#555AE9#555AE9

#555AE9 is a mid, highly saturated blue. Relative luminance 0.151; OKLCH L 54.9% C 0.211 H 275.4°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#555AE9
RGB	rgb(85, 90, 233)
HSL	hsl(238, 77%, 62%)
HSV	hsv(238, 64%, 91%)
CMYK	cmyk(63.5%, 61.4%, 0%, 8.6%)
CIE-LAB	lab(45.80, 41.08, -73.03)
CIE-LCH	lch(45.80, 83.79, 299.36°)
OKLab	oklab(54.95% 0.02 -0.2104)
OKLCH	oklch(54.95% 0.211 275.4)
XYZ	xyz(22.1056, 15.1250, 78.8295)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555AE9 #E9E455

analogous

#55A4E9 #555AE9 #9A55E9

triadic

#555AE9 #E9555A #5AE955

tetradic

#555AE9 #E955A4 #E9E455 #55E99A

square

#555AE9 #E955A4 #E9E455 #55E99A

split-complementary

#555AE9 #E99A55 #A4E955

monochromatic

#161CAD #1F25E2 #555AE9 #8B8FF0 #C1C3F7

Accessibility & contrast

On white

5.22

#555AE9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#555AE9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555AE9

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555AE9	#FFFFFF	#000000	##FFFFFF
##555AE9	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073EE

Deuteranopia (green-blind)

#0066E6

Tritanopia (blue-blind)

#007E99

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #555ae9;
/* rgb */ color: rgb(85, 90, 233);
/* oklch */ color: oklch(54.9% 0.211 275.4);

Tailwind

colors: {
  custom: {
    50: '#9489f1',
    500: '#555ae9',
    950: '#000000',
  },
}

SCSS

$custom: #555ae9;
$custom-light: #9489f1;
$custom-dark: #000000;

JSON

{
  "hex": "#555ae9",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 233
  },
  "hsl": {
    "h": 237.973,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.54946,
    "c": 0.21135,
    "h": 275.4
  },
  "luminance": 0.15127
}

Semantic roles & 50–950 ramp

primary

#555AE9

secondary

#E8E6B2

accent

#D20CD9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #555AE9

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

Preview Lab → · Contrast checker → · Palette generator →