#516EDD#516EDD

#516EDD is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.5% C 0.172 H 269.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#516EDD
RGB	rgb(81, 110, 221)
HSL	hsl(228, 67%, 59%)
HSV	hsv(228, 63%, 87%)
CMYK	cmyk(63.3%, 50.2%, 0%, 13.3%)
CIE-LAB	lab(49.64, 24.13, -60.04)
CIE-LCH	lch(49.64, 64.71, 291.90°)
OKLab	oklab(57.48% -0.002 -0.1721)
OKLCH	oklch(57.48% 0.172 269.3)
XYZ	xyz(22.0160, 18.1197, 70.7298)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EDD #DDC051

analogous

#51B4DD #516EDD #7A51DD

triadic

#516EDD #DD516E #6EDD51

tetradic

#516EDD #DD51B4 #DDC051 #51DD7A

square

#516EDD #DD51B4 #DDC051 #51DD7A

split-complementary

#516EDD #DD7A51 #B4DD51

monochromatic

#1D3696 #2749C9 #516EDD #8499E7 #B7C3F1

Accessibility & contrast

On white

4.54

#516EDD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#516EDD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516EDD

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EDD	#FFFFFF	#000000	##000000
##516EDD	1.00	4.54	4.62	4.62
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F7DE1

Deuteranopia (green-blind)

#0070DB

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #516edd;
/* rgb */ color: rgb(81, 110, 221);
/* oklch */ color: oklch(57.5% 0.172 269.3);

Tailwind

colors: {
  custom: {
    50: '#8f97e8',
    500: '#516edd',
    950: '#000000',
  },
}

SCSS

$custom: #516edd;
$custom-light: #8f97e8;
$custom-dark: #000000;

JSON

{
  "hex": "#516edd",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 221
  },
  "hsl": {
    "h": 227.571,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.5748,
    "c": 0.1721,
    "h": 269.3
  },
  "luminance": 0.18122
}

Semantic roles & 50–950 ramp

primary

#516EDD

secondary

#E0D5AA

accent

#C63EEA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516EDD

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

Preview Lab → · Contrast checker → · Palette generator →