#555DC5#555DC5

#555DC5 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.7% C 0.160 H 276.1°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#555DC5
RGB	rgb(85, 93, 197)
HSL	hsl(236, 49%, 55%)
HSV	hsv(236, 57%, 77%)
CMYK	cmyk(56.9%, 52.8%, 0%, 22.7%)
CIE-LAB	lab(43.93, 27.40, -55.51)
CIE-LCH	lch(43.93, 61.90, 296.27°)
OKLab	oklab(52.74% 0.0171 -0.1589)
OKLCH	oklch(52.74% 0.16 276.1)
XYZ	xyz(17.7355, 13.7900, 54.5396)
Luminance	0.1379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555DC5 #C5BD55

analogous

#5595C5 #555DC5 #8555C5

triadic

#555DC5 #C5555D #5DC555

tetradic

#555DC5 #C55595 #C5BD55 #55C585

square

#555DC5 #C55595 #C5BD55 #55C585

split-complementary

#555DC5 #C58555 #95C555

monochromatic

#292E77 #3840A5 #555DC5 #8388D5 #B0B4E4

Accessibility & contrast

On white

5.59

#555DC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#555DC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555DC5

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555DC5	#FFFFFF	#000000	##FFFFFF
##555DC5	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#206DC9

Deuteranopia (green-blind)

#0163C3

Tritanopia (blue-blind)

#127588

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #555dc5;
/* rgb */ color: rgb(85, 93, 197);
/* oklch */ color: oklch(52.7% 0.160 276.1);

Tailwind

colors: {
  custom: {
    50: '#8e8ad7',
    500: '#555dc5',
    950: '#000000',
  },
}

SCSS

$custom: #555dc5;
$custom-light: #8e8ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#555dc5",
  "rgb": {
    "r": 85,
    "g": 93,
    "b": 197
  },
  "hsl": {
    "h": 235.714,
    "s": 49.123,
    "l": 55.294
  },
  "oklch": {
    "l": 0.52735,
    "c": 0.15978,
    "h": 276.1
  },
  "luminance": 0.13791
}

Semantic roles & 50–950 ramp

primary

#555DC5

secondary

#D2CFA3

accent

#CF4FD9

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #555DC5

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

Preview Lab → · Contrast checker → · Palette generator →