#37598E#37598E
#37598E is a mid, moderate blue. Relative luminance 0.099; OKLCH L 46.4% C 0.095 H 259.0°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).
Color values
| HEX | #37598E |
|---|---|
| RGB | rgb(55, 89, 142) |
| HSL | hsl(217, 44%, 39%) |
| HSV | hsv(217, 61%, 56%) |
| CMYK | cmyk(61.3%, 37.3%, 0%, 44.3%) |
| CIE-LAB | lab(37.68, 4.89, -33.05) |
| CIE-LCH | lch(37.68, 33.41, 278.42°) |
| OKLab | oklab(46.41% -0.0183 -0.0937) |
| OKLCH | oklch(46.41% 0.095 259) |
| XYZ | xyz(10.0287, 9.9091, 26.9701) |
| Luminance | 0.0991 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim Blue
#3B5B92
ΔE00 0.99
Light Navy Blue
#2E5A88
ΔE00 2.63
Dusk Blue
#26538D
ΔE00 2.66
Dusky Blue
#475F94
ΔE00 3.29
Denim (survey)
#3B638C
ΔE00 4.18
Light Navy
#155084
ΔE00 4.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#37598E #8E6C37
analogous
#37848E #37598E #40378E
triadic
#37598E #8E3759 #598E37
tetradic
#37598E #8E3784 #8E6C37 #378E40
square
#37598E #8E3784 #8E6C37 #378E40
split-complementary
#37598E #8E4037 #848E37
monochromatic
#152236 #263D62 #37598E #4975B9 #7697CA
Accessibility & contrast
On white
7.04
#37598E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.98
#37598E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #37598E
7.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##37598E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##37598E | 1.00 | 7.04 | 2.98 | 7.04 |
| #FFFFFF | 7.04 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.98 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.04 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#435D90
Deuteranopia (green-blind)
#37558D
Tritanopia (blue-blind)
#00656D
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #37598e; /* rgb */ color: rgb(55, 89, 142); /* oklch */ color: oklch(46.4% 0.095 259.0);
Tailwind
colors: {
custom: {
50: '#7687af',
500: '#37598e',
950: '#000000',
},
}SCSS
$custom: #37598e; $custom-light: #7687af; $custom-dark: #000000;
JSON
{
"hex": "#37598e",
"rgb": {
"r": 55,
"g": 89,
"b": 142
},
"hsl": {
"h": 216.552,
"s": 44.162,
"l": 38.627
},
"oklch": {
"l": 0.46408,
"c": 0.09542,
"h": 259
},
"luminance": 0.0991
}Semantic roles & 50–950 ramp
primary
#37598E
secondary
#B3986E
accent
#A254D4
background
#F7F8FA
surface
#EDEFF4
border
#C8CACE
text
#090B10
muted
#7B7C7F