#555DCA#555DCA

#555DCA is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.1% C 0.167 H 276.0°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#555DCA
RGB	rgb(85, 93, 202)
HSL	hsl(236, 52%, 56%)
HSV	hsv(236, 58%, 79%)
CMYK	cmyk(57.9%, 54%, 0%, 20.8%)
CIE-LAB	lab(44.27, 29.05, -57.85)
CIE-LCH	lch(44.27, 64.73, 296.66°)
OKLab	oklab(53.09% 0.0174 -0.1658)
OKLCH	oklch(53.09% 0.167 276)
XYZ	xyz(18.3179, 14.0229, 57.6071)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DCA #CAC255

analogous

#5598CA #555DCA #8855CA

triadic

#555DCA #CA555D #5DCA55

tetradic

#555DCA #CA5598 #CAC255 #55CA88

square

#555DCA #CA5598 #CAC255 #55CA88

split-complementary

#555DCA #CA8855 #98CA55

monochromatic

#272D7D #363EAC #555DCA #8489D9 #B2B6E7

Accessibility & contrast

On white

5.52

#555DCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#555DCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DCA

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DCA	#FFFFFF	#000000	##FFFFFF
##555DCA	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166ECE

Deuteranopia (green-blind)

#0064C8

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #555dca;
/* rgb */ color: rgb(85, 93, 202);
/* oklch */ color: oklch(53.1% 0.167 276.0);

Tailwind

colors: {
  custom: {
    50: '#8f8adb',
    500: '#555dca',
    950: '#000000',
  },
}

SCSS

$custom: #555dca;
$custom-light: #8f8adb;
$custom-dark: #000000;

JSON

{
  "hex": "#555dca",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 202
  },
  "hsl": {
    "h": 235.897,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.53094,
    "c": 0.16667,
    "h": 276
  },
  "luminance": 0.14024
}

Semantic roles & 50–950 ramp

primary

#555DCA

secondary

#D5D2A5

accent

#D24CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #555DCA

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

Preview Lab → · Contrast checker → · Palette generator →