#519BB5#519BB5

#519BB5 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.2% C 0.083 H 223.3°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX#519BB5
RGBrgb(81, 155, 181)
HSLhsl(196, 40%, 51%)
HSVhsv(196, 55%, 71%)
CMYKcmyk(55.2%, 14.4%, 0%, 29%)
CIE-LABlab(60.36, -15.54, -20.53)
CIE-LCHlch(60.36, 25.75, 232.89°)
OKLaboklab(65.2% -0.0604 -0.057)
OKLCHoklch(65.2% 0.083 223.3)
XYZxyz(23.4520, 28.5261, 47.9773)
Luminance0.2853 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#519BB5 #B56B51
analogous
#51B59D #519BB5 #5169B5
triadic
#519BB5 #B5519B #9BB551
tetradic
#519BB5 #9D51B5 #B56B51 #69B551
square
#519BB5 #9D51B5 #B56B51 #69B551
split-complementary
#519BB5 #B55169 #B59D51
monochromatic
#2A5362 #3C788D #519BB5 #7CB4C7 #A7CCDA

Accessibility & contrast

On white

3.13
#519BB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.71
#519BB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #519BB5
6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##519BB5#FFFFFF#000000##000000
##519BB51.003.136.716.71
#FFFFFF3.131.0021.0021.00
#0000006.7121.001.001.00
##0000006.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C98B6
Deuteranopia (green-blind)
#7E8DB5
Tritanopia (blue-blind)
#00A3A3
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #519bb5;
/* rgb */ color: rgb(81, 155, 181);
/* oklch */ color: oklch(65.2% 0.083 223.3);
Tailwind
colors: {
  custom: {
    50: '#8ab8cb',
    500: '#519bb5',
    950: '#000000',
  },
}
SCSS
$custom: #519bb5;
$custom-light: #8ab8cb;
$custom-dark: #000000;
JSON
{
  "hex": "#519bb5",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 181
  },
  "hsl": {
    "h": 195.6,
    "s": 40.323,
    "l": 51.373
  },
  "oklch": {
    "l": 0.65203,
    "c": 0.08307,
    "h": 223.3
  },
  "luminance": 0.28528
}

Semantic roles & 50–950 ramp

primary
#519BB5
secondary
#C7A69B
accent
#7758D0
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1113
muted
#7D8082

Preview Lab

Preview with #519BB5

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

Preview Lab → · Contrast checker → · Palette generator →

#519BB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva