#555CC7#555CC7

#555CC7 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.7% C 0.164 H 276.4°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#555CC7
RGB	rgb(85, 92, 199)
HSL	hsl(236, 50%, 56%)
HSV	hsv(236, 57%, 78%)
CMYK	cmyk(57.3%, 53.8%, 0%, 22%)
CIE-LAB	lab(43.81, 28.68, -56.86)
CIE-LCH	lch(43.81, 63.68, 296.77°)
OKLab	oklab(52.69% 0.0182 -0.1628)
OKLCH	oklch(52.69% 0.164 276.4)
XYZ	xyz(17.8789, 13.7078, 55.7255)
Luminance	0.1371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CC7 #C7C055

analogous

#5595C7 #555CC7 #8755C7

triadic

#555CC7 #C7555C #5CC755

tetradic

#555CC7 #C75595 #C7C055 #55C787

square

#555CC7 #C75595 #C7C055 #55C787

split-complementary

#555CC7 #C78755 #95C755

monochromatic

#282D7A #373EA8 #555CC7 #8388D6 #B1B4E5

Accessibility & contrast

On white

5.61

#555CC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#555CC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CC7

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CC7	#FFFFFF	#000000	##FFFFFF
##555CC7	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#196CCB

Deuteranopia (green-blind)

#0063C5

Tritanopia (blue-blind)

#0C7588

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #555cc7;
/* rgb */ color: rgb(85, 92, 199);
/* oklch */ color: oklch(52.7% 0.164 276.4);

Tailwind

colors: {
  custom: {
    50: '#8e8ad9',
    500: '#555cc7',
    950: '#000000',
  },
}

SCSS

$custom: #555cc7;
$custom-light: #8e8ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#555cc7",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 199
  },
  "hsl": {
    "h": 236.316,
    "s": 50.442,
    "l": 55.686
  },
  "oklch": {
    "l": 0.52688,
    "c": 0.16386,
    "h": 276.4
  },
  "luminance": 0.13709
}

Semantic roles & 50–950 ramp

primary

#555CC7

secondary

#D4D1A4

accent

#D14EDA

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #555CC7

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

Preview Lab → · Contrast checker → · Palette generator →