#515AD8#515AD8

#515AD8 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.3% C 0.190 H 274.8°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#515AD8
RGB	rgb(81, 90, 216)
HSL	hsl(236, 63%, 58%)
HSV	hsv(236, 63%, 85%)
CMYK	cmyk(62.5%, 58.3%, 0%, 15.3%)
CIE-LAB	lab(44.26, 34.86, -65.91)
CIE-LCH	lch(44.26, 74.56, 297.87°)
OKLab	oklab(53.34% 0.016 -0.1896)
OKLCH	oklch(53.34% 0.19 274.8)
XYZ	xyz(19.4401, 14.0179, 66.6337)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AD8 #D8CF51

analogous

#519DD8 #515AD8 #8B51D8

triadic

#515AD8 #D8515A #5AD851

tetradic

#515AD8 #D8519D #D8CF51 #51D88B

square

#515AD8 #D8519D #D8CF51 #51D88B

split-complementary

#515AD8 #D88B51 #9DD851

monochromatic

#20278F #2B35C1 #515AD8 #8389E3 #B5B9EE

Accessibility & contrast

On white

5.52

#515AD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#515AD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AD8

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AD8	#FFFFFF	#000000	##FFFFFF
##515AD8	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDC

Deuteranopia (green-blind)

#0063D5

Tritanopia (blue-blind)

#007990

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515ad8;
/* rgb */ color: rgb(81, 90, 216);
/* oklch */ color: oklch(53.3% 0.190 274.8);

Tailwind

colors: {
  custom: {
    50: '#8f88e5',
    500: '#515ad8',
    950: '#000000',
  },
}

SCSS

$custom: #515ad8;
$custom-light: #8f88e5;
$custom-dark: #000000;

JSON

{
  "hex": "#515ad8",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 216
  },
  "hsl": {
    "h": 236,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.53335,
    "c": 0.19026,
    "h": 274.8
  },
  "luminance": 0.1402
}

Semantic roles & 50–950 ramp

primary

#515AD8

secondary

#DDDAA8

accent

#DB41E6

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #515AD8

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

Preview Lab → · Contrast checker → · Palette generator →