#555DE9#555DE9

#555DE9 is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.5% C 0.208 H 274.8°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#555DE9
RGB	rgb(85, 93, 233)
HSL	hsl(237, 77%, 62%)
HSV	hsv(237, 64%, 91%)
CMYK	cmyk(63.5%, 60.1%, 0%, 8.6%)
CIE-LAB	lab(46.50, 39.28, -71.89)
CIE-LCH	lch(46.50, 81.92, 298.65°)
OKLab	oklab(55.46% 0.0176 -0.207)
OKLCH	oklch(55.46% 0.208 274.8)
XYZ	xyz(22.3638, 15.6413, 78.9155)
Luminance	0.1564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DE9 #E9E155

analogous

#55A7E9 #555DE9 #9755E9

triadic

#555DE9 #E9555D #5DE955

tetradic

#555DE9 #E955A7 #E9E155 #55E997

square

#555DE9 #E955A7 #E9E155 #55E997

split-complementary

#555DE9 #E99755 #A7E955

monochromatic

#161FAD #1F29E2 #555DE9 #8B91F0 #C1C4F7

Accessibility & contrast

On white

5.09

#555DE9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#555DE9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DE9

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DE9	#FFFFFF	#000000	##FFFFFF
##555DE9	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075EE

Deuteranopia (green-blind)

#0068E6

Tritanopia (blue-blind)

#00809A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #555de9;
/* rgb */ color: rgb(85, 93, 233);
/* oklch */ color: oklch(55.5% 0.208 274.8);

Tailwind

colors: {
  custom: {
    50: '#948bf1',
    500: '#555de9',
    950: '#000000',
  },
}

SCSS

$custom: #555de9;
$custom-light: #948bf1;
$custom-dark: #000000;

JSON

{
  "hex": "#555de9",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 233
  },
  "hsl": {
    "h": 236.757,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.55458,
    "c": 0.20779,
    "h": 274.8
  },
  "luminance": 0.15643
}

Semantic roles & 50–950 ramp

primary

#555DE9

secondary

#E8E5B2

accent

#CE0CD9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C17

muted

#7E7D85

Preview Lab

Preview with #555DE9

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

Preview Lab → · Contrast checker → · Palette generator →