#81BDF9#81BDF9

#81BDF9 is a light, moderate cyan. Relative luminance 0.479; OKLCH L 78.1% C 0.106 H 249.3°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#81BDF9
RGB	rgb(129, 189, 249)
HSL	hsl(210, 91%, 74%)
HSV	hsv(210, 48%, 98%)
CMYK	cmyk(48.2%, 24.1%, 0%, 2.4%)
CIE-LAB	lab(74.76, -3.42, -35.64)
CIE-LCH	lch(74.76, 35.80, 264.52°)
OKLab	oklab(78.05% -0.0375 -0.0995)
OKLCH	oklch(78.05% 0.106 249.3)
XYZ	xyz(44.3438, 47.8987, 96.5128)
Luminance	0.4790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BDF9 #F9BD81

analogous

#81F9F9 #81BDF9 #8181F9

triadic

#81BDF9 #F981BD #BDF981

tetradic

#81BDF9 #F981F9 #F9BD81 #81F981

square

#81BDF9 #F981F9 #F9BD81 #81F981

split-complementary

#81BDF9 #F98181 #F9F981

monochromatic

#0C80F3 #479EF6 #81BDF9 #BBDCFC #E2F0FE

Accessibility & contrast

On white

1.98

#81BDF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.58

#81BDF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BDF9

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BDF9	#FFFFFF	#000000	##000000
##81BDF9	1.00	1.98	10.58	10.58
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.58	21.00	1.00	1.00
##000000	10.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5BFFC

Deuteranopia (green-blind)

#95B3F8

Tritanopia (blue-blind)

#49CBD1

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81bdf9;
/* rgb */ color: rgb(129, 189, 249);
/* oklch */ color: oklch(78.1% 0.106 249.3);

Tailwind

colors: {
  custom: {
    50: '#abd0fb',
    500: '#81bdf9',
    950: '#000000',
  },
}

SCSS

$custom: #81bdf9;
$custom-light: #abd0fb;
$custom-dark: #000000;

JSON

{
  "hex": "#81bdf9",
  "rgb": {
    "r": 129,
    "g": 189,
    "b": 249
  },
  "hsl": {
    "h": 210,
    "s": 90.909,
    "l": 74.118
  },
  "oklch": {
    "l": 0.78054,
    "c": 0.10634,
    "h": 249.3
  },
  "luminance": 0.47902
}

Semantic roles & 50–950 ramp

primary

#81BDF9

secondary

#F6E6D5

accent

#7300E6

background

#FAFCFF

surface

#F5F9FF

border

#CFD2D7

text

#111417

muted

#808285

Preview Lab

Preview with #81BDF9

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

Preview Lab → · Contrast checker → · Palette generator →