#505BBD#505BBD

#505BBD is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.4% C 0.152 H 274.9°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#505BBD
RGB	rgb(80, 91, 189)
HSL	hsl(234, 45%, 53%)
HSV	hsv(234, 58%, 74%)
CMYK	cmyk(57.7%, 51.9%, 0%, 25.9%)
CIE-LAB	lab(42.55, 25.02, -53.10)
CIE-LCH	lch(42.55, 58.70, 295.23°)
OKLab	oklab(51.44% 0.013 -0.1519)
OKLCH	oklch(51.44% 0.152 274.9)
XYZ	xyz(16.2317, 12.8606, 49.7612)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BBD #BDB250

analogous

#5091BD #505BBD #7B50BD

triadic

#505BBD #BD505B #5BBD50

tetradic

#505BBD #BD5091 #BDB250 #50BD7B

square

#505BBD #BD5091 #BDB250 #50BD7B

split-complementary

#505BBD #BD7B50 #91BD50

monochromatic

#282F6A #394297 #505BBD #7C85CE #A9AEDF

Accessibility & contrast

On white

5.88

#505BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#505BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BBD

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BBD	#FFFFFF	#000000	##FFFFFF
##505BBD	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2569C0

Deuteranopia (green-blind)

#0B60BB

Tritanopia (blue-blind)

#067183

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #505bbd;
/* rgb */ color: rgb(80, 91, 189);
/* oklch */ color: oklch(51.4% 0.152 274.9);

Tailwind

colors: {
  custom: {
    50: '#8a89d1',
    500: '#505bbd',
    950: '#000000',
  },
}

SCSS

$custom: #505bbd;
$custom-light: #8a89d1;
$custom-dark: #000000;

JSON

{
  "hex": "#505bbd",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 189
  },
  "hsl": {
    "h": 233.945,
    "s": 45.228,
    "l": 52.745
  },
  "oklch": {
    "l": 0.51444,
    "c": 0.15248,
    "h": 274.9
  },
  "luminance": 0.12862
}

Semantic roles & 50–950 ramp

primary

#505BBD

secondary

#CCC79D

accent

#C853D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0B14

muted

#7D7C82

Preview Lab

Preview with #505BBD

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

Preview Lab → · Contrast checker → · Palette generator →