#505BC7#505BC7

#505BC7 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.2% C 0.166 H 274.7°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#505BC7
RGB	rgb(80, 91, 199)
HSL	hsl(234, 52%, 55%)
HSV	hsv(234, 60%, 78%)
CMYK	cmyk(59.8%, 54.3%, 0%, 22%)
CIE-LAB	lab(43.23, 28.37, -57.82)
CIE-LCH	lch(43.23, 64.40, 296.14°)
OKLab	oklab(52.16% 0.0136 -0.1658)
OKLCH	oklch(52.16% 0.166 274.7)
XYZ	xyz(17.3548, 13.3098, 55.6763)
Luminance	0.1331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BC7 #C7BC50

analogous

#5096C7 #505BC7 #8150C7

triadic

#505BC7 #C7505B #5BC750

tetradic

#505BC7 #C75096 #C7BC50 #50C781

square

#505BC7 #C75096 #C7BC50 #50C781

split-complementary

#505BC7 #C78150 #96C750

monochromatic

#262D77 #353FA5 #505BC7 #7E86D6 #ADB2E5

Accessibility & contrast

On white

5.73

#505BC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#505BC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BC7

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BC7	#FFFFFF	#000000	##FFFFFF
##505BC7	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#106BCB

Deuteranopia (green-blind)

#0061C5

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #505bc7;
/* rgb */ color: rgb(80, 91, 199);
/* oklch */ color: oklch(52.2% 0.166 274.7);

Tailwind

colors: {
  custom: {
    50: '#8c89d9',
    500: '#505bc7',
    950: '#000000',
  },
}

SCSS

$custom: #505bc7;
$custom-light: #8c89d9;
$custom-dark: #000000;

JSON

{
  "hex": "#505bc7",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 199
  },
  "hsl": {
    "h": 234.454,
    "s": 51.515,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52165,
    "c": 0.16636,
    "h": 274.7
  },
  "luminance": 0.13311
}

Semantic roles & 50–950 ramp

primary

#505BC7

secondary

#D2CEA0

accent

#CE4DDB

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #505BC7

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

Preview Lab → · Contrast checker → · Palette generator →