#555BE5#555BE5

#555BE5 is a mid, highly saturated blue. Relative luminance 0.151; OKLCH L 54.8% C 0.205 H 275.4°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#555BE5
RGB	rgb(85, 91, 229)
HSL	hsl(238, 73%, 62%)
HSV	hsv(238, 63%, 90%)
CMYK	cmyk(62.9%, 60.3%, 0%, 10.2%)
CIE-LAB	lab(45.73, 39.17, -70.89)
CIE-LCH	lch(45.73, 81.00, 298.92°)
OKLab	oklab(54.79% 0.0193 -0.2041)
OKLCH	oklch(54.79% 0.205 275.4)
XYZ	xyz(21.6256, 15.0688, 75.8825)
Luminance	0.1507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555BE5 #E5DF55

analogous

#55A3E5 #555BE5 #9755E5

triadic

#555BE5 #E5555B #5BE555

tetradic

#555BE5 #E555A3 #E5DF55 #55E597

square

#555BE5 #E555A3 #E5DF55 #55E597

split-complementary

#555BE5 #E59755 #A3E555

monochromatic

#191FA6 #2229DB #555BE5 #8A8EED #BFC1F5

Accessibility & contrast

On white

5.23

#555BE5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#555BE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555BE5

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555BE5	#FFFFFF	#000000	##FFFFFF
##555BE5	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073EA

Deuteranopia (green-blind)

#0066E2

Tritanopia (blue-blind)

#007D97

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #555be5;
/* rgb */ color: rgb(85, 91, 229);
/* oklch */ color: oklch(54.8% 0.205 275.4);

Tailwind

colors: {
  custom: {
    50: '#9489ee',
    500: '#555be5',
    950: '#000000',
  },
}

SCSS

$custom: #555be5;
$custom-light: #9489ee;
$custom-dark: #000000;

JSON

{
  "hex": "#555be5",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 229
  },
  "hsl": {
    "h": 237.5,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.54794,
    "c": 0.20503,
    "h": 275.4
  },
  "luminance": 0.15071
}

Semantic roles & 50–950 ramp

primary

#555BE5

secondary

#E6E3B0

accent

#CD10D6

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #555BE5

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

Preview Lab → · Contrast checker → · Palette generator →