#667ACC#667ACC
#667ACC is a mid, vivid blue. Relative luminance 0.211; OKLCH L 60.1% C 0.127 H 271.8°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).
Color values
| HEX | #667ACC |
|---|---|
| RGB | rgb(102, 122, 204) |
| HSL | hsl(228, 50%, 60%) |
| HSV | hsv(228, 50%, 80%) |
| CMYK | cmyk(50%, 40.2%, 0%, 20%) |
| CIE-LAB | lab(53.06, 15.40, -44.86) |
| CIE-LCH | lch(53.06, 47.43, 288.95°) |
| OKLab | oklab(60.1% 0.0039 -0.127) |
| OKLCH | oklch(60.1% 0.127 271.8) |
| XYZ | xyz(23.3346, 21.1020, 59.9585) |
| Luminance | 0.2110 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 4.52
Cornflower
#6A79F7
ΔE00 5.78
Soft Blue
#6488EA
ΔE00 6.18
Lightish Blue
#3D7AFD
ΔE00 7.12
Faded Blue
#658CBB
ΔE00 7.14
Royal Blue
#4169E1
ΔE00 7.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#667ACC #CCB866
analogous
#66ADCC #667ACC #8566CC
triadic
#667ACC #CC667A #7ACC66
tetradic
#667ACC #CC66AD #CCB866 #66CC85
square
#667ACC #CC66AD #CCB866 #66CC85
split-complementary
#667ACC #CC8566 #ADCC66
monochromatic
#2E408A #3D55B8 #667ACC #94A2DB #C2CAEB
Accessibility & contrast
On white
4.02
#667ACC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.22
#667ACC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #667ACC
5.22:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##667ACC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##667ACC | 1.00 | 4.02 | 5.22 | 5.22 |
| #FFFFFF | 4.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.22 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.22 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A83CF
Deuteranopia (green-blind)
#4F7BCA
Tritanopia (blue-blind)
#3B8B99
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #667acc; /* rgb */ color: rgb(102, 122, 204); /* oklch */ color: oklch(60.1% 0.127 271.8);
Tailwind
colors: {
custom: {
50: '#97a0dc',
500: '#667acc',
950: '#000000',
},
}SCSS
$custom: #667acc; $custom-light: #97a0dc; $custom-dark: #000000;
JSON
{
"hex": "#667acc",
"rgb": {
"r": 102,
"g": 122,
"b": 204
},
"hsl": {
"h": 228.235,
"s": 50,
"l": 60
},
"oklch": {
"l": 0.60096,
"c": 0.12702,
"h": 271.8
},
"luminance": 0.21103
}Semantic roles & 50–950 ramp
primary
#667ACC
secondary
#DBD3B3
accent
#BE4EDA
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0E0E15
muted
#7E7E83