#515FDC#515FDC

#515FDC is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.5% C 0.189 H 273.5°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#515FDC
RGB	rgb(81, 95, 220)
HSL	hsl(234, 67%, 59%)
HSV	hsv(234, 63%, 86%)
CMYK	cmyk(63.2%, 56.8%, 0%, 13.7%)
CIE-LAB	lab(45.77, 33.11, -65.73)
CIE-LCH	lch(45.77, 73.60, 296.74°)
OKLab	oklab(54.55% 0.0116 -0.189)
OKLCH	oklch(54.55% 0.189 273.5)
XYZ	xyz(20.3995, 15.0993, 69.5357)
Luminance	0.1510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FDC #DCCE51

analogous

#51A5DC #515FDC #8951DC

triadic

#515FDC #DC515F #5FDC51

tetradic

#515FDC #DC51A5 #DCCE51 #51DC89

square

#515FDC #DC51A5 #DCCE51 #51DC89

split-complementary

#515FDC #DC8951 #A5DC51

monochromatic

#1E2A95 #2838C8 #515FDC #848EE6 #B7BDF0

Accessibility & contrast

On white

5.22

#515FDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#515FDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FDC

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FDC	#FFFFFF	#000000	##FFFFFF
##515FDC	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E0

Deuteranopia (green-blind)

#0066D9

Tritanopia (blue-blind)

#007D94

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #515fdc;
/* rgb */ color: rgb(81, 95, 220);
/* oklch */ color: oklch(54.5% 0.189 273.5);

Tailwind

colors: {
  custom: {
    50: '#908ce8',
    500: '#515fdc',
    950: '#000000',
  },
}

SCSS

$custom: #515fdc;
$custom-light: #908ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#515fdc",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 220
  },
  "hsl": {
    "h": 233.957,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.5455,
    "c": 0.18938,
    "h": 273.5
  },
  "luminance": 0.15101
}

Semantic roles & 50–950 ramp

primary

#515FDC

secondary

#E0DAA9

accent

#D83EE9

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515FDC

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

Preview Lab → · Contrast checker → · Palette generator →