#397EDE#397EDE
#397EDE is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.8% C 0.162 H 257.4°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).
Color values
| HEX | #397EDE |
|---|---|
| RGB | rgb(57, 126, 222) |
| HSL | hsl(215, 71%, 55%) |
| HSV | hsv(215, 74%, 87%) |
| CMYK | cmyk(74.3%, 43.2%, 0%, 12.9%) |
| CIE-LAB | lab(53.02, 11.02, -55.23) |
| CIE-LCH | lch(53.02, 56.32, 281.29°) |
| OKLab | oklab(59.81% -0.0353 -0.1581) |
| OKLCH | oklch(59.81% 0.162 257.4) |
| XYZ | xyz(22.3282, 21.0630, 71.9819) |
| Luminance | 0.2107 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure
#007FFF
ΔE00 3.02
Clear Blue
#247AFD
ΔE00 3.39
Deep Sky Blue
#0D75F8
ΔE00 3.78
Dodger Blue
#3E82FC
ΔE00 3.92
Windows Blue
#3778BF
ΔE00 4.19
Lightish Blue
#3D7AFD
ΔE00 4.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#397EDE #DE9939
analogous
#39D1DE #397EDE #4639DE
triadic
#397EDE #DE397E #7EDE39
tetradic
#397EDE #DE39D1 #DE9939 #39DE46
square
#397EDE #DE39D1 #DE9939 #39DE46
split-complementary
#397EDE #DE4639 #D1DE39
monochromatic
#164586 #1F60BB #397EDE #6DA0E7 #A2C2EF
Accessibility & contrast
On white
4.03
#397EDE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.21
#397EDE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #397EDE
5.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##397EDE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##397EDE | 1.00 | 4.03 | 5.21 | 5.21 |
| #FFFFFF | 4.03 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.21 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.21 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E87E2
Deuteranopia (green-blind)
#2F78DC
Tritanopia (blue-blind)
#0095A3
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #397ede; /* rgb */ color: rgb(57, 126, 222); /* oklch */ color: oklch(59.8% 0.162 257.4);
Tailwind
colors: {
custom: {
50: '#85a2e9',
500: '#397ede',
950: '#000000',
},
}SCSS
$custom: #397ede; $custom-light: #85a2e9; $custom-dark: #000000;
JSON
{
"hex": "#397ede",
"rgb": {
"r": 57,
"g": 126,
"b": 222
},
"hsl": {
"h": 214.909,
"s": 71.429,
"l": 54.706
},
"oklch": {
"l": 0.5981,
"c": 0.16201,
"h": 257.4
},
"luminance": 0.21065
}Semantic roles & 50–950 ramp
primary
#397EDE
secondary
#DCBF97
accent
#A33AEE
background
#F8F9FE
surface
#F0F2FD
border
#CBCCD5
text
#0D0F16
muted
#7D7E84