#6381EF#6381EF
#6381EF is a light, vivid blue. Relative luminance 0.246; OKLCH L 63.4% C 0.168 H 269.6°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).
Color values
| HEX | #6381EF |
|---|---|
| RGB | rgb(99, 129, 239) |
| HSL | hsl(227, 81%, 66%) |
| HSV | hsv(227, 59%, 94%) |
| CMYK | cmyk(58.6%, 46%, 0%, 6.3%) |
| CIE-LAB | lab(56.67, 21.72, -58.78) |
| CIE-LCH | lch(56.67, 62.67, 290.28°) |
| OKLab | oklab(63.44% -0.001 -0.1678) |
| OKLCH | oklch(63.44% 0.168 269.6) |
| XYZ | xyz(28.5706, 24.5829, 84.8840) |
| Luminance | 0.2459 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 2.45
Cornflower
#6A79F7
ΔE00 3.47
Lightish Blue
#3D7AFD
ΔE00 4.28
Dodger Blue
#3E82FC
ΔE00 4.56
Clear Blue
#247AFD
ΔE00 5.81
Faded Blue
#658CBB
ΔE00 6.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6381EF #EFD163
analogous
#63C7EF #6381EF #8B63EF
triadic
#6381EF #EF6381 #81EF63
tetradic
#6381EF #EF63C7 #EFD163 #63EF8B
square
#6381EF #EF63C7 #EFD163 #63EF8B
split-complementary
#6381EF #EF8B63 #C7EF63
monochromatic
#143AC4 #2B54E9 #6381EF #9BAEF5 #D2DBFA
Accessibility & contrast
On white
3.55
#6381EF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.92
#6381EF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6381EF
5.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6381EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6381EF | 1.00 | 3.55 | 5.92 | 5.92 |
| #FFFFFF | 3.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.92 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.92 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4C8EF3
Deuteranopia (green-blind)
#3782ED
Tritanopia (blue-blind)
#009AAC
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #6381ef; /* rgb */ color: rgb(99, 129, 239); /* oklch */ color: oklch(63.4% 0.168 269.6);
Tailwind
colors: {
custom: {
50: '#9aa5f5',
500: '#6381ef',
950: '#000000',
},
}SCSS
$custom: #6381ef; $custom-light: #9aa5f5; $custom-dark: #000000;
JSON
{
"hex": "#6381ef",
"rgb": {
"r": 99,
"g": 129,
"b": 239
},
"hsl": {
"h": 227.143,
"s": 81.395,
"l": 66.275
},
"oklch": {
"l": 0.63437,
"c": 0.16779,
"h": 269.6
},
"luminance": 0.24585
}Semantic roles & 50–950 ramp
primary
#6381EF
secondary
#EEE4C0
accent
#B008DE
background
#FAFAFF
surface
#F3F4FE
border
#CDCED6
text
#0F0F17
muted
#7F7F85