#51659C#51659C

#51659C is a mid, moderate blue. Relative luminance 0.135; OKLCH L 51.5% C 0.091 H 268.0°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX#51659C
RGBrgb(81, 101, 156)
HSLhsl(224, 32%, 46%)
HSVhsv(224, 48%, 61%)
CMYKcmyk(48.1%, 35.3%, 0%, 38.8%)
CIE-LABlab(43.44, 8.13, -32.27)
CIE-LCHlch(43.44, 33.27, 284.14°)
OKLaboklab(51.52% -0.0032 -0.0908)
OKLCHoklch(51.52% 0.091 268)
XYZxyz(14.0458, 13.4561, 33.3032)
Luminance0.1346 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51659C #9C8851
analogous
#518B9C #51659C #63519C
triadic
#51659C #9C5165 #659C51
tetradic
#51659C #9C518B #9C8851 #519C63
square
#51659C #9C518B #9C8851 #519C63
split-complementary
#51659C #9C6351 #8B9C51
monochromatic
#27314B #3C4B74 #51659C #7485B7 #9CA9CC

Accessibility & contrast

On white

5.69
#51659C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.69
#51659C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51659C
5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51659C#FFFFFF#000000##FFFFFF
##51659C1.005.693.695.69
#FFFFFF5.691.0021.001.00
#0000003.6921.001.0021.00
##FFFFFF5.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#516A9E
Deuteranopia (green-blind)
#49649B
Tritanopia (blue-blind)
#347179
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #51659c;
/* rgb */ color: rgb(81, 101, 156);
/* oklch */ color: oklch(51.5% 0.091 268.0);
Tailwind
colors: {
  custom: {
    50: '#8690b9',
    500: '#51659c',
    950: '#000000',
  },
}
SCSS
$custom: #51659c;
$custom-light: #8690b9;
$custom-dark: #000000;
JSON
{
  "hex": "#51659c",
  "rgb": {
    "r": 81,
    "g": 101,
    "b": 156
  },
  "hsl": {
    "h": 224,
    "s": 31.646,
    "l": 46.471
  },
  "oklch": {
    "l": 0.51523,
    "c": 0.09085,
    "h": 268
  },
  "luminance": 0.13457
}

Semantic roles & 50–950 ramp

primary
#51659C
secondary
#B8AE90
accent
#AC60C8
background
#F8F8FB
surface
#F0F0F6
border
#CBCBD0
text
#0B0C11
muted
#7C7D80

Preview Lab

Preview with #51659C

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

Preview Lab → · Contrast checker → · Palette generator →

#51659C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva