#516EDA#516EDA

#516EDA is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.3% C 0.168 H 269.2°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#516EDA
RGB	rgb(81, 110, 218)
HSL	hsl(227, 65%, 59%)
HSV	hsv(227, 63%, 85%)
CMYK	cmyk(62.8%, 49.5%, 0%, 14.5%)
CIE-LAB	lab(49.45, 23.11, -58.65)
CIE-LCH	lch(49.45, 63.04, 291.51°)
OKLab	oklab(57.27% -0.0023 -0.168)
OKLCH	oklch(57.27% 0.168 269.2)
XYZ	xyz(21.6199, 17.9612, 68.6436)
Luminance	0.1796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EDA #DABD51

analogous

#51B2DA #516EDA #7851DA

triadic

#516EDA #DA516E #6EDA51

tetradic

#516EDA #DA51B2 #DABD51 #51DA78

square

#516EDA #DA51B2 #DABD51 #51DA78

split-complementary

#516EDA #DA7851 #B2DA51

monochromatic

#1F3792 #2A4AC4 #516EDA #8398E5 #B6C2EF

Accessibility & contrast

On white

4.57

#516EDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#516EDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #516EDA

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EDA	#FFFFFF	#000000	##000000
##516EDA	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#337CDE

Deuteranopia (green-blind)

#0F70D8

Tritanopia (blue-blind)

#00879A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #516eda;
/* rgb */ color: rgb(81, 110, 218);
/* oklch */ color: oklch(57.3% 0.168 269.2);

Tailwind

colors: {
  custom: {
    50: '#8f97e6',
    500: '#516eda',
    950: '#000000',
  },
}

SCSS

$custom: #516eda;
$custom-light: #8f97e6;
$custom-dark: #000000;

JSON

{
  "hex": "#516eda",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 218
  },
  "hsl": {
    "h": 227.299,
    "s": 64.929,
    "l": 58.627
  },
  "oklch": {
    "l": 0.57273,
    "c": 0.16802,
    "h": 269.2
  },
  "luminance": 0.17963
}

Semantic roles & 50–950 ramp

primary

#516EDA

secondary

#DED3A8

accent

#C440E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #516EDA

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

Preview Lab → · Contrast checker → · Palette generator →