#37576E#37576E
#37576E is a dark, muted cyan. Relative luminance 0.088; OKLCH L 44.2% C 0.053 H 240.8°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).
Color values
| HEX | #37576E |
|---|---|
| RGB | rgb(55, 87, 110) |
| HSL | hsl(205, 33%, 32%) |
| HSV | hsv(205, 50%, 43%) |
| CMYK | cmyk(50%, 20.9%, 0%, 56.9%) |
| CIE-LAB | lab(35.51, -4.75, -16.80) |
| CIE-LCH | lch(35.51, 17.46, 254.20°) |
| OKLab | oklab(44.19% -0.0261 -0.0467) |
| OKLCH | oklch(44.19% 0.054 240.8) |
| XYZ | xyz(7.7972, 8.7538, 16.0276) |
| Luminance | 0.0875 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 5.63
Dark Grey Blue
#29465B
ΔE00 5.69
Light Navy Blue
#2E5A88
ΔE00 6.24
Deep Sea Blue
#015482
ΔE00 6.32
Ugly Blue
#31668A
ΔE00 6.38
Slate
#516572
ΔE00 6.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37576E #6E4E37
analogous
#376E6A #37576E #373C6E
triadic
#37576E #6E3757 #576E37
tetradic
#37576E #6A376E #6E4E37 #3C6E37
square
#37576E #6A376E #6E4E37 #3C6E37
split-complementary
#37576E #6E373C #6E6A37
monochromatic
#0E161C #233745 #37576E #4B7797 #6B96B5
Accessibility & contrast
On white
7.63
#37576E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#37576E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37576E
7.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37576E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37576E | 1.00 | 7.63 | 2.75 | 7.63 |
| #FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D576F
Deuteranopia (green-blind)
#46516E
Tritanopia (blue-blind)
#1E5D5F
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #37576e; /* rgb */ color: rgb(55, 87, 110); /* oklch */ color: oklch(44.2% 0.053 240.8);
Tailwind
colors: {
custom: {
50: '#718697',
500: '#37576e',
950: '#000000',
},
}SCSS
$custom: #37576e; $custom-light: #718697; $custom-dark: #000000;
JSON
{
"hex": "#37576e",
"rgb": {
"r": 55,
"g": 87,
"b": 110
},
"hsl": {
"h": 205.091,
"s": 33.333,
"l": 32.353
},
"oklch": {
"l": 0.44193,
"c": 0.0535,
"h": 240.8
},
"luminance": 0.08754
}Semantic roles & 50–950 ramp
primary
#37576E
secondary
#9E7C63
accent
#8B5EC9
background
#F7F8F9
surface
#EDEFF2
border
#C8CACC
text
#080B0D
muted
#7B7C7E