#515AD0#515AD0

#515AD0 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.7% C 0.180 H 275.1°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#515AD0
RGB	rgb(81, 90, 208)
HSL	hsl(236, 57%, 57%)
HSV	hsv(236, 61%, 82%)
CMYK	cmyk(61.1%, 56.7%, 0%, 18.4%)
CIE-LAB	lab(43.67, 32.19, -62.27)
CIE-LCH	lch(43.67, 70.10, 297.33°)
OKLab	oklab(52.72% 0.016 -0.1789)
OKLCH	oklch(52.72% 0.18 275.1)
XYZ	xyz(18.4309, 13.6143, 61.3188)
Luminance	0.1362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515AD0 #D0C751

analogous

#519AD0 #515AD0 #8851D0

triadic

#515AD0 #D0515A #5AD051

tetradic

#515AD0 #D0519A #D0C751 #51D088

square

#515AD0 #D0519A #D0C751 #51D088

split-complementary

#515AD0 #D08851 #9AD051

monochromatic

#232A83 #303AB3 #515AD0 #8188DD #B1B5EA

Accessibility & contrast

On white

5.64

#515AD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#515AD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515AD0

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515AD0	#FFFFFF	#000000	##FFFFFF
##515AD0	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD4

Deuteranopia (green-blind)

#0062CE

Tritanopia (blue-blind)

#00768C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #515ad0;
/* rgb */ color: rgb(81, 90, 208);
/* oklch */ color: oklch(52.7% 0.180 275.1);

Tailwind

colors: {
  custom: {
    50: '#8e88df',
    500: '#515ad0',
    950: '#000000',
  },
}

SCSS

$custom: #515ad0;
$custom-light: #8e88df;
$custom-dark: #000000;

JSON

{
  "hex": "#515ad0",
  "rgb": {
    "r": 81,
    "g": 90,
    "b": 208
  },
  "hsl": {
    "h": 235.748,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.52717,
    "c": 0.17961,
    "h": 275.1
  },
  "luminance": 0.13616
}

Semantic roles & 50–950 ramp

primary

#515AD0

secondary

#D8D5A4

accent

#D647E1

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515AD0

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

Preview Lab → · Contrast checker → · Palette generator →