#399FBF#399FBF
#399FBF is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.7% C 0.103 H 222.7°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).
Color values
| HEX | #399FBF |
|---|---|
| RGB | rgb(57, 159, 191) |
| HSL | hsl(194, 54%, 49%) |
| HSV | hsv(194, 70%, 75%) |
| CMYK | cmyk(70.2%, 16.8%, 0%, 25.1%) |
| CIE-LAB | lab(61.16, -18.81, -25.01) |
| CIE-LCH | lch(61.16, 31.30, 233.06°) |
| OKLab | oklab(65.74% -0.0757 -0.0699) |
| OKLCH | oklch(65.74% 0.103 222.7) |
| XYZ | xyz(23.4856, 29.4251, 53.7220) |
| Luminance | 0.2943 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.47
Turquoise Blue
#06B1C4
ΔE00 8.07
Teal Blue
#01889F
ΔE00 9.07
Dirty Blue
#3F829D
ΔE00 9.90
Bluegrey
#85A3B2
ΔE00 10.36
Cadetblue
#5F9EA0
ΔE00 10.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#399FBF #BF5939
analogous
#39BF9C #399FBF #395CBF
triadic
#399FBF #BF399F #9FBF39
tetradic
#399FBF #9C39BF #BF5939 #5CBF39
square
#399FBF #9C39BF #BF5939 #5CBF39
split-complementary
#399FBF #BF395C #BF9C39
monochromatic
#1D5161 #2B7890 #399FBF #64B7D1 #93CDDF
Accessibility & contrast
On white
3.05
#399FBF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.89
#399FBF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #399FBF
6.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##399FBF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##399FBF | 1.00 | 3.05 | 6.89 | 6.89 |
| #FFFFFF | 3.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.89 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.89 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8D9BC1
Deuteranopia (green-blind)
#7A8EBF
Tritanopia (blue-blind)
#00A9A9
Achromatopsia (no color)
#949494
Design tokens & code
CSS
--color: #399fbf; /* rgb */ color: rgb(57, 159, 191); /* oklch */ color: oklch(65.7% 0.103 222.7);
Tailwind
colors: {
custom: {
50: '#80bbd2',
500: '#399fbf',
950: '#000000',
},
}SCSS
$custom: #399fbf; $custom-light: #80bbd2; $custom-dark: #000000;
JSON
{
"hex": "#399fbf",
"rgb": {
"r": 57,
"g": 159,
"b": 191
},
"hsl": {
"h": 194.328,
"s": 54.032,
"l": 48.627
},
"oklch": {
"l": 0.65744,
"c": 0.10304,
"h": 222.7
},
"luminance": 0.29428
}Semantic roles & 50–950 ramp
primary
#399FBF
secondary
#CA998A
accent
#6E4ADD
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1214
muted
#7D8182