#515FD0#515FD0

#515FD0 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.6% C 0.173 H 273.7°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#515FD0
RGB	rgb(81, 95, 208)
HSL	hsl(233, 57%, 57%)
HSV	hsv(233, 61%, 82%)
CMYK	cmyk(61.1%, 54.3%, 0%, 18.4%)
CIE-LAB	lab(44.92, 29.07, -60.25)
CIE-LCH	lch(44.92, 66.90, 295.76°)
OKLab	oklab(53.65% 0.0113 -0.1729)
OKLCH	oklch(53.65% 0.173 273.7)
XYZ	xyz(18.8670, 14.4863, 61.4642)
Luminance	0.1449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FD0 #D0C251

analogous

#519FD0 #515FD0 #8351D0

triadic

#515FD0 #D0515F #5FD051

tetradic

#515FD0 #D0519F #D0C251 #51D083

square

#515FD0 #D0519F #D0C251 #51D083

split-complementary

#515FD0 #D08351 #9FD051

monochromatic

#232E83 #303FB3 #515FD0 #818BDD #B1B8EA

Accessibility & contrast

On white

5.39

#515FD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#515FD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FD0

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FD0	#FFFFFF	#000000	##FFFFFF
##515FD0	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C70D4

Deuteranopia (green-blind)

#0065CE

Tritanopia (blue-blind)

#007A8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #515fd0;
/* rgb */ color: rgb(81, 95, 208);
/* oklch */ color: oklch(53.6% 0.173 273.7);

Tailwind

colors: {
  custom: {
    50: '#8e8cdf',
    500: '#515fd0',
    950: '#000000',
  },
}

SCSS

$custom: #515fd0;
$custom-light: #8e8cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#515fd0",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 208
  },
  "hsl": {
    "h": 233.386,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.53649,
    "c": 0.17327,
    "h": 273.7
  },
  "luminance": 0.14488
}

Semantic roles & 50–950 ramp

primary

#515FD0

secondary

#D8D3A4

accent

#D047E1

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #515FD0

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

Preview Lab → · Contrast checker → · Palette generator →