#555FE4#555FE4

#555FE4 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 55.4% C 0.199 H 274.6°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#555FE4
RGB	rgb(85, 95, 228)
HSL	hsl(236, 73%, 61%)
HSV	hsv(236, 63%, 89%)
CMYK	cmyk(62.7%, 58.3%, 0%, 10.6%)
CIE-LAB	lab(46.60, 36.42, -68.91)
CIE-LCH	lch(46.60, 77.94, 297.85°)
OKLab	oklab(55.41% 0.016 -0.1983)
OKLCH	oklch(55.41% 0.199 274.6)
XYZ	xyz(21.8375, 15.7153, 75.2663)
Luminance	0.1572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FE4 #E4DA55

analogous

#55A7E4 #555FE4 #9355E4

triadic

#555FE4 #E4555F #5FE455

tetradic

#555FE4 #E455A7 #E4DA55 #55E493

square

#555FE4 #E455A7 #E4DA55 #55E493

split-complementary

#555FE4 #E49355 #A7E455

monochromatic

#1A24A4 #232FD9 #555FE4 #8A91EC #BFC2F5

Accessibility & contrast

On white

5.07

#555FE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#555FE4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FE4

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FE4	#FFFFFF	#000000	##FFFFFF
##555FE4	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E8

Deuteranopia (green-blind)

#0068E1

Tritanopia (blue-blind)

#007F98

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #555fe4;
/* rgb */ color: rgb(85, 95, 228);
/* oklch */ color: oklch(55.4% 0.199 274.6);

Tailwind

colors: {
  custom: {
    50: '#938ced',
    500: '#555fe4',
    950: '#000000',
  },
}

SCSS

$custom: #555fe4;
$custom-light: #938ced;
$custom-dark: #000000;

JSON

{
  "hex": "#555fe4",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 228
  },
  "hsl": {
    "h": 235.804,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.55414,
    "c": 0.19891,
    "h": 274.6
  },
  "luminance": 0.15717
}

Semantic roles & 50–950 ramp

primary

#555FE4

secondary

#E5E1B0

accent

#C711D5

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555FE4

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

Preview Lab → · Contrast checker → · Palette generator →