#515ED9#515ED9

#515ED9 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.1% C 0.187 H 273.8°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#515ED9
RGB	rgb(81, 94, 217)
HSL	hsl(234, 64%, 58%)
HSV	hsv(234, 63%, 85%)
CMYK	cmyk(62.7%, 56.7%, 0%, 14.9%)
CIE-LAB	lab(45.31, 32.72, -64.77)
CIE-LCH	lch(45.31, 72.57, 296.80°)
OKLab	oklab(54.14% 0.0125 -0.1862)
OKLCH	oklch(54.14% 0.187 273.8)
XYZ	xyz(19.9163, 14.7628, 67.4321)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515ED9 #D9CC51

analogous

#51A2D9 #515ED9 #8851D9

triadic

#515ED9 #D9515E #5ED951

tetradic

#515ED9 #D951A2 #D9CC51 #51D988

square

#515ED9 #D951A2 #D9CC51 #51D988

split-complementary

#515ED9 #D98851 #A2D951

monochromatic

#1F2A90 #2A39C2 #515ED9 #838CE4 #B5BBEF

Accessibility & contrast

On white

5.31

#515ED9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#515ED9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515ED9

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515ED9	#FFFFFF	#000000	##FFFFFF
##515ED9	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DD

Deuteranopia (green-blind)

#0065D7

Tritanopia (blue-blind)

#007C92

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #515ed9;
/* rgb */ color: rgb(81, 94, 217);
/* oklch */ color: oklch(54.1% 0.187 273.8);

Tailwind

colors: {
  custom: {
    50: '#8f8be6',
    500: '#515ed9',
    950: '#000000',
  },
}

SCSS

$custom: #515ed9;
$custom-light: #8f8be6;
$custom-dark: #000000;

JSON

{
  "hex": "#515ed9",
  "rgb": {
    "r": 81,
    "g": 94,
    "b": 217
  },
  "hsl": {
    "h": 234.265,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.54137,
    "c": 0.18664,
    "h": 273.8
  },
  "luminance": 0.14764
}

Semantic roles & 50–950 ramp

primary

#515ED9

secondary

#DED9A8

accent

#D741E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515ED9

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

Preview Lab → · Contrast checker → · Palette generator →