#37749F#37749F
#37749F is a mid, moderate cyan. Relative luminance 0.158; OKLCH L 53.8% C 0.092 H 242.0°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).
Color values
| HEX | #37749F |
|---|---|
| RGB | rgb(55, 116, 159) |
| HSL | hsl(205, 49%, 42%) |
| HSV | hsv(205, 65%, 62%) |
| CMYK | cmyk(65.4%, 27%, 0%, 37.6%) |
| CIE-LAB | lab(46.72, -5.79, -29.00) |
| CIE-LCH | lch(46.72, 29.58, 258.70°) |
| OKLab | oklab(53.78% -0.0434 -0.0816) |
| OKLCH | oklch(53.78% 0.092 242) |
| XYZ | xyz(14.0766, 15.8048, 35.1029) |
| Luminance | 0.1581 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Muted Blue
#3B719F
ΔE00 1.92
Dull Blue
#49759C
ΔE00 2.67
Flat Blue
#3C73A8
ΔE00 2.84
Nice Blue
#107AB0
ΔE00 3.56
Cadet Blue
#4E7496
ΔE00 3.57
Bluish
#2976BB
ΔE00 4.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37749F #9F6237
analogous
#379F96 #37749F #37409F
triadic
#37749F #9F3774 #749F37
tetradic
#37749F #96379F #9F6237 #409F37
square
#37749F #96379F #9F6237 #409F37
split-complementary
#37749F #9F3740 #9F9637
monochromatic
#183244 #275372 #37749F #5193C3 #7EB0D2
Accessibility & contrast
On white
5.05
#37749F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.16
#37749F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #37749F
5.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37749F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37749F | 1.00 | 5.05 | 4.16 | 5.05 |
| #FFFFFF | 5.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.16 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.05 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6174A1
Deuteranopia (green-blind)
#526A9E
Tritanopia (blue-blind)
#007F83
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #37749f; /* rgb */ color: rgb(55, 116, 159); /* oklch */ color: oklch(53.8% 0.092 242.0);
Tailwind
colors: {
custom: {
50: '#799bbb',
500: '#37749f',
950: '#000000',
},
}SCSS
$custom: #37749f; $custom-light: #799bbb; $custom-dark: #000000;
JSON
{
"hex": "#37749f",
"rgb": {
"r": 55,
"g": 116,
"b": 159
},
"hsl": {
"h": 204.808,
"s": 48.598,
"l": 41.961
},
"oklch": {
"l": 0.53781,
"c": 0.09246,
"h": 242
},
"luminance": 0.15806
}Semantic roles & 50–950 ramp
primary
#37749F
secondary
#BC9376
accent
#8850D8
background
#F7F9FB
surface
#EEF2F6
border
#C9CCD0
text
#0A0E12
muted
#7C7E81