#51A0BE#51A0BE

#51A0BE is a light, moderate cyan. Relative luminance 0.306; OKLCH L 66.8% C 0.089 H 225.4°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).

Color values

HEX#51A0BE
RGBrgb(81, 160, 190)
HSLhsl(197, 46%, 53%)
HSVhsv(197, 57%, 75%)
CMYKcmyk(57.4%, 15.8%, 0%, 25.5%)
CIE-LABlab(62.17, -15.51, -22.82)
CIE-LCHlch(62.17, 27.60, 235.80°)
OKLaboklab(66.76% -0.0626 -0.0635)
OKLCHoklch(66.76% 0.089 225.4)
XYZxyz(25.2548, 30.6063, 53.2819)
Luminance0.3061 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51A0BE #BE6F51
analogous
#51BEA6 #51A0BE #5169BE
triadic
#51A0BE #BE51A0 #A0BE51
tetradic
#51A0BE #A651BE #BE6F51 #69BE51
square
#51A0BE #A651BE #BE6F51 #69BE51
split-complementary
#51A0BE #BE5169 #BEA651
monochromatic
#285A6C #397E99 #51A0BE #7EB8CF #AAD1DF

Accessibility & contrast

On white

2.95
#51A0BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.12
#51A0BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51A0BE
7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51A0BE#FFFFFF#000000##000000
##51A0BE1.002.957.127.12
#FFFFFF2.951.0021.0021.00
#0000007.1221.001.001.00
##0000007.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#909DC0
Deuteranopia (green-blind)
#8091BE
Tritanopia (blue-blind)
#00A9AA
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #51a0be;
/* rgb */ color: rgb(81, 160, 190);
/* oklch */ color: oklch(66.8% 0.089 225.4);
Tailwind
colors: {
  custom: {
    50: '#8bbcd1',
    500: '#51a0be',
    950: '#000000',
  },
}
SCSS
$custom: #51a0be;
$custom-light: #8bbcd1;
$custom-dark: #000000;
JSON
{
  "hex": "#51a0be",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 190
  },
  "hsl": {
    "h": 196.514,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.6676,
    "c": 0.08918,
    "h": 225.4
  },
  "luminance": 0.30609
}

Semantic roles & 50–950 ramp

primary
#51A0BE
secondary
#CDAB9E
accent
#7753D5
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0D1214
muted
#7D8182

Preview Lab

Preview with #51A0BE

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

Preview Lab → · Contrast checker → · Palette generator →

#51A0BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva