#37576F#37576F
#37576F is a dark, muted cyan. Relative luminance 0.088; OKLCH L 44.2% C 0.055 H 241.9°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).
Color values
| HEX | #37576F |
|---|---|
| RGB | rgb(55, 87, 111) |
| HSL | hsl(206, 34%, 33%) |
| HSV | hsv(206, 50%, 44%) |
| CMYK | cmyk(50.5%, 21.6%, 0%, 56.5%) |
| CIE-LAB | lab(35.55, -4.43, -17.35) |
| CIE-LCH | lch(35.55, 17.91, 255.68°) |
| OKLab | oklab(44.24% -0.0257 -0.0483) |
| OKLCH | oklch(44.24% 0.055 241.9) |
| XYZ | xyz(7.8520, 8.7757, 16.3160) |
| Luminance | 0.0878 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 5.59
Dark Grey Blue
#29465B
ΔE00 5.74
Light Navy Blue
#2E5A88
ΔE00 5.81
Deep Sea Blue
#015482
ΔE00 6.04
Ugly Blue
#31668A
ΔE00 6.23
Denim (survey)
#3B638C
ΔE00 6.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37576F #6F4F37
analogous
#376F6B #37576F #373B6F
triadic
#37576F #6F3757 #576F37
tetradic
#37576F #6B376F #6F4F37 #3B6F37
square
#37576F #6B376F #6F4F37 #3B6F37
split-complementary
#37576F #6F373B #6F6B37
monochromatic
#0E171D #233746 #37576F #4B7798 #6B96B6
Accessibility & contrast
On white
7.62
#37576F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.76
#37576F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37576F
7.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37576F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37576F | 1.00 | 7.62 | 2.76 | 7.62 |
| #FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D5770
Deuteranopia (green-blind)
#45516F
Tritanopia (blue-blind)
#1D5D5F
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #37576f; /* rgb */ color: rgb(55, 87, 111); /* oklch */ color: oklch(44.2% 0.055 241.9);
Tailwind
colors: {
custom: {
50: '#718698',
500: '#37576f',
950: '#000000',
},
}SCSS
$custom: #37576f; $custom-light: #718698; $custom-dark: #000000;
JSON
{
"hex": "#37576f",
"rgb": {
"r": 55,
"g": 87,
"b": 111
},
"hsl": {
"h": 205.714,
"s": 33.735,
"l": 32.549
},
"oklch": {
"l": 0.44241,
"c": 0.0547,
"h": 241.9
},
"luminance": 0.08776
}Semantic roles & 50–950 ramp
primary
#37576F
secondary
#9F7D63
accent
#8C5ECA
background
#F7F8F9
surface
#EDEFF2
border
#C8CACC
text
#080B0D
muted
#7B7C7E