#515FD5#515FD5

#515FD5 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 54.0% C 0.180 H 273.6°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#515FD5
RGB	rgb(81, 95, 213)
HSL	hsl(234, 61%, 58%)
HSV	hsv(234, 62%, 84%)
CMYK	cmyk(62%, 55.4%, 0%, 16.5%)
CIE-LAB	lab(45.27, 30.76, -62.55)
CIE-LCH	lch(45.27, 69.70, 296.18°)
OKLab	oklab(54.02% 0.0115 -0.1797)
OKLCH	oklch(54.02% 0.18 273.6)
XYZ	xyz(19.4918, 14.7362, 64.7551)
Luminance	0.1474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515FD5 #D5C751

analogous

#51A1D5 #515FD5 #8551D5

triadic

#515FD5 #D5515F #5FD551

tetradic

#515FD5 #D551A1 #D5C751 #51D585

square

#515FD5 #D551A1 #D5C751 #51D585

split-complementary

#515FD5 #D58551 #A1D551

monochromatic

#212C8A #2D3CBC #515FD5 #828CE1 #B4BAED

Accessibility & contrast

On white

5.32

#515FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#515FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #515FD5

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515FD5	#FFFFFF	#000000	##FFFFFF
##515FD5	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071D9

Deuteranopia (green-blind)

#0066D3

Tritanopia (blue-blind)

#007B91

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #515fd5;
/* rgb */ color: rgb(81, 95, 213);
/* oklch */ color: oklch(54.0% 0.180 273.6);

Tailwind

colors: {
  custom: {
    50: '#8f8ce3',
    500: '#515fd5',
    950: '#000000',
  },
}

SCSS

$custom: #515fd5;
$custom-light: #8f8ce3;
$custom-dark: #000000;

JSON

{
  "hex": "#515fd5",
  "rgb": {
    "r": 81,
    "g": 95,
    "b": 213
  },
  "hsl": {
    "h": 233.636,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.5402,
    "c": 0.18003,
    "h": 273.6
  },
  "luminance": 0.14738
}

Semantic roles & 50–950 ramp

primary

#515FD5

secondary

#DBD6A6

accent

#D344E4

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C15

muted

#7E7D84

Preview Lab

Preview with #515FD5

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

Preview Lab → · Contrast checker → · Palette generator →