#555CF4#555CF4

#555CF4 is a mid, highly saturated blue. Relative luminance 0.161; OKLCH L 56.2% C 0.223 H 274.6°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#555CF4
RGB	rgb(85, 92, 244)
HSL	hsl(237, 88%, 65%)
HSV	hsv(237, 65%, 96%)
CMYK	cmyk(65.2%, 62.3%, 0%, 4.3%)
CIE-LAB	lab(47.13, 43.49, -77.05)
CIE-LCH	lch(47.13, 88.48, 299.44°)
OKLab	oklab(56.18% 0.0179 -0.2222)
OKLCH	oklch(56.18% 0.223 274.6)
XYZ	xyz(23.8972, 16.1151, 87.4216)
Luminance	0.1612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CF4 #F4ED55

analogous

#55ACF4 #555CF4 #9D55F4

triadic

#555CF4 #F4555C #5CF455

tetradic

#555CF4 #F455AC #F4ED55 #55F49D

square

#555CF4 #F455AC #F4ED55 #55F49D

split-complementary

#555CF4 #F49D55 #ACF455

monochromatic

#0D15C2 #1C25F0 #555CF4 #8E93F8 #C8CAFB

Accessibility & contrast

On white

4.97

#555CF4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#555CF4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CF4

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CF4	#FFFFFF	#000000	##FFFFFF
##555CF4	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077F9

Deuteranopia (green-blind)

#0069F1

Tritanopia (blue-blind)

#0083A0

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #555cf4;
/* rgb */ color: rgb(85, 92, 244);
/* oklch */ color: oklch(56.2% 0.223 274.6);

Tailwind

colors: {
  custom: {
    50: '#968af9',
    500: '#555cf4',
    950: '#000000',
  },
}

SCSS

$custom: #555cf4;
$custom-light: #968af9;
$custom-dark: #000000;

JSON

{
  "hex": "#555cf4",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 244
  },
  "hsl": {
    "h": 237.358,
    "s": 87.845,
    "l": 64.51
  },
  "oklch": {
    "l": 0.56184,
    "c": 0.22292,
    "h": 274.6
  },
  "luminance": 0.16117
}

Semantic roles & 50–950 ramp

primary

#555CF4

secondary

#EEEBB7

accent

#DA01E4

background

#FAF8FF

surface

#F3F0FF

border

#CDCBD7

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #555CF4

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

Preview Lab → · Contrast checker → · Palette generator →