#515FD9#515FD9

#515FD9 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.3% C 0.185 H 273.6°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#515FD9
RGB	rgb(81, 95, 217)
HSL	hsl(234, 64%, 58%)
HSV	hsv(234, 63%, 85%)
CMYK	cmyk(62.7%, 56.2%, 0%, 14.9%)
CIE-LAB	lab(45.55, 32.10, -64.37)
CIE-LCH	lch(45.55, 71.93, 296.51°)
OKLab	oklab(54.32% 0.0116 -0.185)
OKLCH	oklch(54.32% 0.185 273.6)
XYZ	xyz(20.0058, 14.9418, 67.4620)
Luminance	0.1494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FD9 #D9CB51

analogous

#51A3D9 #515FD9 #8751D9

triadic

#515FD9 #D9515F #5FD951

tetradic

#515FD9 #D951A3 #D9CB51 #51D987

square

#515FD9 #D951A3 #D9CB51 #51D987

split-complementary

#515FD9 #D98751 #A3D951

monochromatic

#1F2B90 #2A3AC2 #515FD9 #838DE4 #B5BBEF

Accessibility & contrast

On white

5.26

#515FD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#515FD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FD9

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FD9	#FFFFFF	#000000	##FFFFFF
##515FD9	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DD

Deuteranopia (green-blind)

#0066D7

Tritanopia (blue-blind)

#007C93

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #515fd9;
/* rgb */ color: rgb(81, 95, 217);
/* oklch */ color: oklch(54.3% 0.185 273.6);

Tailwind

colors: {
  custom: {
    50: '#8f8ce6',
    500: '#515fd9',
    950: '#000000',
  },
}

SCSS

$custom: #515fd9;
$custom-light: #8f8ce6;
$custom-dark: #000000;

JSON

{
  "hex": "#515fd9",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 217
  },
  "hsl": {
    "h": 233.824,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.54321,
    "c": 0.18539,
    "h": 273.6
  },
  "luminance": 0.14944
}

Semantic roles & 50–950 ramp

primary

#515FD9

secondary

#DED8A8

accent

#D641E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #515FD9

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

Preview Lab → · Contrast checker → · Palette generator →