#515FD8#515FD8

#515FD8 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.2% C 0.184 H 273.6°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#515FD8
RGB	rgb(81, 95, 216)
HSL	hsl(234, 63%, 58%)
HSV	hsv(234, 63%, 85%)
CMYK	cmyk(62.5%, 56%, 0%, 15.3%)
CIE-LAB	lab(45.48, 31.77, -63.92)
CIE-LCH	lch(45.48, 71.38, 296.43°)
OKLab	oklab(54.25% 0.0115 -0.1837)
OKLCH	oklch(54.25% 0.184 273.6)
XYZ	xyz(19.8761, 14.8900, 66.7790)
Luminance	0.1489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FD8 #D8CA51

analogous

#51A2D8 #515FD8 #8651D8

triadic

#515FD8 #D8515F #5FD851

tetradic

#515FD8 #D851A2 #D8CA51 #51D886

square

#515FD8 #D851A2 #D8CA51 #51D886

split-complementary

#515FD8 #D88651 #A2D851

monochromatic

#202B8F #2B3BC1 #515FD8 #838DE3 #B5BBEE

Accessibility & contrast

On white

5.28

#515FD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#515FD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FD8

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FD8	#FFFFFF	#000000	##FFFFFF
##515FD8	1.00	5.28	3.98	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DC

Deuteranopia (green-blind)

#0066D6

Tritanopia (blue-blind)

#007C92

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #515fd8;
/* rgb */ color: rgb(81, 95, 216);
/* oklch */ color: oklch(54.2% 0.184 273.6);

Tailwind

colors: {
  custom: {
    50: '#8f8ce5',
    500: '#515fd8',
    950: '#000000',
  },
}

SCSS

$custom: #515fd8;
$custom-light: #8f8ce5;
$custom-dark: #000000;

JSON

{
  "hex": "#515fd8",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 216
  },
  "hsl": {
    "h": 233.778,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.54245,
    "c": 0.18405,
    "h": 273.6
  },
  "luminance": 0.14892
}

Semantic roles & 50–950 ramp

primary

#515FD8

secondary

#DDD8A8

accent

#D541E6

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515FD8

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

Preview Lab → · Contrast checker → · Palette generator →