#555EE3#555EE3

#555EE3 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 55.2% C 0.199 H 274.9°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#555EE3
RGB	rgb(85, 94, 227)
HSL	hsl(236, 72%, 61%)
HSV	hsv(236, 63%, 89%)
CMYK	cmyk(62.6%, 58.6%, 0%, 11%)
CIE-LAB	lab(46.29, 36.69, -68.85)
CIE-LCH	lch(46.29, 78.02, 298.05°)
OKLab	oklab(55.16% 0.0169 -0.1981)
OKLCH	oklch(55.16% 0.199 274.9)
XYZ	xyz(21.6096, 15.4810, 74.5075)
Luminance	0.1548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EE3 #E3DA55

analogous

#55A5E3 #555EE3 #9355E3

triadic

#555EE3 #E3555E #5EE355

tetradic

#555EE3 #E355A5 #E3DA55 #55E393

square

#555EE3 #E355A5 #E3DA55 #55E393

split-complementary

#555EE3 #E39355 #A5E355

monochromatic

#1B23A3 #232FD7 #555EE3 #8A90EC #BEC2F4

Accessibility & contrast

On white

5.13

#555EE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#555EE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EE3

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EE3	#FFFFFF	#000000	##FFFFFF
##555EE3	1.00	5.13	4.10	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E7

Deuteranopia (green-blind)

#0068E0

Tritanopia (blue-blind)

#007F97

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #555ee3;
/* rgb */ color: rgb(85, 94, 227);
/* oklch */ color: oklch(55.2% 0.199 274.9);

Tailwind

colors: {
  custom: {
    50: '#938bed',
    500: '#555ee3',
    950: '#000000',
  },
}

SCSS

$custom: #555ee3;
$custom-light: #938bed;
$custom-dark: #000000;

JSON

{
  "hex": "#555ee3",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 227
  },
  "hsl": {
    "h": 236.197,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.55159,
    "c": 0.19883,
    "h": 274.9
  },
  "luminance": 0.15483
}

Semantic roles & 50–950 ramp

primary

#555EE3

secondary

#E5E1AF

accent

#C712D4

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555EE3

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

Preview Lab → · Contrast checker → · Palette generator →