#555BDA#555BDA

#555BDA is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.9% C 0.191 H 275.9°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#555BDA
RGB	rgb(85, 91, 218)
HSL	hsl(237, 64%, 59%)
HSV	hsv(237, 61%, 85%)
CMYK	cmyk(61%, 58.3%, 0%, 14.5%)
CIE-LAB	lab(44.90, 35.56, -65.99)
CIE-LCH	lch(44.90, 74.96, 298.32°)
OKLab	oklab(53.93% 0.0196 -0.1897)
OKLCH	oklch(53.93% 0.191 275.9)
XYZ	xyz(20.1382, 14.4738, 68.0486)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555BDA #DAD455

analogous

#559EDA #555BDA #9255DA

triadic

#555BDA #DA555B #5BDA55

tetradic

#555BDA #DA559E #DAD455 #55DA92

square

#555BDA #DA559E #DAD455 #55DA92

split-complementary

#555BDA #DA9255 #9EDA55

monochromatic

#202694 #2B32C7 #555BDA #878BE5 #BABCF0

Accessibility & contrast

On white

5.39

#555BDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#555BDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555BDA

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555BDA	#FFFFFF	#000000	##FFFFFF
##555BDA	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DE

Deuteranopia (green-blind)

#0065D7

Tritanopia (blue-blind)

#007A92

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555bda;
/* rgb */ color: rgb(85, 91, 218);
/* oklch */ color: oklch(53.9% 0.191 275.9);

Tailwind

colors: {
  custom: {
    50: '#9289e6',
    500: '#555bda',
    950: '#000000',
  },
}

SCSS

$custom: #555bda;
$custom-light: #9289e6;
$custom-dark: #000000;

JSON

{
  "hex": "#555bda",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 218
  },
  "hsl": {
    "h": 237.293,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.53927,
    "c": 0.19072,
    "h": 275.9
  },
  "luminance": 0.14475
}

Semantic roles & 50–950 ramp

primary

#555BDA

secondary

#DFDDAB

accent

#E041E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #555BDA

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

Preview Lab → · Contrast checker → · Palette generator →