#555CD2#555CD2

#555CD2 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.5% C 0.179 H 276.0°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#555CD2
RGB	rgb(85, 92, 210)
HSL	hsl(237, 58%, 58%)
HSV	hsv(237, 60%, 82%)
CMYK	cmyk(59.5%, 56.2%, 0%, 17.6%)
CIE-LAB	lab(44.57, 32.31, -61.96)
CIE-LCH	lch(44.57, 69.87, 297.54°)
OKLab	oklab(53.5% 0.0186 -0.1778)
OKLCH	oklch(53.5% 0.179 276)
XYZ	xyz(19.2025, 14.2373, 62.6964)
Luminance	0.1424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CD2 #D2CB55

analogous

#559AD2 #555CD2 #8C55D2

triadic

#555CD2 #D2555C #5CD255

tetradic

#555CD2 #D2559A #D2CB55 #55D28C

square

#555CD2 #D2559A #D2CB55 #55D28C

split-complementary

#555CD2 #D28C55 #9AD255

monochromatic

#242A88 #3139B9 #555CD2 #858ADF #B6B9EC

Accessibility & contrast

On white

5.46

#555CD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#555CD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CD2

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CD2	#FFFFFF	#000000	##FFFFFF
##555CD2	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD6

Deuteranopia (green-blind)

#0064D0

Tritanopia (blue-blind)

#00788E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #555cd2;
/* rgb */ color: rgb(85, 92, 210);
/* oklch */ color: oklch(53.5% 0.179 276.0);

Tailwind

colors: {
  custom: {
    50: '#908ae1',
    500: '#555cd2',
    950: '#000000',
  },
}

SCSS

$custom: #555cd2;
$custom-light: #908ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#555cd2",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 210
  },
  "hsl": {
    "h": 236.64,
    "s": 58.14,
    "l": 57.843
  },
  "oklch": {
    "l": 0.53498,
    "c": 0.17881,
    "h": 276
  },
  "luminance": 0.14239
}

Semantic roles & 50–950 ramp

primary

#555CD2

secondary

#DAD8A8

accent

#D946E1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #555CD2

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

Preview Lab → · Contrast checker → · Palette generator →