#51A2BF#51A2BF

#51A2BF is a light, moderate cyan. Relative luminance 0.314; OKLCH L 67.3% C 0.090 H 224.0°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX#51A2BF
RGBrgb(81, 162, 191)
HSLhsl(196, 46%, 53%)
HSVhsv(196, 58%, 75%)
CMYKcmyk(57.6%, 15.2%, 0%, 25.1%)
CIE-LABlab(62.80, -16.28, -22.42)
CIE-LCHlch(62.80, 27.71, 234.02°)
OKLaboklab(67.27% -0.0645 -0.0623)
OKLCHoklch(67.27% 0.09 224)
XYZxyz(25.7140, 31.3491, 53.9760)
Luminance0.3135 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51A2BF #BF6E51
analogous
#51BFA5 #51A2BF #516BBF
triadic
#51A2BF #BF51A2 #A2BF51
tetradic
#51A2BF #A551BF #BF6E51 #6BBF51
square
#51A2BF #A551BF #BF6E51 #6BBF51
split-complementary
#51A2BF #BF516B #BFA551
monochromatic
#285B6D #39809A #51A2BF #7EBACF #AAD2E0

Accessibility & contrast

On white

2.89
#51A2BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.27
#51A2BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A2BF
7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51A2BF#FFFFFF#000000##000000
##51A2BF1.002.897.277.27
#FFFFFF2.891.0021.0021.00
#0000007.2721.001.001.00
##0000007.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#929FC1
Deuteranopia (green-blind)
#8293BF
Tritanopia (blue-blind)
#00ABAB
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #51a2bf;
/* rgb */ color: rgb(81, 162, 191);
/* oklch */ color: oklch(67.3% 0.090 224.0);
Tailwind
colors: {
  custom: {
    50: '#8bbdd2',
    500: '#51a2bf',
    950: '#000000',
  },
}
SCSS
$custom: #51a2bf;
$custom-light: #8bbdd2;
$custom-dark: #000000;
JSON
{
  "hex": "#51a2bf",
  "rgb": {
    "r": 81,
    "g": 162,
    "b": 191
  },
  "hsl": {
    "h": 195.818,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.67273,
    "c": 0.08969,
    "h": 224
  },
  "luminance": 0.31352
}

Semantic roles & 50–950 ramp

primary
#51A2BF
secondary
#CEAB9E
accent
#7552D6
background
#F9FBFC
surface
#F1F6F9
border
#CBD0D2
text
#0D1214
muted
#7E8182

Preview Lab

Preview with #51A2BF

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

Preview Lab → · Contrast checker → · Palette generator →

#51A2BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva