#81A4FD#81A4FD

#81A4FD is a light, vivid blue. Relative luminance 0.383; OKLCH L 73.0% C 0.135 H 266.8°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#81A4FD
RGB	rgb(129, 164, 253)
HSL	hsl(223, 97%, 75%)
HSV	hsv(223, 49%, 99%)
CMYK	cmyk(49%, 35.2%, 0%, 0.8%)
CIE-LAB	lab(68.25, 11.73, -47.98)
CIE-LCH	lch(68.25, 49.39, 283.74°)
OKLab	oklab(73.02% -0.0076 -0.1353)
OKLCH	oklch(73.02% 0.135 266.8)
XYZ	xyz(40.0526, 38.3073, 98.1930)
Luminance	0.3831 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81A4FD #FDDA81

analogous

#81E2FD #81A4FD #9C81FD

triadic

#81A4FD #FD81A4 #A4FD81

tetradic

#81A4FD #FD81E2 #FDDA81 #81FD9C

square

#81A4FD #FD81E2 #FDDA81 #81FD9C

split-complementary

#81A4FD #FD9C81 #E2FD81

monochromatic

#094DFB #4578FC #81A4FD #BDD0FE #E1E9FF

Accessibility & contrast

On white

2.42

#81A4FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.66

#81A4FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81A4FD

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81A4FD	#FFFFFF	#000000	##000000
##81A4FD	1.00	2.42	8.66	8.66
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.66	21.00	1.00	1.00
##000000	8.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82ACFF

Deuteranopia (green-blind)

#74A1FB

Tritanopia (blue-blind)

#4CB7C5

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #81a4fd;
/* rgb */ color: rgb(129, 164, 253);
/* oklch */ color: oklch(73.0% 0.135 266.8);

Tailwind

colors: {
  custom: {
    50: '#acbefe',
    500: '#81a4fd',
    950: '#000000',
  },
}

SCSS

$custom: #81a4fd;
$custom-light: #acbefe;
$custom-dark: #000000;

JSON

{
  "hex": "#81a4fd",
  "rgb": {
    "r": 129,
    "g": 164,
    "b": 253
  },
  "hsl": {
    "h": 223.065,
    "s": 96.875,
    "l": 74.902
  },
  "oklch": {
    "l": 0.73025,
    "c": 0.13548,
    "h": 266.8
  },
  "luminance": 0.3831
}

Semantic roles & 50–950 ramp

primary

#81A4FD

secondary

#F7EDD4

accent

#A500E6

background

#FBFBFF

surface

#F6F6FF

border

#D0D0D7

text

#111218

muted

#808186

Preview Lab

Preview with #81A4FD

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

Preview Lab → · Contrast checker → · Palette generator →