#3397B1#3397B1
#3397B1 is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.0% C 0.098 H 218.8°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).
Color values
| HEX | #3397B1 |
|---|---|
| RGB | rgb(51, 151, 177) |
| HSL | hsl(192, 55%, 45%) |
| HSV | hsv(192, 71%, 69%) |
| CMYK | cmyk(71.2%, 14.7%, 0%, 30.6%) |
| CIE-LAB | lab(58.05, -19.97, -21.90) |
| CIE-LCH | lch(58.05, 29.64, 227.63°) |
| OKLab | oklab(63.03% -0.076 -0.0611) |
| OKLCH | oklch(63.03% 0.098 218.8) |
| XYZ | xyz(20.3644, 26.0090, 45.5334) |
| Luminance | 0.2601 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 5.95
Dirty Blue
#3F829D
ΔE00 7.70
Greyblue
#77A1B5
ΔE00 8.77
Turquoise Blue
#06B1C4
ΔE00 8.83
Cadetblue
#5F9EA0
ΔE00 9.17
Ocean
#017B92
ΔE00 10.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3397B1 #B14D33
analogous
#33B18C #3397B1 #3358B1
triadic
#3397B1 #B13397 #97B133
tetradic
#3397B1 #8C33B1 #B14D33 #58B133
square
#3397B1 #8C33B1 #B14D33 #58B133
split-complementary
#3397B1 #B13358 #B18C33
monochromatic
#184652 #256E81 #3397B1 #54B4CE #83C9DB
Accessibility & contrast
On white
3.39
#3397B1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.20
#3397B1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3397B1
6.20:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3397B1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3397B1 | 1.00 | 3.39 | 6.20 | 6.20 |
| #FFFFFF | 3.39 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.20 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.20 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8793B2
Deuteranopia (green-blind)
#7586B1
Tritanopia (blue-blind)
#00A09F
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #3397b1; /* rgb */ color: rgb(51, 151, 177); /* oklch */ color: oklch(63.0% 0.098 218.8);
Tailwind
colors: {
custom: {
50: '#7cb5c8',
500: '#3397b1',
950: '#000000',
},
}SCSS
$custom: #3397b1; $custom-light: #7cb5c8; $custom-dark: #000000;
JSON
{
"hex": "#3397b1",
"rgb": {
"r": 51,
"g": 151,
"b": 177
},
"hsl": {
"h": 192.381,
"s": 55.263,
"l": 44.706
},
"oklch": {
"l": 0.6303,
"c": 0.09753,
"h": 218.8
},
"luminance": 0.26011
}Semantic roles & 50–950 ramp
primary
#3397B1
secondary
#C58A7B
accent
#6849DF
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082