#81AEEF#81AEEF

#81AEEF is a light, moderate blue. Relative luminance 0.412; OKLCH L 74.4% C 0.106 H 257.5°. Best body text is #000000 at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#81AEEF
RGB	rgb(129, 174, 239)
HSL	hsl(215, 77%, 72%)
HSV	hsv(215, 46%, 94%)
CMYK	cmyk(46%, 27.2%, 0%, 6.3%)
CIE-LAB	lab(70.29, 2.00, -37.16)
CIE-LCH	lch(70.29, 37.21, 273.08°)
OKLab	oklab(74.42% -0.023 -0.1039)
OKLCH	oklch(74.42% 0.106 257.5)
XYZ	xyz(39.7641, 41.1686, 87.4956)
Luminance	0.4117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AEEF #EFC281

analogous

#81E5EF #81AEEF #8B81EF

triadic

#81AEEF #EF81AE #AEEF81

tetradic

#81AEEF #EF81E5 #EFC281 #81EF8B

square

#81AEEF #EF81E5 #EFC281 #81EF8B

split-complementary

#81AEEF #EF8B81 #E5EF81

monochromatic

#1C6ADA #4B8BE8 #81AEEF #B7D1F6 #E4EEFC

Accessibility & contrast

On white

2.27

#81AEEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.23

#81AEEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AEEF

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AEEF	#FFFFFF	#000000	##000000
##81AEEF	1.00	2.27	9.23	9.23
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.23	21.00	1.00	1.00
##000000	9.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95B2F2

Deuteranopia (green-blind)

#88A7EE

Tritanopia (blue-blind)

#54BCC5

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #81aeef;
/* rgb */ color: rgb(129, 174, 239);
/* oklch */ color: oklch(74.4% 0.106 257.5);

Tailwind

colors: {
  custom: {
    50: '#aac5f4',
    500: '#81aeef',
    950: '#000000',
  },
}

SCSS

$custom: #81aeef;
$custom-light: #aac5f4;
$custom-dark: #000000;

JSON

{
  "hex": "#81aeef",
  "rgb": {
    "r": 129,
    "g": 174,
    "b": 239
  },
  "hsl": {
    "h": 215.455,
    "s": 77.465,
    "l": 72.157
  },
  "oklch": {
    "l": 0.74416,
    "c": 0.10641,
    "h": 257.5
  },
  "luminance": 0.41171
}

Semantic roles & 50–950 ramp

primary

#81AEEF

secondary

#F3E8D8

accent

#850CDA

background

#FAFCFE

surface

#F4F8FD

border

#CED1D5

text

#101217

muted

#7F8185

Preview Lab

Preview with #81AEEF

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

Preview Lab → · Contrast checker → · Palette generator →