#515BD7#515BD7

#515BD7 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.4% C 0.188 H 274.6°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#515BD7
RGB	rgb(81, 91, 215)
HSL	hsl(236, 63%, 58%)
HSV	hsv(236, 62%, 84%)
CMYK	cmyk(62.3%, 57.7%, 0%, 15.7%)
CIE-LAB	lab(44.43, 33.91, -65.06)
CIE-LCH	lch(44.43, 73.37, 297.53°)
OKLab	oklab(53.44% 0.0151 -0.1871)
OKLCH	oklch(53.44% 0.188 274.6)
XYZ	xyz(19.3961, 14.1362, 65.9832)
Luminance	0.1414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515BD7 #D7CD51

analogous

#519ED7 #515BD7 #8A51D7

triadic

#515BD7 #D7515B #5BD751

tetradic

#515BD7 #D7519E #D7CD51 #51D78A

square

#515BD7 #D7519E #D7CD51 #51D78A

split-complementary

#515BD7 #D78A51 #9ED751

monochromatic

#20298D #2C37BF #515BD7 #838AE2 #B5B9EE

Accessibility & contrast

On white

5.49

#515BD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#515BD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515BD7

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515BD7	#FFFFFF	#000000	##FFFFFF
##515BD7	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDB

Deuteranopia (green-blind)

#0063D5

Tritanopia (blue-blind)

#007990

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515bd7;
/* rgb */ color: rgb(81, 91, 215);
/* oklch */ color: oklch(53.4% 0.188 274.6);

Tailwind

colors: {
  custom: {
    50: '#8f89e4',
    500: '#515bd7',
    950: '#000000',
  },
}

SCSS

$custom: #515bd7;
$custom-light: #8f89e4;
$custom-dark: #000000;

JSON

{
  "hex": "#515bd7",
  "rgb": {
    "r": 81,
    "g": 91,
    "b": 215
  },
  "hsl": {
    "h": 235.522,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.53437,
    "c": 0.1877,
    "h": 274.6
  },
  "luminance": 0.14138
}

Semantic roles & 50–950 ramp

primary

#515BD7

secondary

#DDD9A7

accent

#D942E6

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #515BD7

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

Preview Lab → · Contrast checker → · Palette generator →