#555FE1#555FE1

#555FE1 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 55.2% C 0.195 H 274.7°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#555FE1
RGB	rgb(85, 95, 225)
HSL	hsl(236, 70%, 61%)
HSV	hsv(236, 62%, 88%)
CMYK	cmyk(62.2%, 57.8%, 0%, 11.8%)
CIE-LAB	lab(46.38, 35.42, -67.57)
CIE-LCH	lch(46.38, 76.29, 297.66°)
OKLab	oklab(55.18% 0.016 -0.1943)
OKLCH	oklch(55.18% 0.195 274.7)
XYZ	xyz(21.4247, 15.5502, 73.0920)
Luminance	0.1555 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FE1 #E1D755

analogous

#55A5E1 #555FE1 #9155E1

triadic

#555FE1 #E1555F #5FE155

tetradic

#555FE1 #E155A5 #E1D755 #55E191

square

#555FE1 #E155A5 #E1D755 #55E191

split-complementary

#555FE1 #E19155 #A5E155

monochromatic

#1C269F #2532D3 #555FE1 #8990EA #BDC1F3

Accessibility & contrast

On white

5.11

#555FE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#555FE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FE1

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FE1	#FFFFFF	#000000	##FFFFFF
##555FE1	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E5

Deuteranopia (green-blind)

#0068DE

Tritanopia (blue-blind)

#007F97

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #555fe1;
/* rgb */ color: rgb(85, 95, 225);
/* oklch */ color: oklch(55.2% 0.195 274.7);

Tailwind

colors: {
  custom: {
    50: '#938ceb',
    500: '#555fe1',
    950: '#000000',
  },
}

SCSS

$custom: #555fe1;
$custom-light: #938ceb;
$custom-dark: #000000;

JSON

{
  "hex": "#555fe1",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 225
  },
  "hsl": {
    "h": 235.714,
    "s": 70,
    "l": 60.784
  },
  "oklch": {
    "l": 0.55181,
    "c": 0.19499,
    "h": 274.7
  },
  "luminance": 0.15552
}

Semantic roles & 50–950 ramp

primary

#555FE1

secondary

#E3E0AE

accent

#C414D2

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555FE1

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

Preview Lab → · Contrast checker → · Palette generator →