#515CCF#515CCF

#515CCF is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.0% C 0.176 H 274.6°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#515CCF
RGB	rgb(81, 92, 207)
HSL	hsl(235, 57%, 56%)
HSV	hsv(235, 61%, 81%)
CMYK	cmyk(60.9%, 55.6%, 0%, 18.8%)
CIE-LAB	lab(44.10, 30.61, -61.01)
CIE-LCH	lch(44.10, 68.26, 296.64°)
OKLab	oklab(53.01% 0.0141 -0.1752)
OKLCH	oklch(53.01% 0.176 274.6)
XYZ	xyz(18.4793, 13.9071, 60.7299)
Luminance	0.1391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CCF #CFC451

analogous

#519BCF #515CCF #8551CF

triadic

#515CCF #CF515C #5CCF51

tetradic

#515CCF #CF519B #CFC451 #51CF85

square

#515CCF #CF519B #CFC451 #51CF85

split-complementary

#515CCF #CF8551 #9BCF51

monochromatic

#242C82 #313CB2 #515CCF #8189DC #B1B6E9

Accessibility & contrast

On white

5.55

#515CCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#515CCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CCF

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CCF	#FFFFFF	#000000	##FFFFFF
##515CCF	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED3

Deuteranopia (green-blind)

#0063CD

Tritanopia (blue-blind)

#00778C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #515ccf;
/* rgb */ color: rgb(81, 92, 207);
/* oklch */ color: oklch(53.0% 0.176 274.6);

Tailwind

colors: {
  custom: {
    50: '#8e8ade',
    500: '#515ccf',
    950: '#000000',
  },
}

SCSS

$custom: #515ccf;
$custom-light: #8e8ade;
$custom-dark: #000000;

JSON

{
  "hex": "#515ccf",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 207
  },
  "hsl": {
    "h": 234.762,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.53011,
    "c": 0.17573,
    "h": 274.6
  },
  "luminance": 0.13909
}

Semantic roles & 50–950 ramp

primary

#515CCF

secondary

#D8D3A4

accent

#D348E0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515CCF

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

Preview Lab → · Contrast checker → · Palette generator →