#51BBCE#51BBCE

#51BBCE is a light, moderate teal. Relative luminance 0.417; OKLCH L 73.8% C 0.100 H 211.2°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX#51BBCE
RGBrgb(81, 187, 206)
HSLhsl(189, 56%, 56%)
HSVhsv(189, 61%, 81%)
CMYKcmyk(60.7%, 9.2%, 0%, 19.2%)
CIE-LABlab(70.69, -24.76, -18.70)
CIE-LCHlch(70.69, 31.03, 217.07°)
OKLaboklab(73.77% -0.0857 -0.0519)
OKLCHoklch(73.77% 0.1 211.2)
XYZxyz(32.2997, 41.7429, 64.7355)
Luminance0.4175 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BBCE #CE6451
analogous
#51CEA3 #51BBCE #517DCE
triadic
#51BBCE #CE51BB #BBCE51
tetradic
#51BBCE #A351CE #CE6451 #7DCE51
square
#51BBCE #A351CE #CE6451 #7DCE51
split-complementary
#51BBCE #CE517D #CEA351
monochromatic
#247280 #329DB0 #51BBCE #81CEDB #B1E0E9

Accessibility & contrast

On white

2.25
#51BBCE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.35
#51BBCE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BBCE
9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BBCE#FFFFFF#000000##000000
##51BBCE1.002.259.359.35
#FFFFFF2.251.0021.0021.00
#0000009.3521.001.001.00
##0000009.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#ABB5CF
Deuteranopia (green-blind)
#99A7CE
Tritanopia (blue-blind)
#00C3C1
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #51bbce;
/* rgb */ color: rgb(81, 187, 206);
/* oklch */ color: oklch(73.8% 0.100 211.2);
Tailwind
colors: {
  custom: {
    50: '#8ecfdd',
    500: '#51bbce',
    950: '#000000',
  },
}
SCSS
$custom: #51bbce;
$custom-light: #8ecfdd;
$custom-dark: #000000;
JSON
{
  "hex": "#51bbce",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 206
  },
  "hsl": {
    "h": 189.12,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.73771,
    "c": 0.10014,
    "h": 211.2
  },
  "luminance": 0.41746
}

Semantic roles & 50–950 ramp

primary
#51BBCE
secondary
#D7ABA4
accent
#5F48DF
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0D1415
muted
#7E8283

Preview Lab

Preview with #51BBCE

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

Preview Lab → · Contrast checker → · Palette generator →

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