#515FC7#515FC7

#515FC7 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 53.0% C 0.161 H 273.8°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#515FC7
RGB	rgb(81, 95, 199)
HSL	hsl(233, 51%, 55%)
HSV	hsv(233, 59%, 78%)
CMYK	cmyk(59.3%, 52.3%, 0%, 22%)
CIE-LAB	lab(44.31, 26.05, -56.06)
CIE-LCH	lch(44.31, 61.81, 294.92°)
OKLab	oklab(53% 0.0107 -0.1606)
OKLCH	oklch(53% 0.161 273.8)
XYZ	xyz(17.7910, 14.0559, 55.7973)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FC7 #C7B951

analogous

#519AC7 #515FC7 #7E51C7

triadic

#515FC7 #C7515F #5FC751

tetradic

#515FC7 #C7519A #C7B951 #51C77E

square

#515FC7 #C7519A #C7B951 #51C77E

split-complementary

#515FC7 #C77E51 #9AC751

monochromatic

#263077 #3543A6 #515FC7 #7F8AD6 #AEB4E5

Accessibility & contrast

On white

5.51

#515FC7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#515FC7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FC7

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FC7	#FFFFFF	#000000	##FFFFFF
##515FC7	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#226ECB

Deuteranopia (green-blind)

#0064C5

Tritanopia (blue-blind)

#00778A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515fc7;
/* rgb */ color: rgb(81, 95, 199);
/* oklch */ color: oklch(53.0% 0.161 273.8);

Tailwind

colors: {
  custom: {
    50: '#8c8cd9',
    500: '#515fc7',
    950: '#000000',
  },
}

SCSS

$custom: #515fc7;
$custom-light: #8c8cd9;
$custom-dark: #000000;

JSON

{
  "hex": "#515fc7",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 199
  },
  "hsl": {
    "h": 232.881,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52997,
    "c": 0.16092,
    "h": 273.8
  },
  "luminance": 0.14057
}

Semantic roles & 50–950 ramp

primary

#515FC7

secondary

#D3CDA1

accent

#CA4DDB

background

#F9F8FD

surface

#F1F0FA

border

#CBCBD3

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #515FC7

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

Preview Lab → · Contrast checker → · Palette generator →