#555DBD#555DBD

#555DBD is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.149 H 276.4°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#555DBD
RGB	rgb(85, 93, 189)
HSL	hsl(235, 44%, 54%)
HSV	hsv(235, 55%, 74%)
CMYK	cmyk(55%, 50.8%, 0%, 25.9%)
CIE-LAB	lab(43.41, 24.77, -51.71)
CIE-LCH	lch(43.41, 57.33, 295.60°)
OKLab	oklab(52.18% 0.0165 -0.1477)
OKLCH	oklch(52.18% 0.149 276.4)
XYZ	xyz(16.8430, 13.4330, 49.8395)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DBD #BDB555

analogous

#5591BD #555DBD #8155BD

triadic

#555DBD #BD555D #5DBD55

tetradic

#555DBD #BD5591 #BDB555 #55BD81

square

#555DBD #BD5591 #BDB555 #55BD81

split-complementary

#555DBD #BD8155 #91BD55

monochromatic

#2A306D #3C4399 #555DBD #8187CE #ADB1DF

Accessibility & contrast

On white

5.70

#555DBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#555DBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DBD

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DBD	#FFFFFF	#000000	##FFFFFF
##555DBD	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C6BC0

Deuteranopia (green-blind)

#1C62BB

Tritanopia (blue-blind)

#207384

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #555dbd;
/* rgb */ color: rgb(85, 93, 189);
/* oklch */ color: oklch(52.2% 0.149 276.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#555dbd",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 189
  },
  "hsl": {
    "h": 235.385,
    "s": 44.068,
    "l": 53.725
  },
  "oklch": {
    "l": 0.52176,
    "c": 0.1486,
    "h": 276.4
  },
  "luminance": 0.13434
}

Semantic roles & 50–950 ramp

primary

#555DBD

secondary

#CDCAA1

accent

#CA54D4

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #555DBD

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

Preview Lab → · Contrast checker → · Palette generator →