#667FF4#667FF4
#667FF4 is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.5% C 0.176 H 271.5°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).
Color values
| HEX | #667FF4 |
|---|---|
| RGB | rgb(102, 127, 244) |
| HSL | hsl(229, 87%, 68%) |
| HSV | hsv(229, 58%, 96%) |
| CMYK | cmyk(58.2%, 48%, 0%, 4.3%) |
| CIE-LAB | lab(56.62, 25.11, -61.63) |
| CIE-LCH | lch(56.62, 66.55, 292.17°) |
| OKLab | oklab(63.54% 0.0046 -0.1761) |
| OKLCH | oklch(63.54% 0.176 271.5) |
| XYZ | xyz(29.3926, 24.5329, 88.7568) |
| Luminance | 0.2454 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower
#6A79F7
ΔE00 2.33
Soft Blue
#6488EA
ΔE00 3.52
Lightish Blue
#3D7AFD
ΔE00 4.65
Dodger Blue
#3E82FC
ΔE00 5.40
Clear Blue
#247AFD
ΔE00 6.37
Lavender Blue
#8B88F8
ΔE00 6.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#667FF4 #F4DB66
analogous
#66C6F4 #667FF4 #9466F4
triadic
#667FF4 #F4667F #7FF466
tetradic
#667FF4 #F466C6 #F4DB66 #66F494
square
#667FF4 #F466C6 #F4DB66 #66F494
split-complementary
#667FF4 #F49466 #C6F466
monochromatic
#0F31D1 #2D4FF0 #667FF4 #9FAFF8 #D8DFFC
Accessibility & contrast
On white
3.56
#667FF4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.91
#667FF4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #667FF4
5.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##667FF4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##667FF4 | 1.00 | 3.56 | 5.91 | 5.91 |
| #FFFFFF | 3.56 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.91 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.91 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#448EF8
Deuteranopia (green-blind)
#2C82F2
Tritanopia (blue-blind)
#0099AE
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #667ff4; /* rgb */ color: rgb(102, 127, 244); /* oklch */ color: oklch(63.5% 0.176 271.5);
Tailwind
colors: {
custom: {
50: '#9da3f8',
500: '#667ff4',
950: '#000000',
},
}SCSS
$custom: #667ff4; $custom-light: #9da3f8; $custom-dark: #000000;
JSON
{
"hex": "#667ff4",
"rgb": {
"r": 102,
"g": 127,
"b": 244
},
"hsl": {
"h": 229.437,
"s": 86.585,
"l": 67.843
},
"oklch": {
"l": 0.63539,
"c": 0.17617,
"h": 271.5
},
"luminance": 0.24535
}Semantic roles & 50–950 ramp
primary
#667FF4
secondary
#F1E9C5
accent
#BC02E3
background
#FAFAFF
surface
#F4F3FF
border
#CECDD7
text
#0F0F17
muted
#7F7F85