#505ECB#505ECB

#505ECB is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.0% C 0.168 H 273.7°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#505ECB
RGB	rgb(80, 94, 203)
HSL	hsl(233, 54%, 55%)
HSV	hsv(233, 61%, 80%)
CMYK	cmyk(60.6%, 53.7%, 0%, 20.4%)
CIE-LAB	lab(44.26, 27.84, -58.45)
CIE-LCH	lch(44.26, 64.74, 295.47°)
OKLab	oklab(53.03% 0.0109 -0.1676)
OKLCH	oklch(53.03% 0.168 273.7)
XYZ	xyz(18.0869, 14.0212, 58.2416)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505ECB #CBBD50

analogous

#509BCB #505ECB #7F50CB

triadic

#505ECB #CB505E #5ECB50

tetradic

#505ECB #CB509B #CBBD50 #50CB7F

square

#505ECB #CB509B #CBBD50 #50CB7F

split-complementary

#505ECB #CB7F50 #9BCB50

monochromatic

#252F7C #3340AB #505ECB #7F89D9 #AEB5E7

Accessibility & contrast

On white

5.52

#505ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#505ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505ECB

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505ECB	#FFFFFF	#000000	##FFFFFF
##505ECB	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#156ECF

Deuteranopia (green-blind)

#0063C9

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #505ecb;
/* rgb */ color: rgb(80, 94, 203);
/* oklch */ color: oklch(53.0% 0.168 273.7);

Tailwind

colors: {
  custom: {
    50: '#8c8bdc',
    500: '#505ecb',
    950: '#000000',
  },
}

SCSS

$custom: #505ecb;
$custom-light: #8c8bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#505ecb",
  "rgb": {
    "r": 80,
    "g": 94,
    "b": 203
  },
  "hsl": {
    "h": 233.171,
    "s": 54.185,
    "l": 55.49
  },
  "oklch": {
    "l": 0.53029,
    "c": 0.16798,
    "h": 273.7
  },
  "luminance": 0.14023
}

Semantic roles & 50–950 ramp

primary

#505ECB

secondary

#D5CFA2

accent

#CD4ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #505ECB

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

Preview Lab → · Contrast checker → · Palette generator →