#81BCDB#81BCDB

#81BCDB is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.6% C 0.075 H 232.0°. Best body text is #000000 at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#81BCDB
RGB	rgb(129, 188, 219)
HSL	hsl(201, 56%, 68%)
HSV	hsv(201, 41%, 86%)
CMYK	cmyk(41.1%, 14.2%, 0%, 14.1%)
CIE-LAB	lab(73.38, -11.13, -21.53)
CIE-LCH	lch(73.38, 24.24, 242.66°)
OKLab	oklab(76.6% -0.0465 -0.0594)
OKLCH	oklch(76.6% 0.075 232)
XYZ	xyz(39.8183, 45.7455, 73.7357)
Luminance	0.4575 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BCDB #DBA081

analogous

#81DBCD #81BCDB #818FDB

triadic

#81BCDB #DB81BC #BCDB81

tetradic

#81BCDB #CD81DB #DBA081 #8FDB81

square

#81BCDB #CD81DB #DBA081 #8FDB81

split-complementary

#81BCDB #DB818F #DBCD81

monochromatic

#3284AF #51A3CD #81BCDB #B1D5E9 #E0EFF6

Accessibility & contrast

On white

2.07

#81BCDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.15

#81BCDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BCDB

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BCDB	#FFFFFF	#000000	##000000
##81BCDB	1.00	2.07	10.15	10.15
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.15	21.00	1.00	1.00
##000000	10.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADBADD

Deuteranopia (green-blind)

#A0B0DB

Tritanopia (blue-blind)

#5DC5C6

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #81bcdb;
/* rgb */ color: rgb(129, 188, 219);
/* oklch */ color: oklch(76.6% 0.075 232.0);

Tailwind

colors: {
  custom: {
    50: '#a9d0e6',
    500: '#81bcdb',
    950: '#000000',
  },
}

SCSS

$custom: #81bcdb;
$custom-light: #a9d0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#81bcdb",
  "rgb": {
    "r": 129,
    "g": 188,
    "b": 219
  },
  "hsl": {
    "h": 200.667,
    "s": 55.556,
    "l": 68.235
  },
  "oklch": {
    "l": 0.76598,
    "c": 0.07542,
    "h": 232
  },
  "luminance": 0.45748
}

Semantic roles & 50–950 ramp

primary

#81BCDB

secondary

#EAD8CE

accent

#5A22C3

background

#FAFCFE

surface

#F4F9FC

border

#CED2D5

text

#101416

muted

#7F8284

Preview Lab

Preview with #81BCDB

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

Preview Lab → · Contrast checker → · Palette generator →