#397E9E#397E9E
#397E9E is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.2% C 0.085 H 231.0°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).
Color values
| HEX | #397E9E |
|---|---|
| RGB | rgb(57, 126, 158) |
| HSL | hsl(199, 47%, 42%) |
| HSV | hsv(199, 64%, 62%) |
| CMYK | cmyk(63.9%, 20.3%, 0%, 38%) |
| CIE-LAB | lab(49.81, -11.56, -23.62) |
| CIE-LCH | lch(49.81, 26.30, 243.91°) |
| OKLab | oklab(56.24% -0.0534 -0.066) |
| OKLCH | oklch(56.24% 0.085 231) |
| XYZ | xyz(15.3173, 18.2586, 35.0582) |
| Luminance | 0.1826 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 2.30
Cerulean
#007BA7
ΔE00 3.56
Stormy Blue
#507B9C
ΔE00 4.69
Sea Blue
#047495
ΔE00 5.01
Nice Blue
#107AB0
ΔE00 5.43
Steel Blue (survey)
#5A7D9A
ΔE00 5.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#397E9E #9E5939
analogous
#399E8C #397E9E #394B9E
triadic
#397E9E #9E397E #7E9E39
tetradic
#397E9E #8C399E #9E5939 #4B9E39
square
#397E9E #8C399E #9E5939 #4B9E39
split-complementary
#397E9E #9E394B #9E8C39
monochromatic
#193644 #295A71 #397E9E #539EC1 #80B8D1
Accessibility & contrast
On white
4.51
#397E9E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.65
#397E9E on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #397E9E
4.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##397E9E | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##397E9E | 1.00 | 4.51 | 4.65 | 4.65 |
| #FFFFFF | 4.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.65 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.65 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6E7CA0
Deuteranopia (green-blind)
#60729E
Tritanopia (blue-blind)
#008789
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #397e9e; /* rgb */ color: rgb(57, 126, 158); /* oklch */ color: oklch(56.2% 0.085 231.0);
Tailwind
colors: {
custom: {
50: '#7aa3ba',
500: '#397e9e',
950: '#000000',
},
}SCSS
$custom: #397e9e; $custom-light: #7aa3ba; $custom-dark: #000000;
JSON
{
"hex": "#397e9e",
"rgb": {
"r": 57,
"g": 126,
"b": 158
},
"hsl": {
"h": 199.01,
"s": 46.977,
"l": 42.157
},
"oklch": {
"l": 0.56241,
"c": 0.08494,
"h": 231
},
"luminance": 0.1826
}Semantic roles & 50–950 ramp
primary
#397E9E
secondary
#BB8D78
accent
#7B51D7
background
#F7FAFB
surface
#EEF3F6
border
#C9CDD0
text
#0A0F11
muted
#7C7F80