#81BDCB#81BDCB

#81BDCB is a light, moderate cyan. Relative luminance 0.454; OKLCH L 76.2% C 0.065 H 213.9°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX#81BDCB
RGBrgb(129, 189, 203)
HSLhsl(191, 42%, 65%)
HSVhsv(191, 36%, 80%)
CMYKcmyk(36.5%, 6.9%, 0%, 20.4%)
CIE-LABlab(73.14, -15.78, -13.19)
CIE-LCHlch(73.14, 20.56, 219.89°)
OKLaboklab(76.23% -0.0538 -0.0361)
OKLCHoklch(76.23% 0.065 213.9)
XYZxyz(38.0266, 45.3718, 63.2422)
Luminance0.4537 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81BDCB #CB8F81
analogous
#81CBB4 #81BDCB #8198CB
triadic
#81BDCB #CB81BD #BDCB81
tetradic
#81BDCB #B481CB #CB8F81 #98CB81
square
#81BDCB #B481CB #CB8F81 #98CB81
split-complementary
#81BDCB #CB8198 #CBB481
monochromatic
#3D8494 #56A6B9 #81BDCB #ACD4DD #D8EAEF

Accessibility & contrast

On white

2.08
#81BDCB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.07
#81BDCB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BDCB
10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81BDCB#FFFFFF#000000##000000
##81BDCB1.002.0810.0710.07
#FFFFFF2.081.0021.0021.00
#00000010.0721.001.001.00
##00000010.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B2B9CC
Deuteranopia (green-blind)
#A6B0CB
Tritanopia (blue-blind)
#65C3C1
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #81bdcb;
/* rgb */ color: rgb(129, 189, 203);
/* oklch */ color: oklch(76.2% 0.065 213.9);
Tailwind
colors: {
  custom: {
    50: '#a8d1da',
    500: '#81bdcb',
    950: '#000000',
  },
}
SCSS
$custom: #81bdcb;
$custom-light: #a8d1da;
$custom-dark: #000000;
JSON
{
  "hex": "#81bdcb",
  "rgb": {
    "r": 129,
    "g": 189,
    "b": 203
  },
  "hsl": {
    "h": 191.351,
    "s": 41.573,
    "l": 65.098
  },
  "oklch": {
    "l": 0.76231,
    "c": 0.06479,
    "h": 213.9
  },
  "luminance": 0.45374
}

Semantic roles & 50–950 ramp

primary
#81BDCB
secondary
#E0CCC7
accent
#4A31B5
background
#FAFCFD
surface
#F4F9FA
border
#CED2D3
text
#101414
muted
#7F8283

Preview Lab

Preview with #81BDCB

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

Preview Lab → · Contrast checker → · Palette generator →

#81BDCB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva