#819DFD#819DFD

#819DFD is a light, vivid blue. Relative luminance 0.359; OKLCH L 71.6% C 0.144 H 270.2°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#819DFD
RGB	rgb(129, 157, 253)
HSL	hsl(226, 97%, 75%)
HSV	hsv(226, 49%, 99%)
CMYK	cmyk(49%, 37.9%, 0%, 0.8%)
CIE-LAB	lab(66.42, 15.76, -50.86)
CIE-LCH	lch(66.42, 53.24, 287.21°)
OKLab	oklab(71.61% 0.0005 -0.1437)
OKLCH	oklch(71.61% 0.144 270.2)
XYZ	xyz(38.8341, 35.8705, 97.7868)
Luminance	0.3587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#819DFD #FDE181

analogous

#81DBFD #819DFD #A381FD

triadic

#819DFD #FD819D #9DFD81

tetradic

#819DFD #FD81DB #FDE181 #81FDA3

square

#819DFD #FD81DB #FDE181 #81FDA3

split-complementary

#819DFD #FDA381 #DBFD81

monochromatic

#093FFB #456EFC #819DFD #BDCCFE #E1E8FF

Accessibility & contrast

On white

2.57

#819DFD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#819DFD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #819DFD

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##819DFD	#FFFFFF	#000000	##000000
##819DFD	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A7FF

Deuteranopia (green-blind)

#6B9CFB

Tritanopia (blue-blind)

#4DB1C1

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #819dfd;
/* rgb */ color: rgb(129, 157, 253);
/* oklch */ color: oklch(71.6% 0.144 270.2);

Tailwind

colors: {
  custom: {
    50: '#acb9fe',
    500: '#819dfd',
    950: '#000000',
  },
}

SCSS

$custom: #819dfd;
$custom-light: #acb9fe;
$custom-dark: #000000;

JSON

{
  "hex": "#819dfd",
  "rgb": {
    "r": 129,
    "g": 157,
    "b": 253
  },
  "hsl": {
    "h": 226.452,
    "s": 96.875,
    "l": 74.902
  },
  "oklch": {
    "l": 0.71615,
    "c": 0.14371,
    "h": 270.2
  },
  "luminance": 0.35873
}

Semantic roles & 50–950 ramp

primary

#819DFD

secondary

#F7EFD4

accent

#B200E6

background

#FBFBFF

surface

#F6F6FF

border

#D0D0D7

text

#111118

muted

#808086

Preview Lab

Preview with #819DFD

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

Preview Lab → · Contrast checker → · Palette generator →