#516ECB#516ECB

#516ECB is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.3% C 0.147 H 268.4°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#516ECB
RGB	rgb(81, 110, 203)
HSL	hsl(226, 54%, 56%)
HSV	hsv(226, 60%, 80%)
CMYK	cmyk(60.1%, 45.8%, 0%, 20.4%)
CIE-LAB	lab(48.53, 18.00, -51.59)
CIE-LCH	lch(48.53, 54.64, 289.23°)
OKLab	oklab(56.27% -0.0042 -0.1472)
OKLCH	oklch(56.27% 0.147 268.4)
XYZ	xyz(19.7451, 17.2113, 58.7699)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ECB #CBAE51

analogous

#51ABCB #516ECB #7151CB

triadic

#516ECB #CB516E #6ECB51

tetradic

#516ECB #CB51AB #CBAE51 #51CB71

square

#516ECB #CB51AB #CBAE51 #51CB71

split-complementary

#516ECB #CB7151 #ABCB51

monochromatic

#253A7C #3350AC #516ECB #8095D9 #AFBDE7

Accessibility & contrast

On white

4.73

#516ECB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#516ECB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516ECB

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ECB	#FFFFFF	#000000	##FFFFFF
##516ECB	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4279CE

Deuteranopia (green-blind)

#2F6EC9

Tritanopia (blue-blind)

#008393

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #516ecb;
/* rgb */ color: rgb(81, 110, 203);
/* oklch */ color: oklch(56.3% 0.147 268.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#516ecb",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 203
  },
  "hsl": {
    "h": 225.738,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.56273,
    "c": 0.14731,
    "h": 268.4
  },
  "luminance": 0.17213
}

Semantic roles & 50–950 ramp

primary

#516ECB

secondary

#D5C9A3

accent

#BA4ADD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516ECB

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

Preview Lab → · Contrast checker → · Palette generator →