#505FDD#505FDD

#505FDD is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.6% C 0.191 H 273.2°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#505FDD
RGB	rgb(80, 95, 221)
HSL	hsl(234, 67%, 59%)
HSV	hsv(234, 64%, 87%)
CMYK	cmyk(63.8%, 57%, 0%, 13.3%)
CIE-LAB	lab(45.78, 33.29, -66.28)
CIE-LCH	lch(45.78, 74.17, 296.67°)
OKLab	oklab(54.57% 0.0106 -0.1907)
OKLCH	oklch(54.57% 0.191 273.2)
XYZ	xyz(20.4473, 15.1086, 70.2313)
Luminance	0.1511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505FDD #DDCE50

analogous

#50A6DD #505FDD #8850DD

triadic

#505FDD #DD505F #5FDD50

tetradic

#505FDD #DD50A6 #DDCE50 #50DD88

square

#505FDD #DD50A6 #DDCE50 #50DD88

split-complementary

#505FDD #DD8850 #A6DD50

monochromatic

#1D2A96 #2738C9 #505FDD #838EE7 #B6BDF1

Accessibility & contrast

On white

5.22

#505FDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#505FDD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505FDD

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505FDD	#FFFFFF	#000000	##FFFFFF
##505FDD	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E1

Deuteranopia (green-blind)

#0066DA

Tritanopia (blue-blind)

#007E95

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #505fdd;
/* rgb */ color: rgb(80, 95, 221);
/* oklch */ color: oklch(54.6% 0.191 273.2);

Tailwind

colors: {
  custom: {
    50: '#8f8ce8',
    500: '#505fdd',
    950: '#000000',
  },
}

SCSS

$custom: #505fdd;
$custom-light: #8f8ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#505fdd",
  "rgb": {
    "r": 80,
    "g": 95,
    "b": 221
  },
  "hsl": {
    "h": 233.617,
    "s": 67.464,
    "l": 59.02
  },
  "oklch": {
    "l": 0.54566,
    "c": 0.19095,
    "h": 273.2
  },
  "luminance": 0.1511
}

Semantic roles & 50–950 ramp

primary

#505FDD

secondary

#E0DAA9

accent

#D83DEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #505FDD

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

Preview Lab → · Contrast checker → · Palette generator →