#818CFB#818CFB
#818CFB is a light, vivid blue. Relative luminance 0.304; OKLCH L 68.2% C 0.162 H 276.9°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).
Color values
| HEX | #818CFB |
|---|---|
| RGB | rgb(129, 140, 251) |
| HSL | hsl(235, 94%, 75%) |
| HSV | hsv(235, 49%, 98%) |
| CMYK | cmyk(48.6%, 44.2%, 0%, 1.6%) |
| CIE-LAB | lab(61.99, 25.07, -56.80) |
| CIE-LCH | lch(61.99, 62.09, 293.82°) |
| OKLab | oklab(68.19% 0.0196 -0.1612) |
| OKLCH | oklch(68.19% 0.162 276.9) |
| XYZ | xyz(35.8385, 30.3863, 95.2248) |
| Luminance | 0.3039 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Lavender Blue
#8B88F8
ΔE00 2.72
Periwinkle Blue
#8F99FB
ΔE00 3.95
Perrywinkle
#8F8CE7
ΔE00 4.43
Periwinkle (survey)
#8E82FE
ΔE00 4.52
Soft Blue
#6488EA
ΔE00 5.60
Cornflower
#6A79F7
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#818CFB #FBF081
analogous
#81C9FB #818CFB #B381FB
triadic
#818CFB #FB818C #8CFB81
tetradic
#818CFB #FB81C9 #FBF081 #81FBB3
square
#818CFB #FB81C9 #FBF081 #81FBB3
split-complementary
#818CFB #FBB381 #C9FB81
monochromatic
#0A20F7 #4656F9 #818CFB #BCC2FD #E1E4FE
Accessibility & contrast
On white
2.97
#818CFB on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.08
#818CFB on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #818CFB
7.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##818CFB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##818CFB | 1.00 | 2.97 | 7.08 | 7.08 |
| #FFFFFF | 2.97 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.08 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.08 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E9BFF
Deuteranopia (green-blind)
#5391F9
Tritanopia (blue-blind)
#51A4B7
Achromatopsia (no color)
#969696
Design tokens & code
CSS
--color: #818cfb; /* rgb */ color: rgb(129, 140, 251); /* oklch */ color: oklch(68.2% 0.162 276.9);
Tailwind
colors: {
custom: {
50: '#acadfd',
500: '#818cfb',
950: '#000000',
},
}SCSS
$custom: #818cfb; $custom-light: #acadfd; $custom-dark: #000000;
JSON
{
"hex": "#818cfb",
"rgb": {
"r": 129,
"g": 140,
"b": 251
},
"hsl": {
"h": 234.59,
"s": 93.846,
"l": 74.51
},
"oklch": {
"l": 0.68186,
"c": 0.1624,
"h": 276.9
},
"luminance": 0.30388
}Semantic roles & 50–950 ramp
primary
#818CFB
secondary
#F6F3D5
accent
#D100E6
background
#FBFAFF
surface
#F6F4FF
border
#D0CED7
text
#111018
muted
#807F86