#377BAD#377BAD
#377BAD is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.2% C 0.104 H 243.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).
Color values
| HEX | #377BAD |
|---|---|
| RGB | rgb(55, 123, 173) |
| HSL | hsl(205, 52%, 45%) |
| HSV | hsv(205, 68%, 68%) |
| CMYK | cmyk(68.2%, 28.9%, 0%, 32.2%) |
| CIE-LAB | lab(49.49, -5.06, -32.85) |
| CIE-LCH | lch(49.49, 33.23, 261.24°) |
| OKLab | oklab(56.19% -0.0463 -0.0927) |
| OKLCH | oklch(56.19% 0.104 243.5) |
| XYZ | xyz(16.1985, 17.9936, 42.1465) |
| Luminance | 0.1799 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 2.66
Steel Blue
#4682B4
ΔE00 3.09
Bluish
#2976BB
ΔE00 3.11
Flat Blue
#3C73A8
ΔE00 3.61
Windows Blue
#3778BF
ΔE00 3.71
Dull Blue
#49759C
ΔE00 3.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#377BAD #AD6937
analogous
#37ADA4 #377BAD #3740AD
triadic
#377BAD #AD377B #7BAD37
tetradic
#377BAD #A437AD #AD6937 #40AD37
square
#377BAD #A437AD #AD6937 #40AD37
split-complementary
#377BAD #AD3740 #ADA437
monochromatic
#193950 #285A7F #377BAD #5799CA #86B5D8
Accessibility & contrast
On white
4.57
#377BAD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.60
#377BAD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #377BAD
4.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##377BAD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##377BAD | 1.00 | 4.57 | 4.60 | 4.60 |
| #FFFFFF | 4.57 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.60 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.60 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#647CAF
Deuteranopia (green-blind)
#5471AC
Tritanopia (blue-blind)
#00878C
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #377bad; /* rgb */ color: rgb(55, 123, 173); /* oklch */ color: oklch(56.2% 0.104 243.5);
Tailwind
colors: {
custom: {
50: '#7ba1c5',
500: '#377bad',
950: '#000000',
},
}SCSS
$custom: #377bad; $custom-light: #7ba1c5; $custom-dark: #000000;
JSON
{
"hex": "#377bad",
"rgb": {
"r": 55,
"g": 123,
"b": 173
},
"hsl": {
"h": 205.424,
"s": 51.754,
"l": 44.706
},
"oklch": {
"l": 0.56186,
"c": 0.10361,
"h": 243.5
},
"luminance": 0.17995
}Semantic roles & 50–950 ramp
primary
#377BAD
secondary
#C29B7D
accent
#894DDB
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82