#397FA6#397FA6
#397FA6 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.9% C 0.092 H 236.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).
Color values
| HEX | #397FA6 |
|---|---|
| RGB | rgb(57, 127, 166) |
| HSL | hsl(201, 49%, 44%) |
| HSV | hsv(201, 66%, 65%) |
| CMYK | cmyk(65.7%, 23.5%, 0%, 34.9%) |
| CIE-LAB | lab(50.45, -9.46, -27.28) |
| CIE-LCH | lch(50.45, 28.87, 250.88°) |
| OKLab | oklab(56.87% -0.0516 -0.0765) |
| OKLCH | oklch(56.87% 0.092 236) |
| XYZ | xyz(16.1570, 18.8001, 38.8463) |
| Luminance | 0.1880 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 3.30
Nice Blue
#107AB0
ΔE00 3.69
Stormy Blue
#507B9C
ΔE00 3.85
Dirty Blue
#3F829D
ΔE00 4.16
Steel Blue
#4682B4
ΔE00 4.28
Cool Blue
#4984B8
ΔE00 5.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#397FA6 #A66039
analogous
#39A696 #397FA6 #3948A6
triadic
#397FA6 #A6397F #7FA639
tetradic
#397FA6 #9639A6 #A66039 #48A639
square
#397FA6 #9639A6 #A66039 #48A639
split-complementary
#397FA6 #A63948 #A69639
monochromatic
#1A394B #295C78 #397FA6 #579EC5 #84B8D5
Accessibility & contrast
On white
4.41
#397FA6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.76
#397FA6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #397FA6
4.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##397FA6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##397FA6 | 1.00 | 4.41 | 4.76 | 4.76 |
| #FFFFFF | 4.41 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.76 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.76 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6D7EA8
Deuteranopia (green-blind)
#5E73A5
Tritanopia (blue-blind)
#00898C
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #397fa6; /* rgb */ color: rgb(57, 127, 166); /* oklch */ color: oklch(56.9% 0.092 236.0);
Tailwind
colors: {
custom: {
50: '#7ba4c0',
500: '#397fa6',
950: '#000000',
},
}SCSS
$custom: #397fa6; $custom-light: #7ba4c0; $custom-dark: #000000;
JSON
{
"hex": "#397fa6",
"rgb": {
"r": 57,
"g": 127,
"b": 166
},
"hsl": {
"h": 201.468,
"s": 48.879,
"l": 43.725
},
"oklch": {
"l": 0.56865,
"c": 0.09229,
"h": 236
},
"luminance": 0.18802
}Semantic roles & 50–950 ramp
primary
#397FA6
secondary
#BF947C
accent
#804FD8
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#0A0F12
muted
#7C7F81