#3797B7#3797B7
#3797B7 is a light, moderate cyan. Relative luminance 0.264; OKLCH L 63.4% C 0.100 H 224.0°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).
Color values
| HEX | #3797B7 |
|---|---|
| RGB | rgb(55, 151, 183) |
| HSL | hsl(195, 54%, 47%) |
| HSV | hsv(195, 70%, 72%) |
| CMYK | cmyk(69.9%, 17.5%, 0%, 28.2%) |
| CIE-LAB | lab(58.38, -17.44, -24.78) |
| CIE-LCH | lch(58.38, 30.30, 234.86°) |
| OKLab | oklab(63.4% -0.0717 -0.0693) |
| OKLCH | oklch(63.4% 0.1 224) |
| XYZ | xyz(21.1859, 26.3620, 48.7624) |
| Luminance | 0.2636 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 7.11
Dirty Blue
#3F829D
ΔE00 7.40
Greyblue
#77A1B5
ΔE00 8.11
Dusty Blue
#5A86AD
ΔE00 9.88
Turquoise Blue
#06B1C4
ΔE00 10.03
Off Blue
#5684AE
ΔE00 10.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3797B7 #B75737
analogous
#37B797 #3797B7 #3757B7
triadic
#3797B7 #B73797 #97B737
tetradic
#3797B7 #9737B7 #B75737 #57B737
square
#3797B7 #9737B7 #B75737 #57B737
split-complementary
#3797B7 #B73757 #B79737
monochromatic
#1B4959 #297088 #3797B7 #5DB2CE #8CC8DC
Accessibility & contrast
On white
3.35
#3797B7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.27
#3797B7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3797B7
6.27:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3797B7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3797B7 | 1.00 | 3.35 | 6.27 | 6.27 |
| #FFFFFF | 3.35 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.27 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.27 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8594B9
Deuteranopia (green-blind)
#7387B7
Tritanopia (blue-blind)
#00A1A1
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #3797b7; /* rgb */ color: rgb(55, 151, 183); /* oklch */ color: oklch(63.4% 0.100 224.0);
Tailwind
colors: {
custom: {
50: '#7eb5cc',
500: '#3797b7',
950: '#000000',
},
}SCSS
$custom: #3797b7; $custom-light: #7eb5cc; $custom-dark: #000000;
JSON
{
"hex": "#3797b7",
"rgb": {
"r": 55,
"g": 151,
"b": 183
},
"hsl": {
"h": 195,
"s": 53.782,
"l": 46.667
},
"oklch": {
"l": 0.63403,
"c": 0.09967,
"h": 224
},
"luminance": 0.26364
}Semantic roles & 50–950 ramp
primary
#3797B7
secondary
#C79483
accent
#6F4BDD
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082