#37759F#37759F
#37759F is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 54.0% C 0.092 H 241.0°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #37759F |
|---|---|
| RGB | rgb(55, 117, 159) |
| HSL | hsl(204, 49%, 42%) |
| HSV | hsv(204, 65%, 62%) |
| CMYK | cmyk(65.4%, 26.4%, 0%, 37.6%) |
| CIE-LAB | lab(47.02, -6.39, -28.53) |
| CIE-LCH | lch(47.02, 29.23, 257.38°) |
| OKLab | oklab(54.02% -0.0445 -0.0802) |
| OKLCH | oklch(54.02% 0.092 241) |
| XYZ | xyz(14.1925, 16.0366, 35.1416) |
| Luminance | 0.1604 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Muted Blue
#3B719F
ΔE00 2.41
Dull Blue
#49759C
ΔE00 2.83
Flat Blue
#3C73A8
ΔE00 3.24
Nice Blue
#107AB0
ΔE00 3.31
Cadet Blue
#4E7496
ΔE00 3.69
Stormy Blue
#507B9C
ΔE00 3.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37759F #9F6137
analogous
#379F95 #37759F #37419F
triadic
#37759F #9F3775 #759F37
tetradic
#37759F #95379F #9F6137 #419F37
square
#37759F #95379F #9F6137 #419F37
split-complementary
#37759F #9F3741 #9F9537
monochromatic
#183244 #275472 #37759F #5195C3 #7EB0D2
Accessibility & contrast
On white
4.99
#37759F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#37759F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #37759F
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37759F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37759F | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6275A1
Deuteranopia (green-blind)
#546B9E
Tritanopia (blue-blind)
#007F83
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #37759f; /* rgb */ color: rgb(55, 117, 159); /* oklch */ color: oklch(54.0% 0.092 241.0);
Tailwind
colors: {
custom: {
50: '#799cbb',
500: '#37759f',
950: '#000000',
},
}SCSS
$custom: #37759f; $custom-light: #799cbb; $custom-dark: #000000;
JSON
{
"hex": "#37759f",
"rgb": {
"r": 55,
"g": 117,
"b": 159
},
"hsl": {
"h": 204.231,
"s": 48.598,
"l": 41.961
},
"oklch": {
"l": 0.54023,
"c": 0.09177,
"h": 241
},
"luminance": 0.16038
}Semantic roles & 50–950 ramp
primary
#37759F
secondary
#BC9276
accent
#8750D8
background
#F7F9FB
surface
#EEF2F6
border
#C9CCD0
text
#0A0E12
muted
#7C7E81