#3F697C#3F697C
#3F697C is a mid, muted cyan. Relative luminance 0.126; OKLCH L 49.8% C 0.056 H 228.6°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).
Color values
| HEX | #3F697C |
|---|---|
| RGB | rgb(63, 105, 124) |
| HSL | hsl(199, 33%, 37%) |
| HSV | hsv(199, 49%, 49%) |
| CMYK | cmyk(49.2%, 15.3%, 0%, 51.4%) |
| CIE-LAB | lab(42.18, -9.05, -15.13) |
| CIE-LCH | lch(42.18, 17.63, 239.12°) |
| OKLab | oklab(49.78% -0.0369 -0.0419) |
| OKLCH | oklch(49.78% 0.056 228.6) |
| XYZ | xyz(10.7382, 12.6143, 20.9338) |
| Luminance | 0.1262 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Slate
#516572
ΔE00 5.30
Ugly Blue
#31668A
ΔE00 6.06
Metallic Blue
#4F738E
ΔE00 6.11
Sea Blue
#047495
ΔE00 6.55
Ocean Blue (survey)
#03719C
ΔE00 7.54
Gunmetal (survey)
#536267
ΔE00 7.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F697C #7C523F
analogous
#3F7C71 #3F697C #3F4B7C
triadic
#3F697C #7C3F69 #697C3F
tetradic
#3F697C #713F7C #7C523F #4B7C3F
square
#3F697C #713F7C #7C523F #4B7C3F
split-complementary
#3F697C #7C3F4B #7C713F
monochromatic
#16242B #2A4753 #3F697C #548BA5 #7AA7BB
Accessibility & contrast
On white
5.96
#3F697C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.52
#3F697C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3F697C
5.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F697C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3F697C | 1.00 | 5.96 | 3.52 | 5.96 |
| #FFFFFF | 5.96 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.96 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F677D
Deuteranopia (green-blind)
#56617C
Tritanopia (blue-blind)
#216E6F
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #3f697c; /* rgb */ color: rgb(63, 105, 124); /* oklch */ color: oklch(49.8% 0.056 228.6);
Tailwind
colors: {
custom: {
50: '#7893a2',
500: '#3f697c',
950: '#000000',
},
}SCSS
$custom: #3f697c; $custom-light: #7893a2; $custom-dark: #000000;
JSON
{
"hex": "#3f697c",
"rgb": {
"r": 63,
"g": 105,
"b": 124
},
"hsl": {
"h": 198.689,
"s": 32.62,
"l": 36.667
},
"oklch": {
"l": 0.49784,
"c": 0.0558,
"h": 228.6
},
"luminance": 0.12615
}Semantic roles & 50–950 ramp
primary
#3F697C
secondary
#A68171
accent
#805FC9
background
#F7F9F9
surface
#EDF1F2
border
#C8CBCC
text
#090D0F
muted
#7B7E7E