#372A8D#372A8D
#372A8D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.8% C 0.156 H 281.5°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).
Color values
| HEX | #372A8D |
|---|---|
| RGB | rgb(55, 42, 141) |
| HSL | hsl(248, 54%, 36%) |
| HSV | hsv(248, 70%, 55%) |
| CMYK | cmyk(61%, 70.2%, 0%, 44.7%) |
| CIE-LAB | lab(24.92, 35.26, -52.98) |
| CIE-LCH | lch(24.92, 63.64, 303.65°) |
| OKLab | oklab(36.79% 0.031 -0.1526) |
| OKLCH | oklch(36.79% 0.156 281.5) |
| XYZ | xyz(7.2097, 4.3907, 25.6617) |
| Luminance | 0.0439 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 5.52
Darkslateblue
#483D8B
ΔE00 5.86
Indigo Blue
#3A18B1
ΔE00 6.25
Sapphire (survey)
#2138AB
ΔE00 6.38
Midnight Blue
#191970
ΔE00 6.43
Blueberry
#464196
ΔE00 6.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#372A8D #808D2A
analogous
#2A4E8D #372A8D #682A8D
triadic
#372A8D #8D372A #2A8D37
tetradic
#372A8D #8D2A4E #808D2A #2A8D68
square
#372A8D #8D2A4E #808D2A #2A8D68
split-complementary
#372A8D #8D682A #4E8D2A
monochromatic
#120E2F #251C5E #372A8D #4938BC #7061D0
Accessibility & contrast
On white
11.18
#372A8D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.88
#372A8D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #372A8D
11.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##372A8D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##372A8D | 1.00 | 11.18 | 1.88 | 11.18 |
| #FFFFFF | 11.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.88 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003F90
Deuteranopia (green-blind)
#00388B
Tritanopia (blue-blind)
#004458
Achromatopsia (no color)
#3B3B3B
Design tokens & code
CSS
--color: #372a8d; /* rgb */ color: rgb(55, 42, 141); /* oklch */ color: oklch(36.8% 0.156 281.5);
Tailwind
colors: {
custom: {
50: '#7865af',
500: '#372a8d',
950: '#000000',
},
}SCSS
$custom: #372a8d; $custom-light: #7865af; $custom-dark: #000000;
JSON
{
"hex": "#372a8d",
"rgb": {
"r": 55,
"g": 42,
"b": 141
},
"hsl": {
"h": 247.879,
"s": 54.098,
"l": 35.882
},
"oklch": {
"l": 0.36788,
"c": 0.15573,
"h": 281.5
},
"luminance": 0.04391
}Semantic roles & 50–950 ramp
primary
#372A8D
secondary
#AAB65D
accent
#DD4ACA
background
#F7F6FA
surface
#EEEBF5
border
#C9C6CF
text
#0A0510
muted
#7C7A7F