#81BCD8#81BCD8

#81BCD8 is a light, moderate cyan. Relative luminance 0.456; OKLCH L 76.5% C 0.073 H 229.3°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#81BCD8
RGB	rgb(129, 188, 216)
HSL	hsl(199, 53%, 68%)
HSV	hsv(199, 40%, 85%)
CMYK	cmyk(40.3%, 13%, 0%, 15.3%)
CIE-LAB	lab(73.28, -11.92, -20.05)
CIE-LCH	lch(73.28, 23.33, 239.26°)
OKLab	oklab(76.48% -0.0476 -0.0552)
OKLCH	oklch(76.48% 0.073 229.3)
XYZ	xyz(39.4269, 45.5889, 71.6744)
Luminance	0.4559 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BCD8 #D89D81

analogous

#81D8C8 #81BCD8 #8191D8

triadic

#81BCD8 #D881BC #BCD881

tetradic

#81BCD8 #C881D8 #D89D81 #91D881

square

#81BCD8 #C881D8 #D89D81 #91D881

split-complementary

#81BCD8 #D88191 #D8C881

monochromatic

#3584AA #52A3CA #81BCD8 #B0D5E6 #DEEEF5

Accessibility & contrast

On white

2.08

#81BCD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#81BCD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BCD8

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BCD8	#FFFFFF	#000000	##000000
##81BCD8	1.00	2.08	10.12	10.12
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEBAD9

Deuteranopia (green-blind)

#A1B0D8

Tritanopia (blue-blind)

#5FC4C5

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #81bcd8;
/* rgb */ color: rgb(129, 188, 216);
/* oklch */ color: oklch(76.5% 0.073 229.3);

Tailwind

colors: {
  custom: {
    50: '#a9d0e4',
    500: '#81bcd8',
    950: '#000000',
  },
}

SCSS

$custom: #81bcd8;
$custom-light: #a9d0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#81bcd8",
  "rgb": {
    "r": 129,
    "g": 188,
    "b": 216
  },
  "hsl": {
    "h": 199.31,
    "s": 52.727,
    "l": 67.647
  },
  "oklch": {
    "l": 0.76483,
    "c": 0.07291,
    "h": 229.3
  },
  "luminance": 0.45591
}

Semantic roles & 50–950 ramp

primary

#81BCD8

secondary

#E8D6CD

accent

#5725C0

background

#FAFCFD

surface

#F4F9FB

border

#CED2D4

text

#101415

muted

#7F8283

Preview Lab

Preview with #81BCD8

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

Preview Lab → · Contrast checker → · Palette generator →