#505BD3#505BD3

#505BD3 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.1% C 0.183 H 274.4°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#505BD3
RGB	rgb(80, 91, 211)
HSL	hsl(235, 60%, 57%)
HSV	hsv(235, 62%, 83%)
CMYK	cmyk(62.1%, 56.9%, 0%, 17.3%)
CIE-LAB	lab(44.07, 32.40, -63.35)
CIE-LCH	lch(44.07, 71.16, 297.09°)
OKLab	oklab(53.07% 0.014 -0.1821)
OKLCH	oklch(53.07% 0.183 274.4)
XYZ	xyz(18.8034, 13.8892, 63.3054)
Luminance	0.1389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BD3 #D3C850

analogous

#509CD3 #505BD3 #8750D3

triadic

#505BD3 #D3505B #5BD350

tetradic

#505BD3 #D3509C #D3C850 #50D387

square

#505BD3 #D3509C #D3C850 #50D387

split-complementary

#505BD3 #D38750 #9CD350

monochromatic

#222A87 #2E3AB8 #505BD3 #8189DF #B2B7EC

Accessibility & contrast

On white

5.56

#505BD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#505BD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BD3

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BD3	#FFFFFF	#000000	##FFFFFF
##505BD3	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED7

Deuteranopia (green-blind)

#0063D1

Tritanopia (blue-blind)

#00788E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #505bd3;
/* rgb */ color: rgb(80, 91, 211);
/* oklch */ color: oklch(53.1% 0.183 274.4);

Tailwind

colors: {
  custom: {
    50: '#8e89e1',
    500: '#505bd3',
    950: '#000000',
  },
}

SCSS

$custom: #505bd3;
$custom-light: #8e89e1;
$custom-dark: #000000;

JSON

{
  "hex": "#505bd3",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 211
  },
  "hsl": {
    "h": 234.962,
    "s": 59.817,
    "l": 57.059
  },
  "oklch": {
    "l": 0.53065,
    "c": 0.18262,
    "h": 274.4
  },
  "luminance": 0.13891
}

Semantic roles & 50–950 ramp

primary

#505BD3

secondary

#DAD6A5

accent

#D645E3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #505BD3

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

Preview Lab → · Contrast checker → · Palette generator →