#555AC3#555AC3

#555AC3 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.0% C 0.161 H 277.2°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#555AC3
RGB	rgb(85, 90, 195)
HSL	hsl(237, 48%, 55%)
HSV	hsv(237, 56%, 76%)
CMYK	cmyk(56.4%, 53.8%, 0%, 23.5%)
CIE-LAB	lab(43.04, 28.62, -55.79)
CIE-LCH	lch(43.04, 62.70, 297.15°)
OKLab	oklab(52.02% 0.0201 -0.1597)
OKLCH	oklch(52.02% 0.161 277.2)
XYZ	xyz(17.2497, 13.1826, 53.2547)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#555AC3 #C3BE55

analogous

#5591C3 #555AC3 #8755C3

triadic

#555AC3 #C3555A #5AC355

tetradic

#555AC3 #C35591 #C3BE55 #55C387

square

#555AC3 #C35591 #C3BE55 #55C387

split-complementary

#555AC3 #C38755 #91C355

monochromatic

#292D74 #393EA2 #555AC3 #8286D3 #AFB2E3

Accessibility & contrast

On white

5.77

#555AC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#555AC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #555AC3

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##555AC3	#FFFFFF	#000000	##FFFFFF
##555AC3	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#196AC7

Deuteranopia (green-blind)

#0061C1

Tritanopia (blue-blind)

#177286

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #555ac3;
/* rgb */ color: rgb(85, 90, 195);
/* oklch */ color: oklch(52.0% 0.161 277.2);

Tailwind

colors: {
  custom: {
    50: '#8e88d6',
    500: '#555ac3',
    950: '#000000',
  },
}

SCSS

$custom: #555ac3;
$custom-light: #8e88d6;
$custom-dark: #000000;

JSON

{
  "hex": "#555ac3",
  "rgb": {
    "r": 85,
    "g": 90,
    "b": 195
  },
  "hsl": {
    "h": 237.273,
    "s": 47.826,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52023,
    "c": 0.16098,
    "h": 277.2
  },
  "luminance": 0.13184
}

Semantic roles & 50–950 ramp

primary

#555AC3

secondary

#D1CFA3

accent

#D150D7

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #555AC3

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

Preview Lab → · Contrast checker → · Palette generator →