#81A3FD#81A3FD

#81A3FD is a light, vivid blue. Relative luminance 0.380; OKLCH L 72.8% C 0.137 H 267.3°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#81A3FD
RGB	rgb(129, 163, 253)
HSL	hsl(224, 97%, 75%)
HSV	hsv(224, 49%, 99%)
CMYK	cmyk(49%, 35.6%, 0%, 0.8%)
CIE-LAB	lab(67.98, 12.30, -48.39)
CIE-LCH	lch(67.98, 49.93, 284.26°)
OKLab	oklab(72.82% -0.0064 -0.1365)
OKLCH	oklch(72.82% 0.137 267.3)
XYZ	xyz(39.8743, 37.9508, 98.1335)
Luminance	0.3795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81A3FD #FDDB81

analogous

#81E1FD #81A3FD #9D81FD

triadic

#81A3FD #FD81A3 #A3FD81

tetradic

#81A3FD #FD81E1 #FDDB81 #81FD9D

square

#81A3FD #FD81E1 #FDDB81 #81FD9D

split-complementary

#81A3FD #FD9D81 #E1FD81

monochromatic

#094BFB #4577FC #81A3FD #BDCFFE #E1E9FF

Accessibility & contrast

On white

2.44

#81A3FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.59

#81A3FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81A3FD

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81A3FD	#FFFFFF	#000000	##000000
##81A3FD	1.00	2.44	8.59	8.59
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.59	21.00	1.00	1.00
##000000	8.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81ACFF

Deuteranopia (green-blind)

#73A1FB

Tritanopia (blue-blind)

#4CB6C4

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #81a3fd;
/* rgb */ color: rgb(129, 163, 253);
/* oklch */ color: oklch(72.8% 0.137 267.3);

Tailwind

colors: {
  custom: {
    50: '#acbdfe',
    500: '#81a3fd',
    950: '#000000',
  },
}

SCSS

$custom: #81a3fd;
$custom-light: #acbdfe;
$custom-dark: #000000;

JSON

{
  "hex": "#81a3fd",
  "rgb": {
    "r": 129,
    "g": 163,
    "b": 253
  },
  "hsl": {
    "h": 223.548,
    "s": 96.875,
    "l": 74.902
  },
  "oklch": {
    "l": 0.72822,
    "c": 0.13663,
    "h": 267.3
  },
  "luminance": 0.37953
}

Semantic roles & 50–950 ramp

primary

#81A3FD

secondary

#F7EDD4

accent

#A700E6

background

#FBFBFF

surface

#F6F6FF

border

#D0D0D7

text

#111218

muted

#808186

Preview Lab

Preview with #81A3FD

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

Preview Lab → · Contrast checker → · Palette generator →