#555CBD#555CBD

#555CBD is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.150 H 276.7°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#555CBD
RGB	rgb(85, 92, 189)
HSL	hsl(236, 44%, 54%)
HSV	hsv(236, 55%, 74%)
CMYK	cmyk(55%, 51.3%, 0%, 25.9%)
CIE-LAB	lab(43.15, 25.40, -52.12)
CIE-LCH	lch(43.15, 57.98, 295.98°)
OKLab	oklab(51.98% 0.0176 -0.1489)
OKLCH	oklch(51.98% 0.15 276.7)
XYZ	xyz(16.7558, 13.2586, 49.8105)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CBD #BDB655

analogous

#5590BD #555CBD #8255BD

triadic

#555CBD #BD555C #5CBD55

tetradic

#555CBD #BD5590 #BDB655 #55BD82

square

#555CBD #BD5590 #BDB655 #55BD82

split-complementary

#555CBD #BD8255 #90BD55

monochromatic

#2A2F6D #3C4299 #555CBD #8186CE #ADB1DF

Accessibility & contrast

On white

5.75

#555CBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#555CBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CBD

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CBD	#FFFFFF	#000000	##FFFFFF
##555CBD	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296AC0

Deuteranopia (green-blind)

#1962BB

Tritanopia (blue-blind)

#217284

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #555cbd;
/* rgb */ color: rgb(85, 92, 189);
/* oklch */ color: oklch(52.0% 0.150 276.7);

Tailwind

colors: {
  custom: {
    50: '#8d8ad1',
    500: '#555cbd',
    950: '#000000',
  },
}

SCSS

$custom: #555cbd;
$custom-light: #8d8ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#555cbd",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 189
  },
  "hsl": {
    "h": 235.962,
    "s": 44.068,
    "l": 53.725
  },
  "oklch": {
    "l": 0.51981,
    "c": 0.14994,
    "h": 276.7
  },
  "luminance": 0.1326
}

Semantic roles & 50–950 ramp

primary

#555CBD

secondary

#CDCAA1

accent

#CB54D4

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #555CBD

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

Preview Lab → · Contrast checker → · Palette generator →