#505BDB#505BDB

#505BDB is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.7% C 0.193 H 274.2°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#505BDB
RGB	rgb(80, 91, 219)
HSL	hsl(235, 66%, 59%)
HSV	hsv(235, 63%, 86%)
CMYK	cmyk(63.5%, 58.4%, 0%, 14.1%)
CIE-LAB	lab(44.66, 35.09, -66.97)
CIE-LCH	lch(44.66, 75.60, 297.65°)
OKLab	oklab(53.69% 0.014 -0.1927)
OKLCH	oklch(53.69% 0.193 274.2)
XYZ	xyz(19.8313, 14.3004, 68.7193)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BDB #DBD050

analogous

#50A0DB #505BDB #8A50DB

triadic

#505BDB #DB505B #5BDB50

tetradic

#505BDB #DB50A0 #DBD050 #50DB8A

square

#505BDB #DB50A0 #DBD050 #50DB8A

split-complementary

#505BDB #DB8A50 #A0DB50

monochromatic

#1E2792 #2935C5 #505BDB #838BE5 #B6BAF0

Accessibility & contrast

On white

5.44

#505BDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#505BDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BDB

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BDB	#FFFFFF	#000000	##FFFFFF
##505BDB	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DF

Deuteranopia (green-blind)

#0064D8

Tritanopia (blue-blind)

#007A92

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #505bdb;
/* rgb */ color: rgb(80, 91, 219);
/* oklch */ color: oklch(53.7% 0.193 274.2);

Tailwind

colors: {
  custom: {
    50: '#8f89e7',
    500: '#505bdb',
    950: '#000000',
  },
}

SCSS

$custom: #505bdb;
$custom-light: #8f89e7;
$custom-dark: #000000;

JSON

{
  "hex": "#505bdb",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 219
  },
  "hsl": {
    "h": 235.252,
    "s": 65.877,
    "l": 58.627
  },
  "oklch": {
    "l": 0.53686,
    "c": 0.19323,
    "h": 274.2
  },
  "luminance": 0.14302
}

Semantic roles & 50–950 ramp

primary

#505BDB

secondary

#DFDBA8

accent

#DB3FE9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #505BDB

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

Preview Lab → · Contrast checker → · Palette generator →