#378EA1#378EA1
#378EA1 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.3% C 0.086 H 214.8°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).
Color values
| HEX | #378EA1 |
|---|---|
| RGB | rgb(55, 142, 161) |
| HSL | hsl(191, 49%, 42%) |
| HSV | hsv(191, 66%, 63%) |
| CMYK | cmyk(65.8%, 11.8%, 0%, 36.9%) |
| CIE-LAB | lab(54.79, -19.73, -17.72) |
| CIE-LCH | lch(54.79, 26.52, 221.93°) |
| OKLab | oklab(60.25% -0.071 -0.0493) |
| OKLCH | oklch(60.25% 0.086 214.8) |
| XYZ | xyz(17.6789, 22.7295, 37.1668) |
| Luminance | 0.2273 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 3.31
Dirty Blue
#3F829D
ΔE00 6.08
Ocean
#017B92
ΔE00 7.62
Dark Cyan
#0A888A
ΔE00 8.62
Cadetblue
#5F9EA0
ΔE00 8.73
Darkcyan
#008B8B
ΔE00 9.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#378EA1 #A14A37
analogous
#37A17F #378EA1 #3759A1
triadic
#378EA1 #A1378E #8EA137
tetradic
#378EA1 #7F37A1 #A14A37 #59A137
square
#378EA1 #7F37A1 #A14A37 #59A137
split-complementary
#378EA1 #A13759 #A17F37
monochromatic
#183E46 #276673 #378EA1 #51AFC4 #7FC4D3
Accessibility & contrast
On white
3.79
#378EA1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.55
#378EA1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #378EA1
5.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##378EA1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##378EA1 | 1.00 | 3.79 | 5.55 | 5.55 |
| #FFFFFF | 3.79 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.55 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.55 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#808AA2
Deuteranopia (green-blind)
#717EA1
Tritanopia (blue-blind)
#009594
Achromatopsia (no color)
#838383
Design tokens & code
CSS
--color: #378ea1; /* rgb */ color: rgb(55, 142, 161); /* oklch */ color: oklch(60.3% 0.086 214.8);
Tailwind
colors: {
custom: {
50: '#7bafbc',
500: '#378ea1',
950: '#000000',
},
}SCSS
$custom: #378ea1; $custom-light: #7bafbc; $custom-dark: #000000;
JSON
{
"hex": "#378ea1",
"rgb": {
"r": 55,
"g": 142,
"b": 161
},
"hsl": {
"h": 190.755,
"s": 49.074,
"l": 42.353
},
"oklch": {
"l": 0.6025,
"c": 0.08638,
"h": 214.8
},
"luminance": 0.22731
}Semantic roles & 50–950 ramp
primary
#378EA1
secondary
#BD8477
accent
#684FD9
background
#F7FAFB
surface
#EEF4F6
border
#C9CED0
text
#0A1012
muted
#7C7F81