#555DCE#555DCE

#555DCE is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.4% C 0.172 H 275.8°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#555DCE
RGB	rgb(85, 93, 206)
HSL	hsl(236, 55%, 57%)
HSV	hsv(236, 59%, 81%)
CMYK	cmyk(58.7%, 54.9%, 0%, 19.2%)
CIE-LAB	lab(44.54, 30.37, -59.71)
CIE-LCH	lch(44.54, 66.99, 296.96°)
OKLab	oklab(53.39% 0.0175 -0.1712)
OKLCH	oklch(53.39% 0.172 275.8)
XYZ	xyz(18.7976, 14.2148, 60.1337)
Luminance	0.1422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DCE #CEC655

analogous

#559ACE #555DCE #8A55CE

triadic

#555DCE #CE555D #5DCE55

tetradic

#555DCE #CE559A #CEC655 #55CE8A

square

#555DCE #CE559A #CEC655 #55CE8A

split-complementary

#555DCE #CE8A55 #9ACE55

monochromatic

#262C83 #333CB2 #555DCE #858ADC #B4B8E9

Accessibility & contrast

On white

5.46

#555DCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#555DCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DCE

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DCE	#FFFFFF	#000000	##FFFFFF
##555DCE	1.00	5.46	3.84	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#096FD2

Deuteranopia (green-blind)

#0064CC

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #555dce;
/* rgb */ color: rgb(85, 93, 206);
/* oklch */ color: oklch(53.4% 0.172 275.8);

Tailwind

colors: {
  custom: {
    50: '#908ade',
    500: '#555dce',
    950: '#000000',
  },
}

SCSS

$custom: #555dce;
$custom-light: #908ade;
$custom-dark: #000000;

JSON

{
  "hex": "#555dce",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 206
  },
  "hsl": {
    "h": 236.033,
    "s": 55.251,
    "l": 57.059
  },
  "oklch": {
    "l": 0.53385,
    "c": 0.17212,
    "h": 275.8
  },
  "luminance": 0.14216
}

Semantic roles & 50–950 ramp

primary

#555DCE

secondary

#D8D5A7

accent

#D549DF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #555DCE

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

Preview Lab → · Contrast checker → · Palette generator →