#515FCE#515FCE

#515FCE is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.5% C 0.171 H 273.8°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#515FCE
RGB	rgb(81, 95, 206)
HSL	hsl(233, 56%, 56%)
HSV	hsv(233, 61%, 81%)
CMYK	cmyk(60.7%, 53.9%, 0%, 19.2%)
CIE-LAB	lab(44.78, 28.40, -59.33)
CIE-LCH	lch(44.78, 65.77, 295.58°)
OKLab	oklab(53.5% 0.0112 -0.1702)
OKLCH	oklch(53.5% 0.171 273.8)
XYZ	xyz(18.6225, 14.3885, 60.1765)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FCE #CEC051

analogous

#519ECE #515FCE #8251CE

triadic

#515FCE #CE515F #5FCE51

tetradic

#515FCE #CE519E #CEC051 #51CE82

square

#515FCE #CE519E #CEC051 #51CE82

split-complementary

#515FCE #CE8251 #9ECE51

monochromatic

#242F80 #3240B0 #515FCE #818BDB #B1B7E9

Accessibility & contrast

On white

5.42

#515FCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#515FCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FCE

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FCE	#FFFFFF	#000000	##FFFFFF
##515FCE	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1370D2

Deuteranopia (green-blind)

#0065CC

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #515fce;
/* rgb */ color: rgb(81, 95, 206);
/* oklch */ color: oklch(53.5% 0.171 273.8);

Tailwind

colors: {
  custom: {
    50: '#8d8cde',
    500: '#515fce',
    950: '#000000',
  },
}

SCSS

$custom: #515fce;
$custom-light: #8d8cde;
$custom-dark: #000000;

JSON

{
  "hex": "#515fce",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 206
  },
  "hsl": {
    "h": 233.28,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.53502,
    "c": 0.17055,
    "h": 273.8
  },
  "luminance": 0.1439
}

Semantic roles & 50–950 ramp

primary

#515FCE

secondary

#D7D1A4

accent

#CE48DF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #515FCE

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

Preview Lab → · Contrast checker → · Palette generator →