#81BBDE#81BBDE

#81BBDE is a light, moderate cyan. Relative luminance 0.455; OKLCH L 76.5% C 0.078 H 235.7°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#81BBDE
RGB	rgb(129, 187, 222)
HSL	hsl(203, 58%, 69%)
HSV	hsv(203, 42%, 87%)
CMYK	cmyk(41.9%, 15.8%, 0%, 12.9%)
CIE-LAB	lab(73.21, -9.80, -23.42)
CIE-LCH	lch(73.21, 25.39, 247.29°)
OKLab	oklab(76.5% -0.0442 -0.0647)
OKLCH	oklch(76.5% 0.078 235.7)
XYZ	xyz(40.0039, 45.4791, 75.7635)
Luminance	0.4548 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BBDE #DEA481

analogous

#81DED3 #81BBDE #818DDE

triadic

#81BBDE #DE81BB #BBDE81

tetradic

#81BBDE #D381DE #DEA481 #8DDE81

square

#81BBDE #D381DE #DEA481 #8DDE81

split-complementary

#81BBDE #DE818D #DED381

monochromatic

#2F83B5 #51A1D1 #81BBDE #B1D5EB #E2EFF7

Accessibility & contrast

On white

2.08

#81BBDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#81BBDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BBDE

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BBDE	#FFFFFF	#000000	##000000
##81BBDE	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBAE0

Deuteranopia (green-blind)

#9EAFDD

Tritanopia (blue-blind)

#5CC4C6

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #81bbde;
/* rgb */ color: rgb(129, 187, 222);
/* oklch */ color: oklch(76.5% 0.078 235.7);

Tailwind

colors: {
  custom: {
    50: '#a9cfe8',
    500: '#81bbde',
    950: '#000000',
  },
}

SCSS

$custom: #81bbde;
$custom-light: #a9cfe8;
$custom-dark: #000000;

JSON

{
  "hex": "#81bbde",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 222
  },
  "hsl": {
    "h": 202.581,
    "s": 58.491,
    "l": 68.824
  },
  "oklch": {
    "l": 0.76495,
    "c": 0.07837,
    "h": 235.7
  },
  "luminance": 0.45482
}

Semantic roles & 50–950 ramp

primary

#81BBDE

secondary

#EBDAD0

accent

#5E1FC6

background

#FAFCFE

surface

#F4F9FC

border

#CED2D5

text

#101316

muted

#7F8284

Preview Lab

Preview with #81BBDE

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

Preview Lab → · Contrast checker → · Palette generator →