#397FC6#397FC6
#397FC6 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.6% C 0.130 H 251.3°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).
Color values
| HEX | #397FC6 |
|---|---|
| RGB | rgb(57, 127, 198) |
| HSL | hsl(210, 55%, 50%) |
| HSV | hsv(210, 71%, 78%) |
| CMYK | cmyk(71.2%, 35.9%, 0%, 22.4%) |
| CIE-LAB | lab(51.98, 1.72, -43.30) |
| CIE-LCH | lch(51.98, 43.33, 272.28°) |
| OKLab | oklab(58.57% -0.0417 -0.1231) |
| OKLCH | oklch(58.57% 0.13 251.3) |
| XYZ | xyz(19.4660, 20.1237, 56.2735) |
| Luminance | 0.2013 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 2.67
Cool Blue
#4984B8
ΔE00 2.68
Steel Blue
#4682B4
ΔE00 2.72
Bluish
#2976BB
ΔE00 3.71
Cerulean (survey)
#0485D1
ΔE00 3.93
Off Blue
#5684AE
ΔE00 4.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#397FC6 #C68039
analogous
#39C5C6 #397FC6 #3A39C6
triadic
#397FC6 #C6397F #7FC639
tetradic
#397FC6 #C639C5 #C68039 #39C63A
square
#397FC6 #C639C5 #C68039 #39C63A
split-complementary
#397FC6 #C63A39 #C5C639
monochromatic
#1E4267 #2B6196 #397FC6 #699ED4 #98BCE1
Accessibility & contrast
On white
4.18
#397FC6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.03
#397FC6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #397FC6
5.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##397FC6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##397FC6 | 1.00 | 4.18 | 5.03 | 5.03 |
| #FFFFFF | 4.18 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.03 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.03 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F83C9
Deuteranopia (green-blind)
#4A76C5
Tritanopia (blue-blind)
#009099
Achromatopsia (no color)
#7C7C7C
Design tokens & code
CSS
--color: #397fc6; /* rgb */ color: rgb(57, 127, 198); /* oklch */ color: oklch(58.6% 0.130 251.3);
Tailwind
colors: {
custom: {
50: '#80a3d7',
500: '#397fc6',
950: '#000000',
},
}SCSS
$custom: #397fc6; $custom-light: #80a3d7; $custom-dark: #000000;
JSON
{
"hex": "#397fc6",
"rgb": {
"r": 57,
"g": 127,
"b": 198
},
"hsl": {
"h": 210.213,
"s": 55.294,
"l": 50
},
"oklch": {
"l": 0.58568,
"c": 0.12997,
"h": 251.3
},
"luminance": 0.20126
}Semantic roles & 50–950 ramp
primary
#397FC6
secondary
#CDAE8E
accent
#9449DF
background
#F8FAFD
surface
#F0F3FA
border
#CBCDD3
text
#0B0F14
muted
#7C7F83