#372B9C#372B9C
#372B9C is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.174 H 279.1°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).
Color values
| HEX | #372B9C |
|---|---|
| RGB | rgb(55, 43, 156) |
| HSL | hsl(246, 57%, 39%) |
| HSV | hsv(246, 72%, 61%) |
| CMYK | cmyk(64.7%, 72.4%, 0%, 38.8%) |
| CIE-LAB | lab(26.56, 39.60, -59.53) |
| CIE-LCH | lch(26.56, 71.49, 303.63°) |
| OKLab | oklab(38.4% 0.0276 -0.1718) |
| OKLCH | oklch(38.4% 0.174 279.1) |
| XYZ | xyz(8.4383, 4.9396, 31.9548) |
| Luminance | 0.0494 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 4.62
Sapphire (survey)
#2138AB
ΔE00 4.98
Royal
#0C1793
ΔE00 5.56
Blueberry
#464196
ΔE00 6.50
Darkslateblue
#483D8B
ΔE00 6.52
Cobalt Blue
#030AA7
ΔE00 6.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#372B9C #909C2B
analogous
#2B589C #372B9C #702B9C
triadic
#372B9C #9C372B #2B9C37
tetradic
#372B9C #9C2B58 #909C2B #2B9C70
square
#372B9C #9C2B58 #909C2B #2B9C70
split-complementary
#372B9C #9C702B #589C2B
monochromatic
#15113C #261E6C #372B9C #4A3BC9 #776BD6
Accessibility & contrast
On white
10.56
#372B9C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#372B9C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #372B9C
10.56:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##372B9C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##372B9C | 1.00 | 10.56 | 1.99 | 10.56 |
| #FFFFFF | 10.56 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.56 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00439F
Deuteranopia (green-blind)
#003A9A
Tritanopia (blue-blind)
#004A60
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #372b9c; /* rgb */ color: rgb(55, 43, 156); /* oklch */ color: oklch(38.4% 0.174 279.1);
Tailwind
colors: {
custom: {
50: '#7b66ba',
500: '#372b9c',
950: '#000000',
},
}SCSS
$custom: #372b9c; $custom-light: #7b66ba; $custom-dark: #000000;
JSON
{
"hex": "#372b9c",
"rgb": {
"r": 55,
"g": 43,
"b": 156
},
"hsl": {
"h": 246.372,
"s": 56.784,
"l": 39.02
},
"oklch": {
"l": 0.38396,
"c": 0.17397,
"h": 279.1
},
"luminance": 0.0494
}Semantic roles & 50–950 ramp
primary
#372B9C
secondary
#B4BD66
accent
#E048D0
background
#F8F6FB
surface
#EFEBF6
border
#CAC6D0
text
#0B0612
muted
#7C7A81