#819EF8#819EF8

#819EF8 is a light, vivid blue. Relative luminance 0.359; OKLCH L 71.6% C 0.136 H 269.2°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#819EF8
RGB	rgb(129, 158, 248)
HSL	hsl(225, 89%, 74%)
HSV	hsv(225, 48%, 97%)
CMYK	cmyk(48%, 36.3%, 0%, 2.7%)
CIE-LAB	lab(66.44, 13.70, -48.10)
CIE-LCH	lch(66.44, 50.01, 285.90°)
OKLab	oklab(71.55% -0.0018 -0.1357)
OKLCH	oklch(71.55% 0.136 269.2)
XYZ	xyz(38.2180, 35.8958, 93.7035)
Luminance	0.3590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#819EF8 #F8DB81

analogous

#81DAF8 #819EF8 #A081F8

triadic

#819EF8 #F8819E #9EF881

tetradic

#819EF8 #F881DA #F8DB81 #81F8A0

square

#819EF8 #F881DA #F8DB81 #81F8A0

split-complementary

#819EF8 #F8A081 #DAF881

monochromatic

#0D45F1 #4771F5 #819EF8 #BBCBFB #E2E9FD

Accessibility & contrast

On white

2.57

#819EF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#819EF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #819EF8

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##819EF8	#FFFFFF	#000000	##000000
##819EF8	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7CA7FC

Deuteranopia (green-blind)

#709DF6

Tritanopia (blue-blind)

#51B1BF

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #819ef8;
/* rgb */ color: rgb(129, 158, 248);
/* oklch */ color: oklch(71.6% 0.136 269.2);

Tailwind

colors: {
  custom: {
    50: '#abbafb',
    500: '#819ef8',
    950: '#000000',
  },
}

SCSS

$custom: #819ef8;
$custom-light: #abbafb;
$custom-dark: #000000;

JSON

{
  "hex": "#819ef8",
  "rgb": {
    "r": 129,
    "g": 158,
    "b": 248
  },
  "hsl": {
    "h": 225.378,
    "s": 89.474,
    "l": 73.922
  },
  "oklch": {
    "l": 0.71551,
    "c": 0.13568,
    "h": 269.2
  },
  "luminance": 0.35898
}

Semantic roles & 50–950 ramp

primary

#819EF8

secondary

#F5EED6

accent

#AE00E6

background

#FAFBFF

surface

#F5F6FF

border

#CFD0D7

text

#111117

muted

#808085

Preview Lab

Preview with #819EF8

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

Preview Lab → · Contrast checker → · Palette generator →