#555EBC#555EBC

#555EBC is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.3% C 0.146 H 276.0°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#555EBC
RGB	rgb(85, 94, 188)
HSL	hsl(235, 43%, 54%)
HSV	hsv(235, 55%, 74%)
CMYK	cmyk(54.8%, 50%, 0%, 26.3%)
CIE-LAB	lab(43.60, 23.82, -50.81)
CIE-LCH	lch(43.60, 56.11, 295.11°)
OKLab	oklab(52.3% 0.0153 -0.145)
OKLCH	oklch(52.3% 0.146 276)
XYZ	xyz(16.8232, 13.5664, 49.2993)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555EBC #BCB355

analogous

#5591BC #555EBC #7F55BC

triadic

#555EBC #BC555E #5EBC55

tetradic

#555EBC #BC5591 #BCB355 #55BC7F

square

#555EBC #BC5591 #BCB355 #55BC7F

split-complementary

#555EBC #BC7F55 #91BC55

monochromatic

#2B306C #3C4498 #555EBC #8188CD #ADB1DF

Accessibility & contrast

On white

5.65

#555EBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#555EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555EBC

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555EBC	#FFFFFF	#000000	##FFFFFF
##555EBC	1.00	5.65	3.71	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F6BBF

Deuteranopia (green-blind)

#2163BA

Tritanopia (blue-blind)

#217384

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #555ebc;
/* rgb */ color: rgb(85, 94, 188);
/* oklch */ color: oklch(52.3% 0.146 276.0);

Tailwind

colors: {
  custom: {
    50: '#8d8bd1',
    500: '#555ebc',
    950: '#000000',
  },
}

SCSS

$custom: #555ebc;
$custom-light: #8d8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#555ebc",
  "rgb": {
    "r": 85,
    "g": 94,
    "b": 188
  },
  "hsl": {
    "h": 234.757,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.52303,
    "c": 0.14583,
    "h": 276
  },
  "luminance": 0.13568
}

Semantic roles & 50–950 ramp

primary

#555EBC

secondary

#CCC9A0

accent

#C855D3

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #555EBC

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

Preview Lab → · Contrast checker → · Palette generator →