#3F899B#3F899B
#3F899B is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.0% C 0.078 H 216.1°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).
Color values
| HEX | #3F899B |
|---|---|
| RGB | rgb(63, 137, 155) |
| HSL | hsl(192, 42%, 43%) |
| HSV | hsv(192, 59%, 61%) |
| CMYK | cmyk(59.4%, 11.6%, 0%, 39.2%) |
| CIE-LAB | lab(53.29, -17.45, -16.52) |
| CIE-LCH | lch(53.29, 24.03, 223.43°) |
| OKLab | oklab(59.05% -0.0629 -0.0458) |
| OKLCH | oklch(59.05% 0.078 216.1) |
| XYZ | xyz(16.9096, 21.3130, 34.2267) |
| Luminance | 0.2132 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 3.30
Dirty Blue
#3F829D
ΔE00 4.72
Ocean
#017B92
ΔE00 6.40
Dark Cyan
#0A888A
ΔE00 8.77
Darkcyan
#008B8B
ΔE00 9.59
Deep Aqua
#08787F
ΔE00 9.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F899B #9B513F
analogous
#3F9B7F #3F899B #3F5B9B
triadic
#3F899B #9B3F89 #899B3F
tetradic
#3F899B #7F3F9B #9B513F #5B9B3F
square
#3F899B #7F3F9B #9B513F #5B9B3F
split-complementary
#3F899B #9B3F5B #9B7F3F
monochromatic
#1C3C44 #2D636F #3F899B #5BA9BC #86C0CE
Accessibility & contrast
On white
3.99
#3F899B on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.26
#3F899B on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F899B
5.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F899B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F899B | 1.00 | 3.99 | 5.26 | 5.26 |
| #FFFFFF | 3.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.26 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.26 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7D859C
Deuteranopia (green-blind)
#6F7B9B
Tritanopia (blue-blind)
#00908F
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #3f899b; /* rgb */ color: rgb(63, 137, 155); /* oklch */ color: oklch(59.0% 0.078 216.1);
Tailwind
colors: {
custom: {
50: '#7dabb8',
500: '#3f899b',
950: '#000000',
},
}SCSS
$custom: #3f899b; $custom-light: #7dabb8; $custom-dark: #000000;
JSON
{
"hex": "#3f899b",
"rgb": {
"r": 63,
"g": 137,
"b": 155
},
"hsl": {
"h": 191.739,
"s": 42.202,
"l": 42.745
},
"oklch": {
"l": 0.59045,
"c": 0.07785,
"h": 216.1
},
"luminance": 0.21315
}Semantic roles & 50–950 ramp
primary
#3F899B
secondary
#B8897D
accent
#6E56D2
background
#F8FAFB
surface
#EFF4F6
border
#CACED0
text
#0A1011
muted
#7C7F80