#555EE1#555EE1

#555EE1 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 55.0% C 0.196 H 274.9°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#555EE1
RGB	rgb(85, 94, 225)
HSL	hsl(236, 70%, 61%)
HSV	hsv(236, 62%, 88%)
CMYK	cmyk(62.2%, 58.2%, 0%, 11.8%)
CIE-LAB	lab(46.14, 36.03, -67.96)
CIE-LCH	lch(46.14, 76.92, 297.93°)
OKLab	oklab(55% 0.0169 -0.1955)
OKLCH	oklch(55% 0.196 274.9)
XYZ	xyz(21.3352, 15.3712, 73.0622)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EE1 #E1D855

analogous

#55A4E1 #555EE1 #9255E1

triadic

#555EE1 #E1555E #5EE155

tetradic

#555EE1 #E155A4 #E1D855 #55E192

square

#555EE1 #E155A4 #E1D855 #55E192

split-complementary

#555EE1 #E19255 #A4E155

monochromatic

#1C259F #2531D3 #555EE1 #898FEA #BDC1F3

Accessibility & contrast

On white

5.15

#555EE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#555EE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EE1

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EE1	#FFFFFF	#000000	##FFFFFF
##555EE1	1.00	5.15	4.07	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E5

Deuteranopia (green-blind)

#0067DE

Tritanopia (blue-blind)

#007E96

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #555ee1;
/* rgb */ color: rgb(85, 94, 225);
/* oklch */ color: oklch(55.0% 0.196 274.9);

Tailwind

colors: {
  custom: {
    50: '#938beb',
    500: '#555ee1',
    950: '#000000',
  },
}

SCSS

$custom: #555ee1;
$custom-light: #938beb;
$custom-dark: #000000;

JSON

{
  "hex": "#555ee1",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 225
  },
  "hsl": {
    "h": 236.143,
    "s": 70,
    "l": 60.784
  },
  "oklch": {
    "l": 0.55003,
    "c": 0.19621,
    "h": 274.9
  },
  "luminance": 0.15373
}

Semantic roles & 50–950 ramp

primary

#555EE1

secondary

#E3E0AE

accent

#C614D2

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555EE1

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

Preview Lab → · Contrast checker → · Palette generator →