#505BCC#505BCC

#505BCC is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.5% C 0.173 H 274.6°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#505BCC
RGB	rgb(80, 91, 204)
HSL	hsl(235, 55%, 56%)
HSV	hsv(235, 61%, 80%)
CMYK	cmyk(60.8%, 55.4%, 0%, 20%)
CIE-LAB	lab(43.57, 30.05, -60.14)
CIE-LCH	lch(43.57, 67.23, 296.55°)
OKLab	oklab(52.54% 0.0138 -0.1726)
OKLCH	oklch(52.54% 0.173 274.6)
XYZ	xyz(17.9449, 13.5459, 58.7840)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BCC #CCC150

analogous

#5099CC #505BCC #8350CC

triadic

#505BCC #CC505B #5BCC50

tetradic

#505BCC #CC5099 #CCC150 #50CC83

square

#505BCC #CC5099 #CCC150 #50CC83

split-complementary

#505BCC #CC8350 #99CC50

monochromatic

#242C7D #323DAD #505BCC #7F87DA #AFB4E8

Accessibility & contrast

On white

5.66

#505BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#505BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BCC

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BCC	#FFFFFF	#000000	##FFFFFF
##505BCC	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#0062CA

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #505bcc;
/* rgb */ color: rgb(80, 91, 204);
/* oklch */ color: oklch(52.5% 0.173 274.6);

Tailwind

colors: {
  custom: {
    50: '#8d89dc',
    500: '#505bcc',
    950: '#000000',
  },
}

SCSS

$custom: #505bcc;
$custom-light: #8d89dc;
$custom-dark: #000000;

JSON

{
  "hex": "#505bcc",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 204
  },
  "hsl": {
    "h": 234.677,
    "s": 54.867,
    "l": 55.686
  },
  "oklch": {
    "l": 0.52535,
    "c": 0.17318,
    "h": 274.6
  },
  "luminance": 0.13547
}

Semantic roles & 50–950 ramp

primary

#505BCC

secondary

#D6D1A2

accent

#D14ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #505BCC

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

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