#3F677B#3F677B
#3F677B is a mid, muted cyan. Relative luminance 0.122; OKLCH L 49.2% C 0.055 H 231.1°. Best body text is #FFFFFF at 6.11:1 contrast (WCAG AA passes).
Color values
| HEX | #3F677B |
|---|---|
| RGB | rgb(63, 103, 123) |
| HSL | hsl(200, 32%, 36%) |
| HSV | hsv(200, 49%, 48%) |
| CMYK | cmyk(48.8%, 16.3%, 0%, 51.8%) |
| CIE-LAB | lab(41.51, -8.18, -15.54) |
| CIE-LCH | lch(41.51, 17.56, 242.24°) |
| OKLab | oklab(49.24% -0.0347 -0.043) |
| OKLCH | oklch(49.24% 0.055 231.1) |
| XYZ | xyz(10.4740, 12.1865, 20.5354) |
| Luminance | 0.1219 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Slate
#516572
ΔE00 4.85
Ugly Blue
#31668A
ΔE00 5.37
Metallic Blue
#4F738E
ΔE00 6.05
Sea Blue
#047495
ΔE00 7.02
Peacock Blue
#016795
ΔE00 7.43
Ocean Blue (survey)
#03719C
ΔE00 7.52
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F677B #7B533F
analogous
#3F7B71 #3F677B #3F497B
triadic
#3F677B #7B3F67 #677B3F
tetradic
#3F677B #713F7B #7B533F #497B3F
square
#3F677B #713F7B #7B533F #497B3F
split-complementary
#3F677B #7B3F49 #7B713F
monochromatic
#16232A #2A4553 #3F677B #5489A3 #7AA5BB
Accessibility & contrast
On white
6.11
#3F677B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.44
#3F677B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F677B
6.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F677B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F677B | 1.00 | 6.11 | 3.44 | 6.11 |
| #FFFFFF | 6.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.44 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D667C
Deuteranopia (green-blind)
#555F7B
Tritanopia (blue-blind)
#236D6D
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #3f677b; /* rgb */ color: rgb(63, 103, 123); /* oklch */ color: oklch(49.2% 0.055 231.1);
Tailwind
colors: {
custom: {
50: '#7892a1',
500: '#3f677b',
950: '#000000',
},
}SCSS
$custom: #3f677b; $custom-light: #7892a1; $custom-dark: #000000;
JSON
{
"hex": "#3f677b",
"rgb": {
"r": 63,
"g": 103,
"b": 123
},
"hsl": {
"h": 200,
"s": 32.258,
"l": 36.471
},
"oklch": {
"l": 0.49243,
"c": 0.05527,
"h": 231.1
},
"luminance": 0.12187
}Semantic roles & 50–950 ramp
primary
#3F677B
secondary
#A58271
accent
#825FC8
background
#F7F8F9
surface
#EDF0F2
border
#C8CBCC
text
#090D0F
muted
#7B7D7E