#51ACCE#51ACCE

#51ACCE is a light, moderate cyan. Relative luminance 0.357; OKLCH L 70.2% C 0.099 H 225.4°. Best body text is #000000 at 8.14:1 contrast (WCAG AA passes).

Color values

HEX#51ACCE
RGBrgb(81, 172, 206)
HSLhsl(196, 56%, 56%)
HSVhsv(196, 61%, 81%)
CMYKcmyk(60.7%, 16.5%, 0%, 19.2%)
CIE-LABlab(66.30, -17.03, -25.41)
CIE-LCHlch(66.30, 30.59, 236.17°)
OKLaboklab(70.25% -0.0697 -0.0708)
OKLCHoklch(70.25% 0.099 225.4)
XYZxyz(29.2821, 35.7077, 63.7297)
Luminance0.3571 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51ACCE #CE7351
analogous
#51CEB2 #51ACCE #516ECE
triadic
#51ACCE #CE51AC #ACCE51
tetradic
#51ACCE #B251CE #CE7351 #6ECE51
square
#51ACCE #B251CE #CE7351 #6ECE51
split-complementary
#51ACCE #CE516E #CEB251
monochromatic
#246780 #328EB0 #51ACCE #81C3DB #B1DAE9

Accessibility & contrast

On white

2.58
#51ACCE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.14
#51ACCE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ACCE
8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51ACCE#FFFFFF#000000##000000
##51ACCE1.002.588.148.14
#FFFFFF2.581.0021.0021.00
#0000008.1421.001.001.00
##0000008.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#99A9D0
Deuteranopia (green-blind)
#889BCE
Tritanopia (blue-blind)
#00B6B7
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #51acce;
/* rgb */ color: rgb(81, 172, 206);
/* oklch */ color: oklch(70.2% 0.099 225.4);
Tailwind
colors: {
  custom: {
    50: '#8dc4dd',
    500: '#51acce',
    950: '#000000',
  },
}
SCSS
$custom: #51acce;
$custom-light: #8dc4dd;
$custom-dark: #000000;
JSON
{
  "hex": "#51acce",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 206
  },
  "hsl": {
    "h": 196.32,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.70248,
    "c": 0.09937,
    "h": 225.4
  },
  "luminance": 0.35711
}

Semantic roles & 50–950 ramp

primary
#51ACCE
secondary
#D7B2A4
accent
#7148DF
background
#F9FCFD
surface
#F1F8FB
border
#CBD1D4
text
#0D1215
muted
#7E8183

Preview Lab

Preview with #51ACCE

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

Preview Lab → · Contrast checker → · Palette generator →

#51ACCE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva