#81BBF4#81BBF4

#81BBF4 is a light, moderate cyan. Relative luminance 0.467; OKLCH L 77.4% C 0.102 H 248.8°. Best body text is #000000 at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#81BBF4
RGB	rgb(129, 187, 244)
HSL	hsl(210, 84%, 73%)
HSV	hsv(210, 47%, 96%)
CMYK	cmyk(47.1%, 23.4%, 0%, 4.3%)
CIE-LAB	lab(74.02, -3.75, -34.09)
CIE-LCH	lch(74.02, 34.29, 263.73°)
OKLab	oklab(77.41% -0.0368 -0.095)
OKLCH	oklch(77.41% 0.102 248.8)
XYZ	xyz(43.1471, 46.7364, 92.3178)
Luminance	0.4674 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BBF4 #F4BA81

analogous

#81F4F3 #81BBF4 #8181F4

triadic

#81BBF4 #F481BB #BBF481

tetradic

#81BBF4 #F381F4 #F4BA81 #81F481

square

#81BBF4 #F381F4 #F4BA81 #81F481

split-complementary

#81BBF4 #F48181 #F4F381

monochromatic

#147EE6 #499DEF #81BBF4 #B9D9F9 #E3F0FD

Accessibility & contrast

On white

2.03

#81BBF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.35

#81BBF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BBF4

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BBF4	#FFFFFF	#000000	##000000
##81BBF4	1.00	2.03	10.35	10.35
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.35	21.00	1.00	1.00
##000000	10.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4BCF7

Deuteranopia (green-blind)

#95B1F3

Tritanopia (blue-blind)

#4EC8CE

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #81bbf4;
/* rgb */ color: rgb(129, 187, 244);
/* oklch */ color: oklch(77.4% 0.102 248.8);

Tailwind

colors: {
  custom: {
    50: '#abcff8',
    500: '#81bbf4',
    950: '#000000',
  },
}

SCSS

$custom: #81bbf4;
$custom-light: #abcff8;
$custom-dark: #000000;

JSON

{
  "hex": "#81bbf4",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 244
  },
  "hsl": {
    "h": 209.739,
    "s": 83.942,
    "l": 73.137
  },
  "oklch": {
    "l": 0.77407,
    "c": 0.10192,
    "h": 248.8
  },
  "luminance": 0.46739
}

Semantic roles & 50–950 ramp

primary

#81BBF4

secondary

#F4E5D7

accent

#7205E0

background

#FAFCFF

surface

#F5F9FF

border

#CFD2D7

text

#101317

muted

#7F8285

Preview Lab

Preview with #81BBF4

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

Preview Lab → · Contrast checker → · Palette generator →