#555FE0#555FE0

#555FE0 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 55.1% C 0.194 H 274.7°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#555FE0
RGB	rgb(85, 95, 224)
HSL	hsl(236, 69%, 61%)
HSV	hsv(236, 62%, 88%)
CMYK	cmyk(62.1%, 57.6%, 0%, 12.2%)
CIE-LAB	lab(46.31, 35.09, -67.12)
CIE-LCH	lch(46.31, 75.74, 297.60°)
OKLab	oklab(55.1% 0.016 -0.193)
OKLCH	oklch(55.1% 0.194 274.7)
XYZ	xyz(21.2886, 15.4958, 72.3757)
Luminance	0.1550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FE0 #E0D655

analogous

#55A5E0 #555FE0 #9055E0

triadic

#555FE0 #E0555F #5FE055

tetradic

#555FE0 #E055A5 #E0D655 #55E090

square

#555FE0 #E055A5 #E0D655 #55E090

split-complementary

#555FE0 #E09055 #A5E055

monochromatic

#1D269E #2633D2 #555FE0 #8990E9 #BDC0F3

Accessibility & contrast

On white

5.12

#555FE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#555FE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FE0

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FE0	#FFFFFF	#000000	##FFFFFF
##555FE0	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E4

Deuteranopia (green-blind)

#0068DD

Tritanopia (blue-blind)

#007E96

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #555fe0;
/* rgb */ color: rgb(85, 95, 224);
/* oklch */ color: oklch(55.1% 0.194 274.7);

Tailwind

colors: {
  custom: {
    50: '#928ceb',
    500: '#555fe0',
    950: '#000000',
  },
}

SCSS

$custom: #555fe0;
$custom-light: #928ceb;
$custom-dark: #000000;

JSON

{
  "hex": "#555fe0",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 224
  },
  "hsl": {
    "h": 235.683,
    "s": 69.154,
    "l": 60.588
  },
  "oklch": {
    "l": 0.55104,
    "c": 0.19367,
    "h": 274.7
  },
  "luminance": 0.15498
}

Semantic roles & 50–950 ramp

primary

#555FE0

secondary

#E3DFAE

accent

#C414D1

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #555FE0

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

Preview Lab → · Contrast checker → · Palette generator →