#516ECA#516ECA

#516ECA is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.2% C 0.146 H 268.3°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#516ECA
RGB	rgb(81, 110, 202)
HSL	hsl(226, 53%, 55%)
HSV	hsv(226, 60%, 79%)
CMYK	cmyk(59.9%, 45.5%, 0%, 20.8%)
CIE-LAB	lab(48.47, 17.66, -51.11)
CIE-LCH	lch(48.47, 54.08, 289.06°)
OKLab	oklab(56.21% -0.0044 -0.1458)
OKLCH	oklch(56.21% 0.146 268.3)
XYZ	xyz(19.6263, 17.1638, 58.1444)
Luminance	0.1716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ECA #CAAD51

analogous

#51AACA #516ECA #7051CA

triadic

#516ECA #CA516E #6ECA51

tetradic

#516ECA #CA51AA #CAAD51 #51CA70

square

#516ECA #CA51AA #CAAD51 #51CA70

split-complementary

#516ECA #CA7051 #AACA51

monochromatic

#253A7B #3450AA #516ECA #8095D8 #AFBCE7

Accessibility & contrast

On white

4.74

#516ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#516ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516ECA

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ECA	#FFFFFF	#000000	##FFFFFF
##516ECA	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4379CD

Deuteranopia (green-blind)

#306EC8

Tritanopia (blue-blind)

#008392

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516eca;
/* rgb */ color: rgb(81, 110, 202);
/* oklch */ color: oklch(56.2% 0.146 268.3);

Tailwind

colors: {
  custom: {
    50: '#8c97db',
    500: '#516eca',
    950: '#000000',
  },
}

SCSS

$custom: #516eca;
$custom-light: #8c97db;
$custom-dark: #000000;

JSON

{
  "hex": "#516eca",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 202
  },
  "hsl": {
    "h": 225.62,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.56208,
    "c": 0.14591,
    "h": 268.3
  },
  "luminance": 0.17165
}

Semantic roles & 50–950 ramp

primary

#516ECA

secondary

#D5C9A2

accent

#BA4BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516ECA

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

Preview Lab → · Contrast checker → · Palette generator →