#555BCA#555BCA

#555BCA is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.7% C 0.169 H 276.6°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#555BCA
RGB	rgb(85, 91, 202)
HSL	hsl(237, 52%, 56%)
HSV	hsv(237, 58%, 79%)
CMYK	cmyk(57.9%, 55%, 0%, 20.8%)
CIE-LAB	lab(43.77, 30.29, -58.66)
CIE-LCH	lch(43.77, 66.02, 297.31°)
OKLab	oklab(52.72% 0.0194 -0.1682)
OKLCH	oklch(52.72% 0.169 276.6)
XYZ	xyz(18.1446, 13.6764, 57.5493)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555BCA #CAC455

analogous

#5596CA #555BCA #8A55CA

triadic

#555BCA #CA555B #5BCA55

tetradic

#555BCA #CA5596 #CAC455 #55CA8A

square

#555BCA #CA5596 #CAC455 #55CA8A

split-complementary

#555BCA #CA8A55 #96CA55

monochromatic

#272C7D #363CAC #555BCA #8488D9 #B2B5E7

Accessibility & contrast

On white

5.62

#555BCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#555BCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555BCA

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555BCA	#FFFFFF	#000000	##FFFFFF
##555BCA	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A6CCE

Deuteranopia (green-blind)

#0063C8

Tritanopia (blue-blind)

#01758A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #555bca;
/* rgb */ color: rgb(85, 91, 202);
/* oklch */ color: oklch(52.7% 0.169 276.6);

Tailwind

colors: {
  custom: {
    50: '#8f89db',
    500: '#555bca',
    950: '#000000',
  },
}

SCSS

$custom: #555bca;
$custom-light: #8f89db;
$custom-dark: #000000;

JSON

{
  "hex": "#555bca",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 202
  },
  "hsl": {
    "h": 236.923,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.52719,
    "c": 0.16927,
    "h": 276.6
  },
  "luminance": 0.13678
}

Semantic roles & 50–950 ramp

primary

#555BCA

secondary

#D5D3A5

accent

#D54CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #555BCA

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

Preview Lab → · Contrast checker → · Palette generator →