#555DCD#555DCD

#555DCD is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.3% C 0.171 H 275.9°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#555DCD
RGB	rgb(85, 93, 205)
HSL	hsl(236, 55%, 57%)
HSV	hsv(236, 59%, 80%)
CMYK	cmyk(58.5%, 54.6%, 0%, 19.6%)
CIE-LAB	lab(44.47, 30.04, -59.25)
CIE-LCH	lch(44.47, 66.43, 296.88°)
OKLab	oklab(53.31% 0.0175 -0.1699)
OKLCH	oklch(53.31% 0.171 275.9)
XYZ	xyz(18.6765, 14.1664, 59.4960)
Luminance	0.1417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DCD #CDC555

analogous

#5599CD #555DCD #8955CD

triadic

#555DCD #CD555D #5DCD55

tetradic

#555DCD #CD5599 #CDC555 #55CD89

square

#555DCD #CD5599 #CDC555 #55CD89

split-complementary

#555DCD #CD8955 #99CD55

monochromatic

#262C82 #343CB1 #555DCD #848ADB #B4B7E9

Accessibility & contrast

On white

5.48

#555DCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#555DCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DCD

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DCD	#FFFFFF	#000000	##FFFFFF
##555DCD	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D6ED1

Deuteranopia (green-blind)

#0064CB

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #555dcd;
/* rgb */ color: rgb(85, 93, 205);
/* oklch */ color: oklch(53.3% 0.171 275.9);

Tailwind

colors: {
  custom: {
    50: '#8f8add',
    500: '#555dcd',
    950: '#000000',
  },
}

SCSS

$custom: #555dcd;
$custom-light: #8f8add;
$custom-dark: #000000;

JSON

{
  "hex": "#555dcd",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 205
  },
  "hsl": {
    "h": 236,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.53312,
    "c": 0.17077,
    "h": 275.9
  },
  "luminance": 0.14168
}

Semantic roles & 50–950 ramp

primary

#555DCD

secondary

#D7D4A6

accent

#D44ADE

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #555DCD

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

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