#37588D#37588D
#37588D is a mid, moderate blue. Relative luminance 0.097; OKLCH L 46.1% C 0.095 H 259.5°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).
Color values
| HEX | #37588D |
|---|---|
| RGB | rgb(55, 88, 141) |
| HSL | hsl(217, 44%, 38%) |
| HSV | hsv(217, 61%, 55%) |
| CMYK | cmyk(61%, 37.6%, 0%, 44.7%) |
| CIE-LAB | lab(37.32, 5.18, -33.01) |
| CIE-LCH | lch(37.32, 33.41, 278.92°) |
| OKLab | oklab(46.12% -0.0174 -0.0935) |
| OKLCH | oklch(46.12% 0.095 259.5) |
| XYZ | xyz(9.8713, 9.7139, 26.5489) |
| Luminance | 0.0972 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim Blue
#3B5B92
ΔE00 1.21
Dusk Blue
#26538D
ΔE00 2.55
Light Navy Blue
#2E5A88
ΔE00 2.82
Dusky Blue
#475F94
ΔE00 3.40
Denim (survey)
#3B638C
ΔE00 4.52
Light Navy
#155084
ΔE00 4.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37588D #8D6C37
analogous
#37838D #37588D #41378D
triadic
#37588D #8D3758 #588D37
tetradic
#37588D #8D3783 #8D6C37 #378D41
square
#37588D #8D3783 #8D6C37 #378D41
split-complementary
#37588D #8D4137 #838D37
monochromatic
#152135 #263D61 #37588D #4974B8 #7595C9
Accessibility & contrast
On white
7.14
#37588D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.94
#37588D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37588D
7.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37588D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37588D | 1.00 | 7.14 | 2.94 | 7.14 |
| #FFFFFF | 7.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#425C8F
Deuteranopia (green-blind)
#36548C
Tritanopia (blue-blind)
#00646C
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #37588d; /* rgb */ color: rgb(55, 88, 141); /* oklch */ color: oklch(46.1% 0.095 259.5);
Tailwind
colors: {
custom: {
50: '#7586ae',
500: '#37588d',
950: '#000000',
},
}SCSS
$custom: #37588d; $custom-light: #7586ae; $custom-dark: #000000;
JSON
{
"hex": "#37588d",
"rgb": {
"r": 55,
"g": 88,
"b": 141
},
"hsl": {
"h": 216.977,
"s": 43.878,
"l": 38.431
},
"oklch": {
"l": 0.46115,
"c": 0.09514,
"h": 259.5
},
"luminance": 0.09715
}Semantic roles & 50–950 ramp
primary
#37588D
secondary
#B2986E
accent
#A354D4
background
#F7F8FA
surface
#EDEFF4
border
#C8CACE
text
#090B10
muted
#7B7C7F