#515ED4#515ED4

#515ED4 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.8% C 0.180 H 273.9°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#515ED4
RGB	rgb(81, 94, 212)
HSL	hsl(234, 60%, 57%)
HSV	hsv(234, 62%, 83%)
CMYK	cmyk(61.8%, 55.7%, 0%, 16.9%)
CIE-LAB	lab(44.95, 31.04, -62.50)
CIE-LCH	lch(44.95, 69.78, 296.41°)
OKLab	oklab(53.76% 0.0123 -0.1795)
OKLCH	oklch(53.76% 0.18 273.9)
XYZ	xyz(19.2758, 14.5066, 64.0589)
Luminance	0.1451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515ED4 #D4C751

analogous

#519FD4 #515ED4 #8651D4

triadic

#515ED4 #D4515E #5ED451

tetradic

#515ED4 #D4519F #D4C751 #51D486

square

#515ED4 #D4519F #D4C751 #51D486

split-complementary

#515ED4 #D48651 #9FD451

monochromatic

#222C89 #2E3CBA #515ED4 #828BE0 #B3B9EC

Accessibility & contrast

On white

5.38

#515ED4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#515ED4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515ED4

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515ED4	#FFFFFF	#000000	##FFFFFF
##515ED4	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D8

Deuteranopia (green-blind)

#0065D2

Tritanopia (blue-blind)

#007A90

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #515ed4;
/* rgb */ color: rgb(81, 94, 212);
/* oklch */ color: oklch(53.8% 0.180 273.9);

Tailwind

colors: {
  custom: {
    50: '#8e8be2',
    500: '#515ed4',
    950: '#000000',
  },
}

SCSS

$custom: #515ed4;
$custom-light: #8e8be2;
$custom-dark: #000000;

JSON

{
  "hex": "#515ed4",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 212
  },
  "hsl": {
    "h": 234.046,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53758,
    "c": 0.17994,
    "h": 273.9
  },
  "luminance": 0.14508
}

Semantic roles & 50–950 ramp

primary

#515ED4

secondary

#DBD6A6

accent

#D444E4

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #515ED4

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

Preview Lab → · Contrast checker → · Palette generator →