#81ACFB#81ACFB

#81ACFB is a light, vivid blue. Relative luminance 0.411; OKLCH L 74.6% C 0.124 H 262.0°. Best body text is #000000 at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#81ACFB
RGB	rgb(129, 172, 251)
HSL	hsl(219, 94%, 75%)
HSV	hsv(219, 49%, 98%)
CMYK	cmyk(48.6%, 31.5%, 0%, 1.6%)
CIE-LAB	lab(70.27, 6.59, -43.71)
CIE-LCH	lch(70.27, 44.21, 278.57°)
OKLab	oklab(74.57% -0.0173 -0.1228)
OKLCH	oklch(74.57% 0.124 262)
XYZ	xyz(41.2126, 41.1344, 97.0161)
Luminance	0.4114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81ACFB #FBD081

analogous

#81E9FB #81ACFB #9381FB

triadic

#81ACFB #FB81AC #ACFB81

tetradic

#81ACFB #FB81E9 #FBD081 #81FB93

square

#81ACFB #FB81E9 #FBD081 #81FB93

split-complementary

#81ACFB #FB9381 #E9FB81

monochromatic

#0A5EF7 #4685F9 #81ACFB #BCD3FD #E1EBFE

Accessibility & contrast

On white

2.28

#81ACFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.23

#81ACFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81ACFB

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81ACFB	#FFFFFF	#000000	##000000
##81ACFB	1.00	2.28	9.23	9.23
#FFFFFF	2.28	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)

#8EB2FE

Deuteranopia (green-blind)

#80A7F9

Tritanopia (blue-blind)

#4CBDC8

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #81acfb;
/* rgb */ color: rgb(129, 172, 251);
/* oklch */ color: oklch(74.6% 0.124 262.0);

Tailwind

colors: {
  custom: {
    50: '#abc4fd',
    500: '#81acfb',
    950: '#000000',
  },
}

SCSS

$custom: #81acfb;
$custom-light: #abc4fd;
$custom-dark: #000000;

JSON

{
  "hex": "#81acfb",
  "rgb": {
    "r": 129,
    "g": 172,
    "b": 251
  },
  "hsl": {
    "h": 218.852,
    "s": 93.846,
    "l": 74.51
  },
  "oklch": {
    "l": 0.74566,
    "c": 0.12406,
    "h": 262
  },
  "luminance": 0.41137
}

Semantic roles & 50–950 ramp

primary

#81ACFB

secondary

#F6EAD5

accent

#9500E6

background

#FAFCFF

surface

#F5F8FF

border

#CFD1D7

text

#111217

muted

#808185

Preview Lab

Preview with #81ACFB

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

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