#555DBF#555DBF

#555DBF is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.3% C 0.151 H 276.3°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#555DBF
RGB	rgb(85, 93, 191)
HSL	hsl(235, 45%, 54%)
HSV	hsv(235, 55%, 75%)
CMYK	cmyk(55.5%, 51.3%, 0%, 25.1%)
CIE-LAB	lab(43.54, 25.43, -52.66)
CIE-LCH	lch(43.54, 58.48, 295.77°)
OKLab	oklab(52.31% 0.0167 -0.1505)
OKLCH	oklch(52.31% 0.151 276.3)
XYZ	xyz(17.0616, 13.5204, 50.9908)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DBF #BFB755

analogous

#5592BF #555DBF #8255BF

triadic

#555DBF #BF555D #5DBF55

tetradic

#555DBF #BF5592 #BFB755 #55BF82

square

#555DBF #BF5592 #BFB755 #55BF82

split-complementary

#555DBF #BF8255 #92BF55

monochromatic

#2A2F70 #3B429C #555DBF #8187D0 #AEB2E0

Accessibility & contrast

On white

5.67

#555DBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#555DBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DBF

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DBF	#FFFFFF	#000000	##FFFFFF
##555DBF	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296BC2

Deuteranopia (green-blind)

#1763BD

Tritanopia (blue-blind)

#1D7385

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #555dbf;
/* rgb */ color: rgb(85, 93, 191);
/* oklch */ color: oklch(52.3% 0.151 276.3);

Tailwind

colors: {
  custom: {
    50: '#8d8ad3',
    500: '#555dbf',
    950: '#000000',
  },
}

SCSS

$custom: #555dbf;
$custom-light: #8d8ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#555dbf",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 191
  },
  "hsl": {
    "h": 235.472,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52314,
    "c": 0.15141,
    "h": 276.3
  },
  "luminance": 0.13522
}

Semantic roles & 50–950 ramp

primary

#555DBF

secondary

#CECBA1

accent

#CB53D5

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #555DBF

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

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