#555CD4#555CD4

#555CD4 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.6% C 0.181 H 275.9°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#555CD4
RGB	rgb(85, 92, 212)
HSL	hsl(237, 60%, 58%)
HSV	hsv(237, 60%, 83%)
CMYK	cmyk(59.9%, 56.6%, 0%, 16.9%)
CIE-LAB	lab(44.71, 32.97, -62.87)
CIE-LCH	lch(44.71, 70.99, 297.67°)
OKLab	oklab(53.65% 0.0186 -0.1805)
OKLCH	oklch(53.65% 0.182 275.9)
XYZ	xyz(19.4533, 14.3376, 64.0169)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CD4 #D4CD55

analogous

#559BD4 #555CD4 #8D55D4

triadic

#555CD4 #D4555C #5CD455

tetradic

#555CD4 #D4559B #D4CD55 #55D48D

square

#555CD4 #D4559B #D4CD55 #55D48D

split-complementary

#555CD4 #D48D55 #9BD455

monochromatic

#23298B #3037BC #555CD4 #868BE0 #B7BAED

Accessibility & contrast

On white

5.43

#555CD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#555CD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CD4

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CD4	#FFFFFF	#000000	##FFFFFF
##555CD4	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD8

Deuteranopia (green-blind)

#0064D2

Tritanopia (blue-blind)

#00798F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555cd4;
/* rgb */ color: rgb(85, 92, 212);
/* oklch */ color: oklch(53.6% 0.181 275.9);

Tailwind

colors: {
  custom: {
    50: '#918ae2',
    500: '#555cd4',
    950: '#000000',
  },
}

SCSS

$custom: #555cd4;
$custom-light: #918ae2;
$custom-dark: #000000;

JSON

{
  "hex": "#555cd4",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 212
  },
  "hsl": {
    "h": 236.693,
    "s": 59.624,
    "l": 58.235
  },
  "oklch": {
    "l": 0.53648,
    "c": 0.1815,
    "h": 275.9
  },
  "luminance": 0.14339
}

Semantic roles & 50–950 ramp

primary

#555CD4

secondary

#DCD9A9

accent

#DA45E3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #555CD4

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

Preview Lab → · Contrast checker → · Palette generator →