#555AC0#555AC0

#555AC0 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.8% C 0.157 H 277.3°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#555AC0
RGB	rgb(85, 90, 192)
HSL	hsl(237, 46%, 54%)
HSV	hsv(237, 56%, 75%)
CMYK	cmyk(55.7%, 53.1%, 0%, 24.7%)
CIE-LAB	lab(42.84, 27.63, -54.37)
CIE-LCH	lch(42.84, 60.99, 296.94°)
OKLab	oklab(51.81% 0.02 -0.1555)
OKLCH	oklch(51.81% 0.157 277.3)
XYZ	xyz(16.9139, 13.0483, 51.4862)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555AC0 #C0BB55

analogous

#5590C0 #555AC0 #8655C0

triadic

#555AC0 #C0555A #5AC055

tetradic

#555AC0 #C05590 #C0BB55 #55C086

square

#555AC0 #C05590 #C0BB55 #55C086

split-complementary

#555AC0 #C08655 #90C055

monochromatic

#2A2D71 #3A3F9D #555AC0 #8285D1 #AEB1E1

Accessibility & contrast

On white

5.82

#555AC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#555AC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555AC0

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555AC0	#FFFFFF	#000000	##FFFFFF
##555AC0	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6AC4

Deuteranopia (green-blind)

#0461BE

Tritanopia (blue-blind)

#1D7184

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #555ac0;
/* rgb */ color: rgb(85, 90, 192);
/* oklch */ color: oklch(51.8% 0.157 277.3);

Tailwind

colors: {
  custom: {
    50: '#8d88d4',
    500: '#555ac0',
    950: '#000000',
  },
}

SCSS

$custom: #555ac0;
$custom-light: #8d88d4;
$custom-dark: #000000;

JSON

{
  "hex": "#555ac0",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 192
  },
  "hsl": {
    "h": 237.196,
    "s": 45.923,
    "l": 54.314
  },
  "oklch": {
    "l": 0.51808,
    "c": 0.15682,
    "h": 277.3
  },
  "luminance": 0.13049
}

Semantic roles & 50–950 ramp

primary

#555AC0

secondary

#CFCDA2

accent

#CF52D6

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #555AC0

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

Preview Lab → · Contrast checker → · Palette generator →