#377ACA#377ACA
#377ACA is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.6% C 0.141 H 254.6°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).
Color values
| HEX | #377ACA |
|---|---|
| RGB | rgb(55, 122, 202) |
| HSL | hsl(213, 58%, 50%) |
| HSV | hsv(213, 73%, 79%) |
| CMYK | cmyk(72.8%, 39.6%, 0%, 20.8%) |
| CIE-LAB | lab(50.68, 5.92, -47.64) |
| CIE-LCH | lch(50.68, 48.01, 277.09°) |
| OKLab | oklab(57.61% -0.0373 -0.1359) |
| OKLCH | oklch(57.61% 0.141 254.6) |
| XYZ | xyz(19.1918, 18.9934, 58.5203) |
| Luminance | 0.1900 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.46
Bluish
#2976BB
ΔE00 3.10
Steel Blue
#4682B4
ΔE00 4.25
Cool Blue
#4984B8
ΔE00 4.36
Medium Blue
#2C6FBB
ΔE00 4.38
Flat Blue
#3C73A8
ΔE00 4.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#377ACA #CA8737
analogous
#37C4CA #377ACA #3D37CA
triadic
#377ACA #CA377A #7ACA37
tetradic
#377ACA #CA37C4 #CA8737 #37CA3D
square
#377ACA #CA37C4 #CA8737 #37CA3D
split-complementary
#377ACA #CA3D37 #C4CA37
monochromatic
#1C406A #295D9B #377ACA #679AD7 #98BAE4
Accessibility & contrast
On white
4.38
#377ACA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.80
#377ACA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #377ACA
4.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##377ACA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##377ACA | 1.00 | 4.38 | 4.80 | 4.80 |
| #FFFFFF | 4.38 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.80 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.80 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5480CD
Deuteranopia (green-blind)
#3D72C8
Tritanopia (blue-blind)
#008D98
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #377aca; /* rgb */ color: rgb(55, 122, 202); /* oklch */ color: oklch(57.6% 0.141 254.6);
Tailwind
colors: {
custom: {
50: '#809fda',
500: '#377aca',
950: '#000000',
},
}SCSS
$custom: #377aca; $custom-light: #809fda; $custom-dark: #000000;
JSON
{
"hex": "#377aca",
"rgb": {
"r": 55,
"g": 122,
"b": 202
},
"hsl": {
"h": 212.653,
"s": 58.103,
"l": 50.392
},
"oklch": {
"l": 0.57606,
"c": 0.14096,
"h": 254.6
},
"luminance": 0.18996
}Semantic roles & 50–950 ramp
primary
#377ACA
secondary
#CFB18E
accent
#9B46E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83