#555FC4#555FC4

#555FC4 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.0% C 0.156 H 275.5°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#555FC4
RGB	rgb(85, 95, 196)
HSL	hsl(235, 48%, 55%)
HSV	hsv(235, 57%, 77%)
CMYK	cmyk(56.6%, 51.5%, 0%, 23.1%)
CIE-LAB	lab(44.38, 25.82, -54.21)
CIE-LCH	lch(44.38, 60.04, 295.47°)
OKLab	oklab(53.05% 0.0149 -0.155)
OKLCH	oklch(53.05% 0.156 275.5)
XYZ	xyz(17.7991, 14.1000, 53.9975)
Luminance	0.1410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FC4 #C4BA55

analogous

#5596C4 #555FC4 #8355C4

triadic

#555FC4 #C4555F #5FC455

tetradic

#555FC4 #C45596 #C4BA55 #55C483

square

#555FC4 #C45596 #C4BA55 #55C483

split-complementary

#555FC4 #C48355 #96C455

monochromatic

#293076 #3942A3 #555FC4 #828AD4 #B0B5E4

Accessibility & contrast

On white

5.50

#555FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#555FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FC4

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FC4	#FFFFFF	#000000	##FFFFFF
##555FC4	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286EC8

Deuteranopia (green-blind)

#1264C2

Tritanopia (blue-blind)

#137688

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #555fc4;
/* rgb */ color: rgb(85, 95, 196);
/* oklch */ color: oklch(53.0% 0.156 275.5);

Tailwind

colors: {
  custom: {
    50: '#8e8cd6',
    500: '#555fc4',
    950: '#000000',
  },
}

SCSS

$custom: #555fc4;
$custom-light: #8e8cd6;
$custom-dark: #000000;

JSON

{
  "hex": "#555fc4",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 196
  },
  "hsl": {
    "h": 234.595,
    "s": 48.472,
    "l": 55.098
  },
  "oklch": {
    "l": 0.53049,
    "c": 0.15575,
    "h": 275.5
  },
  "luminance": 0.14101
}

Semantic roles & 50–950 ramp

primary

#555FC4

secondary

#D2CDA3

accent

#CC50D8

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C14

muted

#7E7D83

Preview Lab

Preview with #555FC4

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

Preview Lab → · Contrast checker → · Palette generator →