#515ED3#515ED3

#515ED3 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.7% C 0.179 H 274.0°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#515ED3
RGB	rgb(81, 94, 211)
HSL	hsl(234, 60%, 57%)
HSV	hsv(234, 62%, 83%)
CMYK	cmyk(61.6%, 55.5%, 0%, 17.3%)
CIE-LAB	lab(44.88, 30.71, -62.04)
CIE-LCH	lch(44.88, 69.22, 296.33°)
OKLab	oklab(53.68% 0.0123 -0.1782)
OKLCH	oklch(53.68% 0.179 274)
XYZ	xyz(19.1500, 14.4563, 63.3966)
Luminance	0.1446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515ED3 #D3C651

analogous

#519FD3 #515ED3 #8551D3

triadic

#515ED3 #D3515E #5ED351

tetradic

#515ED3 #D3519F #D3C651 #51D385

square

#515ED3 #D3519F #D3C651 #51D385

split-complementary

#515ED3 #D38551 #9FD351

monochromatic

#222C87 #2F3CB8 #515ED3 #828BDF #B3B8EC

Accessibility & contrast

On white

5.40

#515ED3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#515ED3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515ED3

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515ED3	#FFFFFF	#000000	##FFFFFF
##515ED3	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070D7

Deuteranopia (green-blind)

#0065D1

Tritanopia (blue-blind)

#007A8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #515ed3;
/* rgb */ color: rgb(81, 94, 211);
/* oklch */ color: oklch(53.7% 0.179 274.0);

Tailwind

colors: {
  custom: {
    50: '#8e8be1',
    500: '#515ed3',
    950: '#000000',
  },
}

SCSS

$custom: #515ed3;
$custom-light: #8e8be1;
$custom-dark: #000000;

JSON

{
  "hex": "#515ed3",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 211
  },
  "hsl": {
    "h": 234,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.53683,
    "c": 0.17859,
    "h": 274
  },
  "luminance": 0.14458
}

Semantic roles & 50–950 ramp

primary

#515ED3

secondary

#DAD5A6

accent

#D345E3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #515ED3

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

Preview Lab → · Contrast checker → · Palette generator →