#397FC2#397FC2
#397FC2 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.125 H 250.0°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #397FC2 |
|---|---|
| RGB | rgb(57, 127, 194) |
| HSL | hsl(209, 55%, 49%) |
| HSV | hsv(209, 71%, 76%) |
| CMYK | cmyk(70.6%, 34.5%, 0%, 23.9%) |
| CIE-LAB | lab(51.77, 0.29, -41.34) |
| CIE-LCH | lch(51.77, 41.34, 270.40°) |
| OKLab | oklab(58.34% -0.0428 -0.1174) |
| OKLCH | oklch(58.34% 0.125 250) |
| XYZ | xyz(19.0107, 19.9416, 53.8757) |
| Luminance | 0.1994 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.34
Cool Blue
#4984B8
ΔE00 2.45
Windows Blue
#3778BF
ΔE00 2.69
Bluish
#2976BB
ΔE00 3.51
Cerulean (survey)
#0485D1
ΔE00 3.68
Off Blue
#5684AE
ΔE00 4.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#397FC2 #C27C39
analogous
#39C2C1 #397FC2 #393BC2
triadic
#397FC2 #C2397F #7FC239
tetradic
#397FC2 #C139C2 #C27C39 #3BC239
square
#397FC2 #C139C2 #C27C39 #3BC239
split-complementary
#397FC2 #C2393B #C2C139
monochromatic
#1D4163 #2B6093 #397FC2 #669DD2 #95BCE0
Accessibility & contrast
On white
4.21
#397FC2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#397FC2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #397FC2
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##397FC2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##397FC2 | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6182C5
Deuteranopia (green-blind)
#4D76C1
Tritanopia (blue-blind)
#008F97
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #397fc2; /* rgb */ color: rgb(57, 127, 194); /* oklch */ color: oklch(58.3% 0.125 250.0);
Tailwind
colors: {
custom: {
50: '#7fa3d5',
500: '#397fc2',
950: '#000000',
},
}SCSS
$custom: #397fc2; $custom-light: #7fa3d5; $custom-dark: #000000;
JSON
{
"hex": "#397fc2",
"rgb": {
"r": 57,
"g": 127,
"b": 194
},
"hsl": {
"h": 209.343,
"s": 54.582,
"l": 49.216
},
"oklch": {
"l": 0.5834,
"c": 0.12492,
"h": 250
},
"luminance": 0.19944
}Semantic roles & 50–950 ramp
primary
#397FC2
secondary
#CBAB8B
accent
#924ADE
background
#F8FAFD
surface
#EFF3FA
border
#CACDD3
text
#0B0F14
muted
#7C7F83