#555FC7#555FC7

#555FC7 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.3% C 0.160 H 275.4°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#555FC7
RGB	rgb(85, 95, 199)
HSL	hsl(235, 50%, 56%)
HSV	hsv(235, 57%, 78%)
CMYK	cmyk(57.3%, 52.3%, 0%, 22%)
CIE-LAB	lab(44.57, 26.81, -55.63)
CIE-LCH	lch(44.57, 61.75, 295.73°)
OKLab	oklab(53.26% 0.0151 -0.1592)
OKLCH	oklch(53.26% 0.16 275.4)
XYZ	xyz(18.1440, 14.2379, 55.8138)
Luminance	0.1424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555FC7 #C7BD55

analogous

#5598C7 #555FC7 #8455C7

triadic

#555FC7 #C7555F #5FC755

tetradic

#555FC7 #C75598 #C7BD55 #55C784

square

#555FC7 #C75598 #C7BD55 #55C784

split-complementary

#555FC7 #C78455 #98C755

monochromatic

#282F7A #3741A8 #555FC7 #838AD6 #B1B6E5

Accessibility & contrast

On white

5.46

#555FC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#555FC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555FC7

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555FC7	#FFFFFF	#000000	##FFFFFF
##555FC7	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#246ECB

Deuteranopia (green-blind)

#0565C5

Tritanopia (blue-blind)

#0A778A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #555fc7;
/* rgb */ color: rgb(85, 95, 199);
/* oklch */ color: oklch(53.3% 0.160 275.4);

Tailwind

colors: {
  custom: {
    50: '#8e8cd9',
    500: '#555fc7',
    950: '#000000',
  },
}

SCSS

$custom: #555fc7;
$custom-light: #8e8cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#555fc7",
  "rgb": {
    "r": 85,
    "g": 95,
    "b": 199
  },
  "hsl": {
    "h": 234.737,
    "s": 50.442,
    "l": 55.686
  },
  "oklch": {
    "l": 0.53259,
    "c": 0.15992,
    "h": 275.4
  },
  "luminance": 0.14239
}

Semantic roles & 50–950 ramp

primary

#555FC7

secondary

#D4CFA4

accent

#CE4EDA

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #555FC7

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

Preview Lab → · Contrast checker → · Palette generator →