#555BC2#555BC2

#555BC2 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.1% C 0.158 H 276.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#555BC2
RGB	rgb(85, 91, 194)
HSL	hsl(237, 47%, 55%)
HSV	hsv(237, 56%, 76%)
CMYK	cmyk(56.2%, 53.1%, 0%, 23.9%)
CIE-LAB	lab(43.22, 27.66, -54.91)
CIE-LCH	lch(43.22, 61.49, 296.74°)
OKLab	oklab(52.14% 0.019 -0.1571)
OKLCH	oklch(52.14% 0.158 276.9)
XYZ	xyz(17.2219, 13.3073, 52.6895)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555BC2 #C2BC55

analogous

#5592C2 #555BC2 #8555C2

triadic

#555BC2 #C2555B #5BC255

tetradic

#555BC2 #C25592 #C2BC55 #55C285

square

#555BC2 #C25592 #C2BC55 #55C285

split-complementary

#555BC2 #C28555 #92C255

monochromatic

#292D73 #3A3FA0 #555BC2 #8286D2 #AFB2E2

Accessibility & contrast

On white

5.73

#555BC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#555BC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555BC2

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555BC2	#FFFFFF	#000000	##FFFFFF
##555BC2	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6BC6

Deuteranopia (green-blind)

#0162C0

Tritanopia (blue-blind)

#197386

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #555bc2;
/* rgb */ color: rgb(85, 91, 194);
/* oklch */ color: oklch(52.1% 0.158 276.9);

Tailwind

colors: {
  custom: {
    50: '#8e89d5',
    500: '#555bc2',
    950: '#000000',
  },
}

SCSS

$custom: #555bc2;
$custom-light: #8e89d5;
$custom-dark: #000000;

JSON

{
  "hex": "#555bc2",
  "rgb": {
    "r": 85,
    "g": 91,
    "b": 194
  },
  "hsl": {
    "h": 236.697,
    "s": 47.186,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52141,
    "c": 0.15826,
    "h": 276.9
  },
  "luminance": 0.13309
}

Semantic roles & 50–950 ramp

primary

#555BC2

secondary

#D0CEA2

accent

#CF51D7

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #555BC2

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

Preview Lab → · Contrast checker → · Palette generator →