#6B81EF#6B81EF
#6B81EF is a light, vivid blue. Relative luminance 0.251; OKLCH L 63.9% C 0.166 H 272.4°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).
Color values
| HEX | #6B81EF |
|---|---|
| RGB | rgb(107, 129, 239) |
| HSL | hsl(230, 80%, 68%) |
| HSV | hsv(230, 55%, 94%) |
| CMYK | cmyk(55.2%, 46%, 0%, 6.3%) |
| CIE-LAB | lab(57.13, 23.27, -58.02) |
| CIE-LCH | lch(57.13, 62.51, 291.86°) |
| OKLab | oklab(63.91% 0.007 -0.1654) |
| OKLCH | oklch(63.91% 0.166 272.4) |
| XYZ | xyz(29.4886, 25.0562, 84.9270) |
| Luminance | 0.2506 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.80
Soft Blue
#6488EA
ΔE00 3.22
Lightish Blue
#3D7AFD
ΔE00 5.47
Lavender Blue
#8B88F8
ΔE00 5.85
Dodger Blue
#3E82FC
ΔE00 5.91
Periwinkle (survey)
#8E82FE
ΔE00 6.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6B81EF #EFD96B
analogous
#6BC3EF #6B81EF #976BEF
triadic
#6B81EF #EF6B81 #81EF6B
tetradic
#6B81EF #EF6BC3 #EFD96B #6BEF97
square
#6B81EF #EF6BC3 #EFD96B #6BEF97
split-complementary
#6B81EF #EF976B #C3EF6B
monochromatic
#1634CA #3452E9 #6B81EF #A2B0F5 #D9DFFB
Accessibility & contrast
On white
3.49
#6B81EF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.01
#6B81EF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6B81EF
6.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6B81EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6B81EF | 1.00 | 3.49 | 6.01 | 6.01 |
| #FFFFFF | 3.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.01 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.01 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E8FF3
Deuteranopia (green-blind)
#3D84ED
Tritanopia (blue-blind)
#1F99AC
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #6b81ef; /* rgb */ color: rgb(107, 129, 239); /* oklch */ color: oklch(63.9% 0.166 272.4);
Tailwind
colors: {
custom: {
50: '#9ea5f5',
500: '#6b81ef',
950: '#000000',
},
}SCSS
$custom: #6b81ef; $custom-light: #9ea5f5; $custom-dark: #000000;
JSON
{
"hex": "#6b81ef",
"rgb": {
"r": 107,
"g": 129,
"b": 239
},
"hsl": {
"h": 230,
"s": 80.488,
"l": 67.843
},
"oklch": {
"l": 0.63912,
"c": 0.16551,
"h": 272.4
},
"luminance": 0.25058
}Semantic roles & 50–950 ramp
primary
#6B81EF
secondary
#EFE8C7
accent
#B909DD
background
#FAFAFF
surface
#F4F4FE
border
#CECED6
text
#0F0F17
muted
#7F7F85