#516EBA#516EBA

#516EBA is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.2% C 0.123 H 266.7°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#516EBA
RGB	rgb(81, 110, 186)
HSL	hsl(223, 43%, 52%)
HSV	hsv(223, 56%, 73%)
CMYK	cmyk(56.5%, 40.9%, 0%, 27.1%)
CIE-LAB	lab(47.55, 12.29, -43.36)
CIE-LCH	lch(47.55, 45.06, 285.82°)
OKLab	oklab(55.21% -0.0072 -0.1231)
OKLCH	oklch(55.21% 0.123 266.7)
XYZ	xyz(17.8292, 16.4450, 48.6795)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EBA #BA9D51

analogous

#51A2BA #516EBA #6951BA

triadic

#516EBA #BA516E #6EBA51

tetradic

#516EBA #BA51A2 #BA9D51 #51BA69

square

#516EBA #BA51A2 #BA9D51 #51BA69

split-complementary

#516EBA #BA6951 #A2BA51

monochromatic

#293A68 #3A5393 #516EBA #7D93CB #A9B7DD

Accessibility & contrast

On white

4.90

#516EBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#516EBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EBA

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EBA	#FFFFFF	#000000	##FFFFFF
##516EBA	1.00	4.90	4.29	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E76BD

Deuteranopia (green-blind)

#416CB8

Tritanopia (blue-blind)

#0C7F8B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #516eba;
/* rgb */ color: rgb(81, 110, 186);
/* oklch */ color: oklch(55.2% 0.123 266.7);

Tailwind

colors: {
  custom: {
    50: '#8a97cf',
    500: '#516eba',
    950: '#000000',
  },
}

SCSS

$custom: #516eba;
$custom-light: #8a97cf;
$custom-dark: #000000;

JSON

{
  "hex": "#516eba",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 186
  },
  "hsl": {
    "h": 223.429,
    "s": 43.21,
    "l": 52.353
  },
  "oklch": {
    "l": 0.55212,
    "c": 0.1233,
    "h": 266.7
  },
  "luminance": 0.16446
}

Semantic roles & 50–950 ramp

primary

#516EBA

secondary

#CABE9D

accent

#B055D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #516EBA

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

Preview Lab → · Contrast checker → · Palette generator →