#555CC1#555CC1

#555CC1 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.3% C 0.156 H 276.6°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#555CC1
RGB	rgb(85, 92, 193)
HSL	hsl(236, 47%, 55%)
HSV	hsv(236, 56%, 76%)
CMYK	cmyk(56%, 52.3%, 0%, 24.3%)
CIE-LAB	lab(43.41, 26.71, -54.03)
CIE-LCH	lch(43.41, 60.27, 296.31°)
OKLab	oklab(52.26% 0.0179 -0.1545)
OKLCH	oklch(52.26% 0.156 276.6)
XYZ	xyz(17.1960, 13.4347, 52.1287)
Luminance	0.1344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555CC1 #C1BA55

analogous

#5592C1 #555CC1 #8455C1

triadic

#555CC1 #C1555C #5CC155

tetradic

#555CC1 #C15592 #C1BA55 #55C184

square

#555CC1 #C15592 #C1BA55 #55C184

split-complementary

#555CC1 #C18455 #92C155

monochromatic

#2A2E72 #3A409F #555CC1 #8287D1 #AFB2E2

Accessibility & contrast

On white

5.70

#555CC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#555CC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555CC1

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555CC1	#FFFFFF	#000000	##FFFFFF
##555CC1	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#246BC5

Deuteranopia (green-blind)

#0D62BF

Tritanopia (blue-blind)

#1A7386

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #555cc1;
/* rgb */ color: rgb(85, 92, 193);
/* oklch */ color: oklch(52.3% 0.156 276.6);

Tailwind

colors: {
  custom: {
    50: '#8e8ad4',
    500: '#555cc1',
    950: '#000000',
  },
}

SCSS

$custom: #555cc1;
$custom-light: #8e8ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#555cc1",
  "rgb": {
    "r": 85,
    "g": 92,
    "b": 193
  },
  "hsl": {
    "h": 236.111,
    "s": 46.552,
    "l": 54.51
  },
  "oklch": {
    "l": 0.52261,
    "c": 0.15555,
    "h": 276.6
  },
  "luminance": 0.13436
}

Semantic roles & 50–950 ramp

primary

#555CC1

secondary

#D0CDA2

accent

#CE52D6

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #555CC1

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

Preview Lab → · Contrast checker → · Palette generator →