#81B3F8#81B3F8

#81B3F8 is a light, moderate cyan. Relative luminance 0.437; OKLCH L 75.9% C 0.113 H 256.6°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#81B3F8
RGB	rgb(129, 179, 248)
HSL	hsl(215, 89%, 74%)
HSV	hsv(215, 48%, 97%)
CMYK	cmyk(48%, 27.8%, 0%, 2.7%)
CIE-LAB	lab(72.02, 1.80, -39.36)
CIE-LCH	lch(72.02, 39.40, 272.61°)
OKLab	oklab(75.89% -0.0263 -0.1102)
OKLCH	oklch(75.89% 0.113 256.6)
XYZ	xyz(42.1109, 43.6817, 95.0011)
Luminance	0.4369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B3F8 #F8C681

analogous

#81EFF8 #81B3F8 #8B81F8

triadic

#81B3F8 #F881B3 #B3F881

tetradic

#81B3F8 #F881EF #F8C681 #81F88B

square

#81B3F8 #F881EF #F8C681 #81F88B

split-complementary

#81B3F8 #F88B81 #EFF881

monochromatic

#0D6DF1 #4790F5 #81B3F8 #BBD6FB #E2EEFD

Accessibility & contrast

On white

2.16

#81B3F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.74

#81B3F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B3F8

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B3F8	#FFFFFF	#000000	##000000
##81B3F8	1.00	2.16	9.74	9.74
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.74	21.00	1.00	1.00
##000000	9.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B7FB

Deuteranopia (green-blind)

#8AABF7

Tritanopia (blue-blind)

#4CC2CB

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #81b3f8;
/* rgb */ color: rgb(129, 179, 248);
/* oklch */ color: oklch(75.9% 0.113 256.6);

Tailwind

colors: {
  custom: {
    50: '#abc9fb',
    500: '#81b3f8',
    950: '#000000',
  },
}

SCSS

$custom: #81b3f8;
$custom-light: #abc9fb;
$custom-dark: #000000;

JSON

{
  "hex": "#81b3f8",
  "rgb": {
    "r": 129,
    "g": 179,
    "b": 248
  },
  "hsl": {
    "h": 214.79,
    "s": 89.474,
    "l": 73.922
  },
  "oklch": {
    "l": 0.75886,
    "c": 0.11331,
    "h": 256.6
  },
  "luminance": 0.43685
}

Semantic roles & 50–950 ramp

primary

#81B3F8

secondary

#F5E8D6

accent

#8500E6

background

#FAFCFF

surface

#F5F8FF

border

#CFD1D7

text

#111317

muted

#808285

Preview Lab

Preview with #81B3F8

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

Preview Lab → · Contrast checker → · Palette generator →