#555CC5#555CC5

#555CC5 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.5% C 0.161 H 276.5°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#555CC5
RGB	rgb(85, 92, 197)
HSL	hsl(236, 49%, 55%)
HSV	hsv(236, 57%, 77%)
CMYK	cmyk(56.9%, 53.3%, 0%, 22.7%)
CIE-LAB	lab(43.68, 28.02, -55.92)
CIE-LCH	lch(43.68, 62.55, 296.62°)
OKLab	oklab(52.54% 0.0181 -0.1601)
OKLCH	oklch(52.54% 0.161 276.5)
XYZ	xyz(17.6483, 13.6156, 54.5106)
Luminance	0.1362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CC5 #C5BE55

analogous

#5594C5 #555CC5 #8655C5

triadic

#555CC5 #C5555C #5CC555

tetradic

#555CC5 #C55594 #C5BE55 #55C586

square

#555CC5 #C55594 #C5BE55 #55C586

split-complementary

#555CC5 #C58655 #94C555

monochromatic

#292D77 #383FA5 #555CC5 #8388D5 #B0B4E4

Accessibility & contrast

On white

5.64

#555CC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#555CC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CC5

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CC5	#FFFFFF	#000000	##FFFFFF
##555CC5	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D6CC9

Deuteranopia (green-blind)

#0063C3

Tritanopia (blue-blind)

#127487

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #555cc5;
/* rgb */ color: rgb(85, 92, 197);
/* oklch */ color: oklch(52.5% 0.161 276.5);

Tailwind

colors: {
  custom: {
    50: '#8e8ad7',
    500: '#555cc5',
    950: '#000000',
  },
}

SCSS

$custom: #555cc5;
$custom-light: #8e8ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#555cc5",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 197
  },
  "hsl": {
    "h": 236.25,
    "s": 49.123,
    "l": 55.294
  },
  "oklch": {
    "l": 0.52545,
    "c": 0.1611,
    "h": 276.5
  },
  "luminance": 0.13617
}

Semantic roles & 50–950 ramp

primary

#555CC5

secondary

#D2CFA3

accent

#D04FD9

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #555CC5

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

Preview Lab → · Contrast checker → · Palette generator →