#555EE9#555EE9

#555EE9 is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 55.6% C 0.207 H 274.6°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#555EE9
RGB	rgb(85, 94, 233)
HSL	hsl(236, 77%, 62%)
HSV	hsv(236, 64%, 91%)
CMYK	cmyk(63.5%, 59.7%, 0%, 8.6%)
CIE-LAB	lab(46.73, 38.68, -71.51)
CIE-LCH	lch(46.73, 81.30, 298.41°)
OKLab	oklab(55.63% 0.0167 -0.2059)
OKLCH	oklch(55.63% 0.207 274.6)
XYZ	xyz(22.4521, 15.8180, 78.9450)
Luminance	0.1582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EE9 #E9E055

analogous

#55A8E9 #555EE9 #9655E9

triadic

#555EE9 #E9555E #5EE955

tetradic

#555EE9 #E955A8 #E9E055 #55E996

square

#555EE9 #E955A8 #E9E055 #55E996

split-complementary

#555EE9 #E99655 #A8E955

monochromatic

#1620AD #1F2BE2 #555EE9 #8B91F0 #C1C5F7

Accessibility & contrast

On white

5.04

#555EE9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#555EE9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EE9

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EE9	#FFFFFF	#000000	##FFFFFF
##555EE9	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075EE

Deuteranopia (green-blind)

#0068E6

Tritanopia (blue-blind)

#00809A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #555ee9;
/* rgb */ color: rgb(85, 94, 233);
/* oklch */ color: oklch(55.6% 0.207 274.6);

Tailwind

colors: {
  custom: {
    50: '#948bf1',
    500: '#555ee9',
    950: '#000000',
  },
}

SCSS

$custom: #555ee9;
$custom-light: #948bf1;
$custom-dark: #000000;

JSON

{
  "hex": "#555ee9",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 233
  },
  "hsl": {
    "h": 236.351,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.55631,
    "c": 0.2066,
    "h": 274.6
  },
  "luminance": 0.1582
}

Semantic roles & 50–950 ramp

primary

#555EE9

secondary

#E8E5B2

accent

#CD0CD9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C17

muted

#7E7D85

Preview Lab

Preview with #555EE9

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

Preview Lab → · Contrast checker → · Palette generator →