#515DCE#515DCE

#515DCE is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.1% C 0.173 H 274.3°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#515DCE
RGB	rgb(81, 93, 206)
HSL	hsl(234, 56%, 56%)
HSV	hsv(234, 61%, 81%)
CMYK	cmyk(60.7%, 54.9%, 0%, 19.2%)
CIE-LAB	lab(44.28, 29.65, -60.14)
CIE-LCH	lch(44.28, 67.06, 296.24°)
OKLab	oklab(53.12% 0.0131 -0.1726)
OKLCH	oklch(53.12% 0.173 274.3)
XYZ	xyz(18.4446, 14.0328, 60.1172)
Luminance	0.1403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515DCE #CEC251

analogous

#519CCE #515DCE #8451CE

triadic

#515DCE #CE515D #5DCE51

tetradic

#515DCE #CE519C #CEC251 #51CE84

square

#515DCE #CE519C #CEC251 #51CE84

split-complementary

#515DCE #CE8451 #9CCE51

monochromatic

#242D80 #323EB0 #515DCE #8189DB #B1B6E9

Accessibility & contrast

On white

5.52

#515DCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#515DCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515DCE

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515DCE	#FFFFFF	#000000	##FFFFFF
##515DCE	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#046ED2

Deuteranopia (green-blind)

#0063CC

Tritanopia (blue-blind)

#00788C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #515dce;
/* rgb */ color: rgb(81, 93, 206);
/* oklch */ color: oklch(53.1% 0.173 274.3);

Tailwind

colors: {
  custom: {
    50: '#8d8ade',
    500: '#515dce',
    950: '#000000',
  },
}

SCSS

$custom: #515dce;
$custom-light: #8d8ade;
$custom-dark: #000000;

JSON

{
  "hex": "#515dce",
  "rgb": {
    "r": 81,
    "g": 93,
    "b": 206
  },
  "hsl": {
    "h": 234.24,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.53124,
    "c": 0.1731,
    "h": 274.3
  },
  "luminance": 0.14034
}

Semantic roles & 50–950 ramp

primary

#515DCE

secondary

#D7D2A4

accent

#D148DF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #515DCE

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

Preview Lab → · Contrast checker → · Palette generator →