#377EAE#377EAE
#377EAE is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.0% C 0.103 H 241.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).
Color values
| HEX | #377EAE |
|---|---|
| RGB | rgb(55, 126, 174) |
| HSL | hsl(204, 52%, 45%) |
| HSV | hsv(204, 68%, 68%) |
| CMYK | cmyk(68.4%, 27.6%, 0%, 31.8%) |
| CIE-LAB | lab(50.44, -6.47, -31.94) |
| CIE-LCH | lch(50.44, 32.59, 258.54°) |
| OKLab | oklab(56.95% -0.0491 -0.09) |
| OKLCH | oklch(56.95% 0.103 241.4) |
| XYZ | xyz(16.6735, 18.7881, 42.7839) |
| Luminance | 0.1879 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.63
Nice Blue
#107AB0
ΔE00 2.70
Cool Blue
#4984B8
ΔE00 3.57
Stormy Blue
#507B9C
ΔE00 4.01
Bluish
#2976BB
ΔE00 4.31
Cerulean
#007BA7
ΔE00 4.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#377EAE #AE6737
analogous
#37AEA3 #377EAE #3742AE
triadic
#377EAE #AE377E #7EAE37
tetradic
#377EAE #A337AE #AE6737 #42AE37
square
#377EAE #A337AE #AE6737 #42AE37
split-complementary
#377EAE #AE3742 #AEA337
monochromatic
#1A3B51 #285C7F #377EAE #589CCA #86B8D9
Accessibility & contrast
On white
4.41
#377EAE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.76
#377EAE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #377EAE
4.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##377EAE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##377EAE | 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)
#687EB0
Deuteranopia (green-blind)
#5873AD
Tritanopia (blue-blind)
#008A8F
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #377eae; /* rgb */ color: rgb(55, 126, 174); /* oklch */ color: oklch(57.0% 0.103 241.4);
Tailwind
colors: {
custom: {
50: '#7ba3c6',
500: '#377eae',
950: '#000000',
},
}SCSS
$custom: #377eae; $custom-light: #7ba3c6; $custom-dark: #000000;
JSON
{
"hex": "#377eae",
"rgb": {
"r": 55,
"g": 126,
"b": 174
},
"hsl": {
"h": 204.202,
"s": 51.965,
"l": 44.902
},
"oklch": {
"l": 0.56953,
"c": 0.10254,
"h": 241.4
},
"luminance": 0.1879
}Semantic roles & 50–950 ramp
primary
#377EAE
secondary
#C39A7E
accent
#864CDB
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0A0F13
muted
#7C7F82