#555EC7#555EC7

#555EC7 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.1% C 0.161 H 275.8°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#555EC7
RGB	rgb(85, 94, 199)
HSL	hsl(235, 50%, 56%)
HSV	hsv(235, 57%, 78%)
CMYK	cmyk(57.3%, 52.8%, 0%, 22%)
CIE-LAB	lab(44.32, 27.43, -56.04)
CIE-LCH	lch(44.32, 62.39, 296.08°)
OKLab	oklab(53.07% 0.0162 -0.1604)
OKLCH	oklch(53.07% 0.161 275.8)
XYZ	xyz(18.0545, 14.0589, 55.7840)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EC7 #C7BE55

analogous

#5597C7 #555EC7 #8555C7

triadic

#555EC7 #C7555E #5EC755

tetradic

#555EC7 #C75597 #C7BE55 #55C785

square

#555EC7 #C75597 #C7BE55 #55C785

split-complementary

#555EC7 #C78555 #97C755

monochromatic

#282E7A #3740A8 #555EC7 #838AD6 #B1B5E5

Accessibility & contrast

On white

5.51

#555EC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#555EC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EC7

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EC7	#FFFFFF	#000000	##FFFFFF
##555EC7	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#206ECB

Deuteranopia (green-blind)

#0064C5

Tritanopia (blue-blind)

#0B7689

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #555ec7;
/* rgb */ color: rgb(85, 94, 199);
/* oklch */ color: oklch(53.1% 0.161 275.8);

Tailwind

colors: {
  custom: {
    50: '#8e8bd9',
    500: '#555ec7',
    950: '#000000',
  },
}

SCSS

$custom: #555ec7;
$custom-light: #8e8bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#555ec7",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 199
  },
  "hsl": {
    "h": 235.263,
    "s": 50.442,
    "l": 55.686
  },
  "oklch": {
    "l": 0.53068,
    "c": 0.16123,
    "h": 275.8
  },
  "luminance": 0.1406
}

Semantic roles & 50–950 ramp

primary

#555EC7

secondary

#D4D0A4

accent

#CF4EDA

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #555EC7

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

Preview Lab → · Contrast checker → · Palette generator →