#505DB7#505DB7

#505DB7 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.4% C 0.141 H 274.2°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#505DB7
RGB	rgb(80, 93, 183)
HSL	hsl(232, 42%, 52%)
HSV	hsv(232, 56%, 72%)
CMYK	cmyk(56.3%, 49.2%, 0%, 28.2%)
CIE-LAB	lab(42.69, 21.75, -49.38)
CIE-LCH	lch(42.69, 53.96, 293.78°)
OKLab	oklab(51.42% 0.0103 -0.141)
OKLCH	oklch(51.42% 0.141 274.2)
XYZ	xyz(15.7671, 12.9520, 46.4597)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505DB7 #B7AA50

analogous

#5091B7 #505DB7 #7750B7

triadic

#505DB7 #B7505D #5DB750

tetradic

#505DB7 #B75091 #B7AA50 #50B777

square

#505DB7 #B75091 #B7AA50 #50B777

split-complementary

#505DB7 #B77750 #91B750

monochromatic

#293064 #3B458F #505DB7 #7B85C9 #A7ADDB

Accessibility & contrast

On white

5.85

#505DB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#505DB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505DB7

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505DB7	#FFFFFF	#000000	##FFFFFF
##505DB7	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3169BA

Deuteranopia (green-blind)

#2261B5

Tritanopia (blue-blind)

#157181

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #505db7;
/* rgb */ color: rgb(80, 93, 183);
/* oklch */ color: oklch(51.4% 0.141 274.2);

Tailwind

colors: {
  custom: {
    50: '#898acd',
    500: '#505db7',
    950: '#000000',
  },
}

SCSS

$custom: #505db7;
$custom-light: #898acd;
$custom-dark: #000000;

JSON

{
  "hex": "#505db7",
  "rgb": {
    "r": 80,
    "g": 93,
    "b": 183
  },
  "hsl": {
    "h": 232.427,
    "s": 41.7,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51424,
    "c": 0.14133,
    "h": 274.2
  },
  "luminance": 0.12953
}

Semantic roles & 50–950 ramp

primary

#505DB7

secondary

#C8C29B

accent

#C256D2

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #505DB7

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

Preview Lab → · Contrast checker → · Palette generator →