#555DBE#555DBE

#555DBE is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.150 H 276.3°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#555DBE
RGB	rgb(85, 93, 190)
HSL	hsl(235, 45%, 54%)
HSV	hsv(235, 55%, 75%)
CMYK	cmyk(55.3%, 51.1%, 0%, 25.5%)
CIE-LAB	lab(43.47, 25.10, -52.18)
CIE-LCH	lch(43.47, 57.91, 295.69°)
OKLab	oklab(52.25% 0.0166 -0.1491)
OKLCH	oklch(52.25% 0.15 276.3)
XYZ	xyz(16.9520, 13.4766, 50.4132)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DBE #BEB655

analogous

#5592BE #555DBE #8255BE

triadic

#555DBE #BE555D #5DBE55

tetradic

#555DBE #BE5592 #BEB655 #55BE82

square

#555DBE #BE5592 #BEB655 #55BE82

split-complementary

#555DBE #BE8255 #92BE55

monochromatic

#2A2F6E #3B429B #555DBE #8187CF #AEB1E0

Accessibility & contrast

On white

5.68

#555DBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#555DBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DBE

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DBE	#FFFFFF	#000000	##FFFFFF
##555DBE	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A6BC1

Deuteranopia (green-blind)

#1A63BC

Tritanopia (blue-blind)

#1F7384

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #555dbe;
/* rgb */ color: rgb(85, 93, 190);
/* oklch */ color: oklch(52.2% 0.150 276.3);

Tailwind

colors: {
  custom: {
    50: '#8d8ad2',
    500: '#555dbe',
    950: '#000000',
  },
}

SCSS

$custom: #555dbe;
$custom-light: #8d8ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#555dbe",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 190
  },
  "hsl": {
    "h": 235.429,
    "s": 44.681,
    "l": 53.922
  },
  "oklch": {
    "l": 0.52245,
    "c": 0.15001,
    "h": 276.3
  },
  "luminance": 0.13478
}

Semantic roles & 50–950 ramp

primary

#555DBE

secondary

#CECAA1

accent

#CB53D4

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #555DBE

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

Preview Lab → · Contrast checker → · Palette generator →