#555FCA#555FCA

#555FCA is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.5% C 0.164 H 275.4°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#555FCA
RGB	rgb(85, 95, 202)
HSL	hsl(235, 52%, 56%)
HSV	hsv(235, 58%, 79%)
CMYK	cmyk(57.9%, 53%, 0%, 20.8%)
CIE-LAB	lab(44.77, 27.80, -57.04)
CIE-LCH	lch(44.77, 63.45, 295.98°)
OKLab	oklab(53.47% 0.0153 -0.1633)
OKLCH	oklch(53.47% 0.164 275.4)
XYZ	xyz(18.4957, 14.3786, 57.6664)
Luminance	0.1438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FCA #CAC055

analogous

#559ACA #555FCA #8655CA

triadic

#555FCA #CA555F #5FCA55

tetradic

#555FCA #CA559A #CAC055 #55CA86

square

#555FCA #CA559A #CAC055 #55CA86

split-complementary

#555FCA #CA8655 #9ACA55

monochromatic

#272F7D #3640AC #555FCA #848BD9 #B2B7E7

Accessibility & contrast

On white

5.42

#555FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#555FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FCA

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FCA	#FFFFFF	#000000	##FFFFFF
##555FCA	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E6FCE

Deuteranopia (green-blind)

#0065C8

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #555fca;
/* rgb */ color: rgb(85, 95, 202);
/* oklch */ color: oklch(53.5% 0.164 275.4);

Tailwind

colors: {
  custom: {
    50: '#8f8cdb',
    500: '#555fca',
    950: '#000000',
  },
}

SCSS

$custom: #555fca;
$custom-light: #8f8cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#555fca",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 202
  },
  "hsl": {
    "h": 234.872,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.53472,
    "c": 0.16406,
    "h": 275.4
  },
  "luminance": 0.1438
}

Semantic roles & 50–950 ramp

primary

#555FCA

secondary

#D5D1A5

accent

#D04CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #555FCA

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

Preview Lab → · Contrast checker → · Palette generator →