#397FC0#397FC0
#397FC0 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.2% C 0.122 H 249.3°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).
Color values
| HEX | #397FC0 |
|---|---|
| RGB | rgb(57, 127, 192) |
| HSL | hsl(209, 54%, 49%) |
| HSV | hsv(209, 70%, 75%) |
| CMYK | cmyk(70.3%, 33.9%, 0%, 24.7%) |
| CIE-LAB | lab(51.67, -0.42, -40.36) |
| CIE-LCH | lch(51.67, 40.36, 269.40°) |
| OKLab | oklab(58.23% -0.0433 -0.1145) |
| OKLCH | oklch(58.23% 0.122 249.3) |
| XYZ | xyz(18.7876, 19.8523, 52.7007) |
| Luminance | 0.1985 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.16
Cool Blue
#4984B8
ΔE00 2.36
Windows Blue
#3778BF
ΔE00 2.75
Bluish
#2976BB
ΔE00 3.44
Cerulean (survey)
#0485D1
ΔE00 3.58
Off Blue
#5684AE
ΔE00 4.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#397FC0 #C07A39
analogous
#39C0BE #397FC0 #393CC0
triadic
#397FC0 #C0397F #7FC039
tetradic
#397FC0 #BE39C0 #C07A39 #3CC039
square
#397FC0 #BE39C0 #C07A39 #3CC039
split-complementary
#397FC0 #C0393C #C0BE39
monochromatic
#1D4162 #2B6091 #397FC0 #659DD1 #94BBDF
Accessibility & contrast
On white
4.22
#397FC0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.97
#397FC0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #397FC0
4.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##397FC0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##397FC0 | 1.00 | 4.22 | 4.97 | 4.97 |
| #FFFFFF | 4.22 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.97 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.97 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6282C3
Deuteranopia (green-blind)
#4F75BF
Tritanopia (blue-blind)
#008E96
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #397fc0; /* rgb */ color: rgb(57, 127, 192); /* oklch */ color: oklch(58.2% 0.122 249.3);
Tailwind
colors: {
custom: {
50: '#7fa3d3',
500: '#397fc0',
950: '#000000',
},
}SCSS
$custom: #397fc0; $custom-light: #7fa3d3; $custom-dark: #000000;
JSON
{
"hex": "#397fc0",
"rgb": {
"r": 57,
"g": 127,
"b": 192
},
"hsl": {
"h": 208.889,
"s": 54.217,
"l": 48.824
},
"oklch": {
"l": 0.58227,
"c": 0.12242,
"h": 249.3
},
"luminance": 0.19854
}Semantic roles & 50–950 ramp
primary
#397FC0
secondary
#CBA98A
accent
#914ADE
background
#F8FAFD
surface
#EFF3FA
border
#CACDD3
text
#0B0F14
muted
#7C7F83