#555BE8#555BE8

#555BE8 is a mid, highly saturated blue. Relative luminance 0.152; OKLCH L 55.0% C 0.209 H 275.3°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#555BE8
RGB	rgb(85, 91, 232)
HSL	hsl(238, 76%, 62%)
HSV	hsv(238, 63%, 91%)
CMYK	cmyk(63.4%, 60.8%, 0%, 9%)
CIE-LAB	lab(45.96, 40.16, -72.21)
CIE-LCH	lch(45.96, 82.63, 299.08°)
OKLab	oklab(55.04% 0.0192 -0.208)
OKLCH	oklch(55.04% 0.209 275.3)
XYZ	xyz(22.0481, 15.2378, 78.1076)
Luminance	0.1524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555BE8 #E8E255

analogous

#55A5E8 #555BE8 #9955E8

triadic

#555BE8 #E8555B #5BE855

tetradic

#555BE8 #E855A5 #E8E255 #55E899

square

#555BE8 #E855A5 #E8E255 #55E899

split-complementary

#555BE8 #E89955 #A5E855

monochromatic

#171DAB #1F27E1 #555BE8 #8B8FEF #C1C3F7

Accessibility & contrast

On white

5.19

#555BE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#555BE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555BE8

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555BE8	#FFFFFF	#000000	##FFFFFF
##555BE8	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073ED

Deuteranopia (green-blind)

#0066E5

Tritanopia (blue-blind)

#007E99

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #555be8;
/* rgb */ color: rgb(85, 91, 232);
/* oklch */ color: oklch(55.0% 0.209 275.3);

Tailwind

colors: {
  custom: {
    50: '#9489f0',
    500: '#555be8',
    950: '#000000',
  },
}

SCSS

$custom: #555be8;
$custom-light: #9489f0;
$custom-dark: #000000;

JSON

{
  "hex": "#555be8",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 232
  },
  "hsl": {
    "h": 237.551,
    "s": 76.166,
    "l": 62.157
  },
  "oklch": {
    "l": 0.55035,
    "c": 0.20889,
    "h": 275.3
  },
  "luminance": 0.1524
}

Semantic roles & 50–950 ramp

primary

#555BE8

secondary

#E7E5B1

accent

#D00DD8

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #555BE8

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

Preview Lab → · Contrast checker → · Palette generator →