#555FE9#555FE9

#555FE9 is a mid, highly saturated blue. Relative luminance 0.160; OKLCH L 55.8% C 0.205 H 274.4°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#555FE9
RGB	rgb(85, 95, 233)
HSL	hsl(236, 77%, 62%)
HSV	hsv(236, 64%, 91%)
CMYK	cmyk(63.5%, 59.2%, 0%, 8.6%)
CIE-LAB	lab(46.97, 38.07, -71.13)
CIE-LCH	lch(46.97, 80.67, 298.16°)
OKLab	oklab(55.81% 0.0159 -0.2048)
OKLCH	oklch(55.81% 0.205 274.4)
XYZ	xyz(22.5416, 15.9970, 78.9748)
Luminance	0.1600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FE9 #E9DF55

analogous

#55A9E9 #555FE9 #9555E9

triadic

#555FE9 #E9555F #5FE955

tetradic

#555FE9 #E955A9 #E9DF55 #55E995

square

#555FE9 #E955A9 #E9DF55 #55E995

split-complementary

#555FE9 #E99555 #A9E955

monochromatic

#1621AD #1F2CE2 #555FE9 #8B92F0 #C1C5F7

Accessibility & contrast

On white

5.00

#555FE9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#555FE9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FE9

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FE9	#FFFFFF	#000000	##FFFFFF
##555FE9	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076EE

Deuteranopia (green-blind)

#0069E6

Tritanopia (blue-blind)

#00819B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #555fe9;
/* rgb */ color: rgb(85, 95, 233);
/* oklch */ color: oklch(55.8% 0.205 274.4);

Tailwind

colors: {
  custom: {
    50: '#948cf1',
    500: '#555fe9',
    950: '#000000',
  },
}

SCSS

$custom: #555fe9;
$custom-light: #948cf1;
$custom-dark: #000000;

JSON

{
  "hex": "#555fe9",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 233
  },
  "hsl": {
    "h": 235.946,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.55805,
    "c": 0.2054,
    "h": 274.4
  },
  "luminance": 0.15999
}

Semantic roles & 50–950 ramp

primary

#555FE9

secondary

#E8E4B2

accent

#CB0CD9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C17

muted

#7E7D85

Preview Lab

Preview with #555FE9

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

Preview Lab → · Contrast checker → · Palette generator →