#505BB2#505BB2

#505BB2 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.7% C 0.137 H 275.0°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#505BB2
RGB	rgb(80, 91, 178)
HSL	hsl(233, 39%, 51%)
HSV	hsv(233, 55%, 70%)
CMYK	cmyk(55.1%, 48.9%, 0%, 30.2%)
CIE-LAB	lab(41.85, 21.36, -47.80)
CIE-LCH	lch(41.85, 52.36, 294.08°)
OKLab	oklab(50.68% 0.0119 -0.1363)
OKLCH	oklch(50.68% 0.137 275)
XYZ	xyz(15.0827, 12.4010, 43.7097)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BB2 #B2A750

analogous

#508CB2 #505BB2 #7650B2

triadic

#505BB2 #B2505B #5BB250

tetradic

#505BB2 #B2508C #B2A750 #50B276

square

#505BB2 #B2508C #B2A750 #50B276

split-complementary

#505BB2 #B27650 #8CB250

monochromatic

#292F5E #3C4589 #505BB2 #7A83C5 #A5ABD7

Accessibility & contrast

On white

6.03

#505BB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#505BB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BB2

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BB2	#FFFFFF	#000000	##FFFFFF
##505BB2	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3167B5

Deuteranopia (green-blind)

#245FB0

Tritanopia (blue-blind)

#1E6E7E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #505bb2;
/* rgb */ color: rgb(80, 91, 178);
/* oklch */ color: oklch(50.7% 0.137 275.0);

Tailwind

colors: {
  custom: {
    50: '#8989c9',
    500: '#505bb2',
    950: '#000000',
  },
}

SCSS

$custom: #505bb2;
$custom-light: #8989c9;
$custom-dark: #000000;

JSON

{
  "hex": "#505bb2",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 178
  },
  "hsl": {
    "h": 233.265,
    "s": 38.889,
    "l": 50.588
  },
  "oklch": {
    "l": 0.50684,
    "c": 0.13687,
    "h": 275
  },
  "luminance": 0.12402
}

Semantic roles & 50–950 ramp

primary

#505BB2

secondary

#C5C099

accent

#C259CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #505BB2

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

Preview Lab → · Contrast checker → · Palette generator →