#505BC5#505BC5

#505BC5 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.0% C 0.164 H 274.7°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#505BC5
RGB	rgb(80, 91, 197)
HSL	hsl(234, 50%, 54%)
HSV	hsv(234, 59%, 77%)
CMYK	cmyk(59.4%, 53.8%, 0%, 22.7%)
CIE-LAB	lab(43.09, 27.70, -56.88)
CIE-LCH	lch(43.09, 63.27, 295.97°)
OKLab	oklab(52.02% 0.0135 -0.163)
OKLCH	oklch(52.02% 0.164 274.7)
XYZ	xyz(17.1241, 13.2176, 54.4614)
Luminance	0.1322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BC5 #C5BA50

analogous

#5096C5 #505BC5 #8050C5

triadic

#505BC5 #C5505B #5BC550

tetradic

#505BC5 #C55096 #C5BA50 #50C580

square

#505BC5 #C55096 #C5BA50 #50C580

split-complementary

#505BC5 #C58050 #96C550

monochromatic

#262E74 #3640A2 #505BC5 #7E86D4 #ACB1E3

Accessibility & contrast

On white

5.76

#505BC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#505BC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BC5

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BC5	#FFFFFF	#000000	##FFFFFF
##505BC5	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166BC9

Deuteranopia (green-blind)

#0061C3

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #505bc5;
/* rgb */ color: rgb(80, 91, 197);
/* oklch */ color: oklch(52.0% 0.164 274.7);

Tailwind

colors: {
  custom: {
    50: '#8c89d7',
    500: '#505bc5',
    950: '#000000',
  },
}

SCSS

$custom: #505bc5;
$custom-light: #8c89d7;
$custom-dark: #000000;

JSON

{
  "hex": "#505bc5",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 197
  },
  "hsl": {
    "h": 234.359,
    "s": 50.215,
    "l": 54.314
  },
  "oklch": {
    "l": 0.52018,
    "c": 0.16361,
    "h": 274.7
  },
  "luminance": 0.13219
}

Semantic roles & 50–950 ramp

primary

#505BC5

secondary

#D1CDA0

accent

#CD4EDA

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #505BC5

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

Preview Lab → · Contrast checker → · Palette generator →