#555FC3#555FC3

#555FC3 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.0% C 0.154 H 275.5°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#555FC3
RGB	rgb(85, 95, 195)
HSL	hsl(235, 48%, 55%)
HSV	hsv(235, 56%, 76%)
CMYK	cmyk(56.4%, 51.3%, 0%, 23.5%)
CIE-LAB	lab(44.31, 25.49, -53.74)
CIE-LCH	lch(44.31, 59.48, 295.38°)
OKLab	oklab(52.98% 0.0148 -0.1536)
OKLCH	oklch(52.98% 0.154 275.5)
XYZ	xyz(17.6857, 14.0546, 53.4000)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FC3 #C3B955

analogous

#5596C3 #555FC3 #8255C3

triadic

#555FC3 #C3555F #5FC355

tetradic

#555FC3 #C35596 #C3B955 #55C382

square

#555FC3 #C35596 #C3B955 #55C382

split-complementary

#555FC3 #C38255 #96C355

monochromatic

#293074 #3943A2 #555FC3 #828AD3 #AFB4E3

Accessibility & contrast

On white

5.51

#555FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#555FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FC3

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FC3	#FFFFFF	#000000	##FFFFFF
##555FC3	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296EC7

Deuteranopia (green-blind)

#1564C1

Tritanopia (blue-blind)

#157688

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #555fc3;
/* rgb */ color: rgb(85, 95, 195);
/* oklch */ color: oklch(53.0% 0.154 275.5);

Tailwind

colors: {
  custom: {
    50: '#8e8cd6',
    500: '#555fc3',
    950: '#000000',
  },
}

SCSS

$custom: #555fc3;
$custom-light: #8e8cd6;
$custom-dark: #000000;

JSON

{
  "hex": "#555fc3",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 195
  },
  "hsl": {
    "h": 234.545,
    "s": 47.826,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52979,
    "c": 0.15434,
    "h": 275.5
  },
  "luminance": 0.14056
}

Semantic roles & 50–950 ramp

primary

#555FC3

secondary

#D1CDA3

accent

#CB50D7

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #555FC3

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

Preview Lab → · Contrast checker → · Palette generator →