#37528D#37528D
#37528D is a dark, moderate blue. Relative luminance 0.088; OKLCH L 44.7% C 0.102 H 264.1°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).
Color values
| HEX | #37528D |
|---|---|
| RGB | rgb(55, 82, 141) |
| HSL | hsl(221, 44%, 38%) |
| HSV | hsv(221, 61%, 55%) |
| CMYK | cmyk(61%, 41.8%, 0%, 44.7%) |
| CIE-LAB | lab(35.54, 9.08, -35.84) |
| CIE-LCH | lch(35.54, 36.98, 284.21°) |
| OKLab | oklab(44.73% -0.0104 -0.1019) |
| OKLCH | oklch(44.73% 0.102 264.1) |
| XYZ | xyz(9.3989, 8.7691, 26.3914) |
| Luminance | 0.0877 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim Blue
#3B5B92
ΔE00 3.11
Dusk Blue
#26538D
ΔE00 3.20
Cobalt (survey)
#1E488F
ΔE00 3.92
Dusky Blue
#475F94
ΔE00 4.54
Light Navy Blue
#2E5A88
ΔE00 4.78
Light Navy
#155084
ΔE00 5.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37528D #8D7237
analogous
#377D8D #37528D #47378D
triadic
#37528D #8D3752 #528D37
tetradic
#37528D #8D377D #8D7237 #378D47
square
#37528D #8D377D #8D7237 #378D47
split-complementary
#37528D #8D4737 #7D8D37
monochromatic
#151F35 #263861 #37528D #496CB8 #7590C9
Accessibility & contrast
On white
7.63
#37528D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#37528D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37528D
7.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37528D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37528D | 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)
#38588F
Deuteranopia (green-blind)
#2D508C
Tritanopia (blue-blind)
#005F68
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #37528d; /* rgb */ color: rgb(55, 82, 141); /* oklch */ color: oklch(44.7% 0.102 264.1);
Tailwind
colors: {
custom: {
50: '#7682af',
500: '#37528d',
950: '#000000',
},
}SCSS
$custom: #37528d; $custom-light: #7682af; $custom-dark: #000000;
JSON
{
"hex": "#37528d",
"rgb": {
"r": 55,
"g": 82,
"b": 141
},
"hsl": {
"h": 221.163,
"s": 43.878,
"l": 38.431
},
"oklch": {
"l": 0.44729,
"c": 0.10243,
"h": 264.1
},
"luminance": 0.0877
}Semantic roles & 50–950 ramp
primary
#37528D
secondary
#B29D6E
accent
#AC54D4
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#090A10
muted
#7B7C7F