#3F697F#3F697F
#3F697F is a mid, muted cyan. Relative luminance 0.127; OKLCH L 49.9% C 0.059 H 232.5°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).
Color values
| HEX | #3F697F |
|---|---|
| RGB | rgb(63, 105, 127) |
| HSL | hsl(201, 34%, 37%) |
| HSV | hsv(201, 50%, 50%) |
| CMYK | cmyk(50.4%, 17.3%, 0%, 50.2%) |
| CIE-LAB | lab(42.29, -8.12, -16.76) |
| CIE-LCH | lch(42.29, 18.62, 244.15°) |
| OKLab | oklab(49.92% -0.0357 -0.0465) |
| OKLCH | oklch(49.92% 0.059 232.5) |
| XYZ | xyz(10.9309, 12.6914, 21.9482) |
| Luminance | 0.1269 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ugly Blue
#31668A
ΔE00 4.75
Metallic Blue
#4F738E
ΔE00 5.19
Slate
#516572
ΔE00 5.28
Sea Blue
#047495
ΔE00 6.35
Ocean Blue (survey)
#03719C
ΔE00 6.66
Peacock Blue
#016795
ΔE00 6.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F697F #7F553F
analogous
#3F7F75 #3F697F #3F497F
triadic
#3F697F #7F3F69 #697F3F
tetradic
#3F697F #753F7F #7F553F #497F3F
square
#3F697F #753F7F #7F553F #497F3F
split-complementary
#3F697F #7F3F49 #7F753F
monochromatic
#16252D #2B4756 #3F697F #538BA8 #7BA7BD
Accessibility & contrast
On white
5.93
#3F697F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.54
#3F697F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F697F
5.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F697F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F697F | 1.00 | 5.93 | 3.54 | 5.93 |
| #FFFFFF | 5.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E6880
Deuteranopia (green-blind)
#55617F
Tritanopia (blue-blind)
#1F6F70
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #3f697f; /* rgb */ color: rgb(63, 105, 127); /* oklch */ color: oklch(49.9% 0.059 232.5);
Tailwind
colors: {
custom: {
50: '#7893a4',
500: '#3f697f',
950: '#000000',
},
}SCSS
$custom: #3f697f; $custom-light: #7893a4; $custom-dark: #000000;
JSON
{
"hex": "#3f697f",
"rgb": {
"r": 63,
"g": 105,
"b": 127
},
"hsl": {
"h": 200.625,
"s": 33.684,
"l": 37.255
},
"oklch": {
"l": 0.49917,
"c": 0.0586,
"h": 232.5
},
"luminance": 0.12692
}Semantic roles & 50–950 ramp
primary
#3F697F
secondary
#A88472
accent
#835ECA
background
#F7F9FA
surface
#EDF1F4
border
#C8CBCE
text
#090D0F
muted
#7B7E7F