#373CAE#373CAE
#373CAE is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.9% C 0.178 H 274.1°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).
Color values
| HEX | #373CAE |
|---|---|
| RGB | rgb(55, 60, 174) |
| HSL | hsl(237, 52%, 45%) |
| HSV | hsv(237, 68%, 68%) |
| CMYK | cmyk(68.4%, 65.5%, 0%, 31.8%) |
| CIE-LAB | lab(32.03, 35.36, -61.42) |
| CIE-LCH | lch(32.03, 70.87, 299.93°) |
| OKLab | oklab(42.85% 0.0127 -0.1773) |
| OKLCH | oklch(42.85% 0.178 274.1) |
| XYZ | xyz(10.8289, 7.0989, 40.8357) |
| Luminance | 0.0710 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.37
Ocean Blue
#4F42B5
ΔE00 3.70
Blue Blue
#2242C7
ΔE00 3.98
Blueberry
#464196
ΔE00 4.63
Blue With A Hint Of Purple
#533CC6
ΔE00 5.29
Blurple
#5539CC
ΔE00 6.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#373CAE #AEA937
analogous
#3778AE #373CAE #6E37AE
triadic
#373CAE #AE373C #3CAE37
tetradic
#373CAE #AE3778 #AEA937 #37AE6E
square
#373CAE #AE3778 #AEA937 #37AE6E
split-complementary
#373CAE #AE6E37 #78AE37
monochromatic
#1A1C51 #282C7F #373CAE #585DCA #868AD9
Accessibility & contrast
On white
8.68
#373CAE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.42
#373CAE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #373CAE
8.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##373CAE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##373CAE | 1.00 | 8.68 | 2.42 | 8.68 |
| #FFFFFF | 8.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051B2
Deuteranopia (green-blind)
#0046AC
Tritanopia (blue-blind)
#005A6F
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #373cae; /* rgb */ color: rgb(55, 60, 174); /* oklch */ color: oklch(42.9% 0.178 274.1);
Tailwind
colors: {
custom: {
50: '#7d72c7',
500: '#373cae',
950: '#000000',
},
}SCSS
$custom: #373cae; $custom-light: #7d72c7; $custom-dark: #000000;
JSON
{
"hex": "#373cae",
"rgb": {
"r": 55,
"g": 60,
"b": 174
},
"hsl": {
"h": 237.479,
"s": 51.965,
"l": 44.902
},
"oklch": {
"l": 0.42851,
"c": 0.17775,
"h": 274.1
},
"luminance": 0.071
}Semantic roles & 50–950 ramp
primary
#373CAE
secondary
#C3C07E
accent
#D54CDB
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0813
muted
#7C7B82