#81BEF9#81BEF9

#81BEF9 is a light, moderate cyan. Relative luminance 0.483; OKLCH L 78.3% C 0.106 H 248.5°. Best body text is #000000 at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#81BEF9
RGB	rgb(129, 190, 249)
HSL	hsl(210, 91%, 74%)
HSV	hsv(210, 48%, 98%)
CMYK	cmyk(48.2%, 23.7%, 0%, 2.4%)
CIE-LAB	lab(75.03, -3.96, -35.21)
CIE-LCH	lch(75.03, 35.44, 263.58°)
OKLab	oklab(78.27% -0.0387 -0.0983)
OKLCH	oklch(78.27% 0.106 248.5)
XYZ	xyz(44.5597, 48.3304, 96.5848)
Luminance	0.4833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BEF9 #F9BC81

analogous

#81F9F8 #81BEF9 #8182F9

triadic

#81BEF9 #F981BE #BEF981

tetradic

#81BEF9 #F881F9 #F9BC81 #82F981

square

#81BEF9 #F881F9 #F9BC81 #82F981

split-complementary

#81BEF9 #F98182 #F9F881

monochromatic

#0C82F3 #47A0F6 #81BEF9 #BBDCFC #E2F0FE

Accessibility & contrast

On white

1.97

#81BEF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.67

#81BEF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BEF9

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BEF9	#FFFFFF	#000000	##000000
##81BEF9	1.00	1.97	10.67	10.67
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.67	21.00	1.00	1.00
##000000	10.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BFFC

Deuteranopia (green-blind)

#97B3F8

Tritanopia (blue-blind)

#49CCD2

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #81bef9;
/* rgb */ color: rgb(129, 190, 249);
/* oklch */ color: oklch(78.3% 0.106 248.5);

Tailwind

colors: {
  custom: {
    50: '#abd1fb',
    500: '#81bef9',
    950: '#000000',
  },
}

SCSS

$custom: #81bef9;
$custom-light: #abd1fb;
$custom-dark: #000000;

JSON

{
  "hex": "#81bef9",
  "rgb": {
    "r": 129,
    "g": 190,
    "b": 249
  },
  "hsl": {
    "h": 209.5,
    "s": 90.909,
    "l": 74.118
  },
  "oklch": {
    "l": 0.78268,
    "c": 0.10562,
    "h": 248.5
  },
  "luminance": 0.48334
}

Semantic roles & 50–950 ramp

primary

#81BEF9

secondary

#F6E5D5

accent

#7100E6

background

#FAFCFF

surface

#F5F9FF

border

#CFD2D7

text

#111417

muted

#808285

Preview Lab

Preview with #81BEF9

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

Preview Lab → · Contrast checker → · Palette generator →