16.4662, 87.4801)
Luminance	0.1647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EF4 #F4EB55

analogous

#55ADF4 #555EF4 #9C55F4

triadic

#555EF4 #F4555E #5EF455

tetradic

#555EF4 #F455AD #F4EB55 #55F49C

square

#555EF4 #F455AD #F4EB55 #55F49C

split-complementary

#555EF4 #F49C55 #ADF455

monochromatic

#0D17C2 #1C28F0 #555EF4 #8E94F8 #C8CBFB

Accessibility & contrast

On white

4.89

#555EF4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#555EF4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EF4

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EF4	#FFFFFF	#000000	##FFFFFF
##555EF4	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078F9

Deuteranopia (green-blind)

#006AF1

Tritanopia (blue-blind)

#0084A0

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #555ef4;
/* rgb */ color: rgb(85, 94, 244);
/* oklch */ color: oklch(56.5% 0.221 274.2);

Tailwind

colors: {
  custom: {
    50: '#968cf9',
    500: '#555ef4',
    950: '#000000',
  },
}

SCSS

$custom: #555ef4;
$custom-light: #968cf9;
$custom-dark: #000000;

JSON

{
  "hex": "#555ef4",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 244
  },
  "hsl": {
    "h": 236.604,
    "s": 87.845,
    "l": 64.51
  },
  "oklch": {
    "l": 0.56518,
    "c": 0.22062,
    "h": 274.2
  },
  "luminance": 0.16468
}

Semantic roles & 50–950 ramp

primary

#555EF4

secondary

#EEEBB7

accent

#D801E4

background

#FAF8FF

surface

#F3F0FF

border

#CDCBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #555EF4

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

Preview Lab → · Contrast checker → · Palette generator →