#3F667E#3F667E
#3F667E is a mid, muted cyan. Relative luminance 0.121; OKLCH L 49.1% C 0.059 H 236.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).
Color values
| HEX | #3F667E |
|---|---|
| RGB | rgb(63, 102, 126) |
| HSL | hsl(203, 33%, 37%) |
| HSV | hsv(203, 50%, 49%) |
| CMYK | cmyk(50%, 19%, 0%, 50.6%) |
| CIE-LAB | lab(41.32, -6.65, -17.65) |
| CIE-LCH | lch(41.32, 18.86, 249.34°) |
| OKLab | oklab(49.13% -0.0322 -0.049) |
| OKLCH | oklch(49.13% 0.059 236.7) |
| XYZ | xyz(10.5658, 12.0651, 21.5066) |
| Luminance | 0.1207 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 3.63
Slate
#516572
ΔE00 5.05
Metallic Blue
#4F738E
ΔE00 5.35
Denim (survey)
#3B638C
ΔE00 5.88
Peacock Blue
#016795
ΔE00 6.13
Cadet Blue
#4E7496
ΔE00 6.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F667E #7E573F
analogous
#3F7E77 #3F667E #3F477E
triadic
#3F667E #7E3F66 #667E3F
tetradic
#3F667E #773F7E #7E573F #477E3F
square
#3F667E #773F7E #7E573F #477E3F
split-complementary
#3F667E #7E3F47 #7E773F
monochromatic
#16242C #2B4555 #3F667E #5387A7 #7BA4BD
Accessibility & contrast
On white
6.15
#3F667E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.41
#3F667E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F667E
6.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F667E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F667E | 1.00 | 6.15 | 3.41 | 6.15 |
| #FFFFFF | 6.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B657F
Deuteranopia (green-blind)
#525E7E
Tritanopia (blue-blind)
#216C6E
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #3f667e; /* rgb */ color: rgb(63, 102, 126); /* oklch */ color: oklch(49.1% 0.059 236.7);
Tailwind
colors: {
custom: {
50: '#7891a3',
500: '#3f667e',
950: '#000000',
},
}SCSS
$custom: #3f667e; $custom-light: #7891a3; $custom-dark: #000000;
JSON
{
"hex": "#3f667e",
"rgb": {
"r": 63,
"g": 102,
"b": 126
},
"hsl": {
"h": 202.857,
"s": 33.333,
"l": 37.059
},
"oklch": {
"l": 0.49131,
"c": 0.05864,
"h": 236.7
},
"luminance": 0.12066
}Semantic roles & 50–950 ramp
primary
#3F667E
secondary
#A78672
accent
#875EC9
background
#F7F8FA
surface
#EDF0F3
border
#C8CBCD
text
#090C0F
muted
#7B7D7F