#3F97AB#3F97AB
#3F97AB is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.1% C 0.088 H 215.2°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).
Color values
| HEX | #3F97AB |
|---|---|
| RGB | rgb(63, 151, 171) |
| HSL | hsl(191, 46%, 46%) |
| HSV | hsv(191, 63%, 67%) |
| CMYK | cmyk(63.2%, 11.7%, 0%, 32.9%) |
| CIE-LAB | lab(58.16, -19.97, -18.29) |
| CIE-LCH | lch(58.16, 27.08, 222.48°) |
| OKLab | oklab(63.14% -0.0719 -0.0508) |
| OKLCH | oklch(63.14% 0.088 215.2) |
| XYZ | xyz(20.4642, 26.1281, 42.4849) |
| Luminance | 0.2613 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 6.06
Cadetblue
#5F9EA0
ΔE00 7.33
Dirty Blue
#3F829D
ΔE00 8.23
Turquoise Blue
#06B1C4
ΔE00 8.41
Greyblue
#77A1B5
ΔE00 8.70
Dark Cyan
#0A888A
ΔE00 10.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3F97AB #AB533F
analogous
#3FAB89 #3F97AB #3F61AB
triadic
#3F97AB #AB3F97 #97AB3F
tetradic
#3F97AB #893FAB #AB533F #61AB3F
square
#3F97AB #893FAB #AB533F #61AB3F
split-complementary
#3F97AB #AB3F61 #AB893F
monochromatic
#1E4852 #2F707E #3F97AB #62B3C5 #8FC9D6
Accessibility & contrast
On white
3.37
#3F97AB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.23
#3F97AB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3F97AB
6.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3F97AB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3F97AB | 1.00 | 3.37 | 6.23 | 6.23 |
| #FFFFFF | 3.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.23 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.23 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8992AC
Deuteranopia (green-blind)
#7987AB
Tritanopia (blue-blind)
#009E9D
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #3f97ab; /* rgb */ color: rgb(63, 151, 171); /* oklch */ color: oklch(63.1% 0.088 215.2);
Tailwind
colors: {
custom: {
50: '#80b5c4',
500: '#3f97ab',
950: '#000000',
},
}SCSS
$custom: #3f97ab; $custom-light: #80b5c4; $custom-dark: #000000;
JSON
{
"hex": "#3f97ab",
"rgb": {
"r": 63,
"g": 151,
"b": 171
},
"hsl": {
"h": 191.111,
"s": 46.154,
"l": 45.882
},
"oklch": {
"l": 0.63142,
"c": 0.08807,
"h": 215.2
},
"luminance": 0.2613
}Semantic roles & 50–950 ramp
primary
#3F97AB
secondary
#C19085
accent
#6A52D6
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1112
muted
#7C8081