#505BC8#505BC8

#505BC8 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.168 H 274.7°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#505BC8
RGB	rgb(80, 91, 200)
HSL	hsl(235, 52%, 55%)
HSV	hsv(235, 60%, 78%)
CMYK	cmyk(60%, 54.5%, 0%, 21.6%)
CIE-LAB	lab(43.30, 28.71, -58.28)
CIE-LCH	lch(43.30, 64.97, 296.22°)
OKLab	oklab(52.24% 0.0137 -0.1672)
OKLCH	oklch(52.24% 0.168 274.7)
XYZ	xyz(17.4713, 13.3564, 56.2897)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#505BC8 #C8BD50

analogous

#5097C8 #505BC8 #8150C8

triadic

#505BC8 #C8505B #5BC850

tetradic

#505BC8 #C85097 #C8BD50 #50C881

square

#505BC8 #C85097 #C8BD50 #50C881

split-complementary

#505BC8 #C88150 #97C850

monochromatic

#262D78 #343FA6 #505BC8 #7F87D7 #ADB2E5

Accessibility & contrast

On white

5.72

#505BC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#505BC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #505BC8

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##505BC8	#FFFFFF	#000000	##FFFFFF
##505BC8	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D6CCC

Deuteranopia (green-blind)

#0061C6

Tritanopia (blue-blind)

#007589

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #505bc8;
/* rgb */ color: rgb(80, 91, 200);
/* oklch */ color: oklch(52.2% 0.168 274.7);

Tailwind

colors: {
  custom: {
    50: '#8c89d9',
    500: '#505bc8',
    950: '#000000',
  },
}

SCSS

$custom: #505bc8;
$custom-light: #8c89d9;
$custom-dark: #000000;

JSON

{
  "hex": "#505bc8",
  "rgb": {
    "r": 80,
    "g": 91,
    "b": 200
  },
  "hsl": {
    "h": 234.5,
    "s": 52.174,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52238,
    "c": 0.16774,
    "h": 274.7
  },
  "luminance": 0.13358
}

Semantic roles & 50–950 ramp

primary

#505BC8

secondary

#D3CFA1

accent

#CE4CDC

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #505BC8

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

Preview Lab → · Contrast checker → · Palette generator →