#397EAE#397EAE
#397EAE is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.0% C 0.102 H 242.0°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).
Color values
| HEX | #397EAE |
|---|---|
| RGB | rgb(57, 126, 174) |
| HSL | hsl(205, 51%, 45%) |
| HSV | hsv(205, 67%, 68%) |
| CMYK | cmyk(67.2%, 27.6%, 0%, 31.8%) |
| CIE-LAB | lab(50.51, -6.14, -31.83) |
| CIE-LCH | lch(50.51, 32.42, 259.08°) |
| OKLab | oklab(57.03% -0.0478 -0.0897) |
| OKLCH | oklch(57.03% 0.102 242) |
| XYZ | xyz(16.7853, 18.8458, 42.7892) |
| Luminance | 0.1885 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.42
Nice Blue
#107AB0
ΔE00 2.89
Cool Blue
#4984B8
ΔE00 3.37
Stormy Blue
#507B9C
ΔE00 3.89
Bluish
#2976BB
ΔE00 4.18
Off Blue
#5684AE
ΔE00 4.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#397EAE #AE6939
analogous
#39AEA3 #397EAE #3944AE
triadic
#397EAE #AE397E #7EAE39
tetradic
#397EAE #A339AE #AE6939 #44AE39
square
#397EAE #A339AE #AE6939 #44AE39
split-complementary
#397EAE #AE3944 #AEA339
monochromatic
#1B3B52 #2A5D80 #397EAE #5B9CC9 #89B8D8
Accessibility & contrast
On white
4.40
#397EAE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.77
#397EAE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #397EAE
4.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##397EAE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##397EAE | 1.00 | 4.40 | 4.77 | 4.77 |
| #FFFFFF | 4.40 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.77 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.77 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#687FB0
Deuteranopia (green-blind)
#5873AD
Tritanopia (blue-blind)
#008A8F
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #397eae; /* rgb */ color: rgb(57, 126, 174); /* oklch */ color: oklch(57.0% 0.102 242.0);
Tailwind
colors: {
custom: {
50: '#7ca3c6',
500: '#397eae',
950: '#000000',
},
}SCSS
$custom: #397eae; $custom-light: #7ca3c6; $custom-dark: #000000;
JSON
{
"hex": "#397eae",
"rgb": {
"r": 57,
"g": 126,
"b": 174
},
"hsl": {
"h": 204.615,
"s": 50.649,
"l": 45.294
},
"oklch": {
"l": 0.57025,
"c": 0.10162,
"h": 242
},
"luminance": 0.18848
}Semantic roles & 50–950 ramp
primary
#397EAE
secondary
#C39B80
accent
#874EDA
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0B0F13
muted
#7C7F82