#555CD6#555CD6

#555CD6 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.8% C 0.184 H 275.8°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#555CD6
RGB	rgb(85, 92, 214)
HSL	hsl(237, 61%, 59%)
HSV	hsv(237, 60%, 84%)
CMYK	cmyk(60.3%, 57%, 0%, 16.1%)
CIE-LAB	lab(44.86, 33.63, -63.78)
CIE-LCH	lch(44.86, 72.10, 297.80°)
OKLab	oklab(53.8% 0.0187 -0.1832)
OKLCH	oklch(53.8% 0.184 275.8)
XYZ	xyz(19.7071, 14.4391, 65.3538)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CD6 #D6CF55

analogous

#559CD6 #555CD6 #8E55D6

triadic

#555CD6 #D6555C #5CD655

tetradic

#555CD6 #D6559C #D6CF55 #55D68E

square

#555CD6 #D6559C #D6CF55 #55D68E

split-complementary

#555CD6 #D68E55 #9CD655

monochromatic

#22288E #2E36C0 #555CD6 #868BE2 #B8BBEE

Accessibility & contrast

On white

5.40

#555CD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#555CD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CD6

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CD6	#FFFFFF	#000000	##FFFFFF
##555CD6	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DA

Deuteranopia (green-blind)

#0065D4

Tritanopia (blue-blind)

#007990

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555cd6;
/* rgb */ color: rgb(85, 92, 214);
/* oklch */ color: oklch(53.8% 0.184 275.8);

Tailwind

colors: {
  custom: {
    50: '#918ae3',
    500: '#555cd6',
    950: '#000000',
  },
}

SCSS

$custom: #555cd6;
$custom-light: #918ae3;
$custom-dark: #000000;

JSON

{
  "hex": "#555cd6",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 214
  },
  "hsl": {
    "h": 236.744,
    "s": 61.137,
    "l": 58.627
  },
  "oklch": {
    "l": 0.538,
    "c": 0.18417,
    "h": 275.8
  },
  "luminance": 0.14441
}

Semantic roles & 50–950 ramp

primary

#555CD6

secondary

#DDDAAA

accent

#DC44E4

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #555CD6

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

Preview Lab → · Contrast checker → · Palette generator →