#515CD8#515CD8

#515CD8 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.7% C 0.188 H 274.3°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#515CD8
RGB	rgb(81, 92, 216)
HSL	hsl(235, 63%, 58%)
HSV	hsv(235, 63%, 85%)
CMYK	cmyk(62.5%, 57.4%, 0%, 15.3%)
CIE-LAB	lab(44.74, 33.62, -65.12)
CIE-LCH	lch(44.74, 73.29, 297.31°)
OKLab	oklab(53.7% 0.0142 -0.1872)
OKLCH	oklch(53.7% 0.188 274.3)
XYZ	xyz(19.6111, 14.3599, 66.6907)
Luminance	0.1436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515CD8 #D8CD51

analogous

#519FD8 #515CD8 #8951D8

triadic

#515CD8 #D8515C #5CD851

tetradic

#515CD8 #D8519F #D8CD51 #51D889

square

#515CD8 #D8519F #D8CD51 #51D889

split-complementary

#515CD8 #D88951 #9FD851

monochromatic

#20298F #2B37C1 #515CD8 #838BE3 #B5BAEE

Accessibility & contrast

On white

5.42

#515CD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#515CD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515CD8

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515CD8	#FFFFFF	#000000	##FFFFFF
##515CD8	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DC

Deuteranopia (green-blind)

#0064D6

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #515cd8;
/* rgb */ color: rgb(81, 92, 216);
/* oklch */ color: oklch(53.7% 0.188 274.3);

Tailwind

colors: {
  custom: {
    50: '#8f8ae5',
    500: '#515cd8',
    950: '#000000',
  },
}

SCSS

$custom: #515cd8;
$custom-light: #8f8ae5;
$custom-dark: #000000;

JSON

{
  "hex": "#515cd8",
  "rgb": {
    "r": 81,
    "g": 92,
    "b": 216
  },
  "hsl": {
    "h": 235.111,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.53695,
    "c": 0.18779,
    "h": 274.3
  },
  "luminance": 0.14361
}

Semantic roles & 50–950 ramp

primary

#515CD8

secondary

#DDD9A8

accent

#D941E6

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #515CD8

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

Preview Lab → · Contrast checker → · Palette generator →