#373E97#373E97
#373E97 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.2% C 0.144 H 274.8°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).
Color values
| HEX | #373E97 |
|---|---|
| RGB | rgb(55, 62, 151) |
| HSL | hsl(236, 47%, 40%) |
| HSV | hsv(236, 64%, 59%) |
| CMYK | cmyk(63.6%, 58.9%, 0%, 40.8%) |
| CIE-LAB | lab(30.62, 25.95, -49.85) |
| CIE-LCH | lch(30.62, 56.20, 297.51°) |
| OKLab | oklab(41.22% 0.012 -0.1433) |
| OKLCH | oklch(41.22% 0.144 274.8) |
| XYZ | xyz(8.8823, 6.4911, 30.0570) |
| Luminance | 0.0649 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 2.61
Sapphire (survey)
#2138AB
ΔE00 3.95
Darkslateblue
#483D8B
ΔE00 4.09
Ocean Blue
#4F42B5
ΔE00 5.89
Cobalt
#0047AB
ΔE00 6.35
Cobalt (survey)
#1E488F
ΔE00 6.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#373E97 #979037
analogous
#376E97 #373E97 #603797
triadic
#373E97 #97373E #3E9737
tetradic
#373E97 #97376E #979037 #379760
square
#373E97 #97376E #979037 #379760
split-complementary
#373E97 #976037 #6E9737
monochromatic
#16193D #272C6A #373E97 #4D55BE #7A80CF
Accessibility & contrast
On white
9.14
#373E97 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.30
#373E97 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #373E97
9.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##373E97 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##373E97 | 1.00 | 9.14 | 2.30 | 9.14 |
| #FFFFFF | 9.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004C9A
Deuteranopia (green-blind)
#004495
Tritanopia (blue-blind)
#005364
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #373e97; /* rgb */ color: rgb(55, 62, 151); /* oklch */ color: oklch(41.2% 0.144 274.8);
Tailwind
colors: {
custom: {
50: '#7873b6',
500: '#373e97',
950: '#000000',
},
}SCSS
$custom: #373e97; $custom-light: #7873b6; $custom-dark: #000000;
JSON
{
"hex": "#373e97",
"rgb": {
"r": 55,
"g": 62,
"b": 151
},
"hsl": {
"h": 235.625,
"s": 46.602,
"l": 40.392
},
"oklch": {
"l": 0.41218,
"c": 0.14381,
"h": 274.8
},
"luminance": 0.06492
}Semantic roles & 50–950 ramp
primary
#373E97
secondary
#B8B272
accent
#CD52D6
background
#F7F6FB
surface
#EEECF6
border
#C9C7D0
text
#0A0811
muted
#7C7B80