#372BC9#372BC9
#372BC9 is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 43.1% C 0.228 H 274.4°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).
Color values
| HEX | #372BC9 |
|---|---|
| RGB | rgb(55, 43, 201) |
| HSL | hsl(245, 65%, 48%) |
| HSV | hsv(245, 79%, 79%) |
| CMYK | cmyk(72.6%, 78.6%, 0%, 21.2%) |
| CIE-LAB | lab(31.24, 53.83, -78.66) |
| CIE-LCH | lch(31.24, 95.32, 304.39°) |
| OKLab | oklab(43.09% 0.0176 -0.2275) |
| OKLCH | oklch(43.09% 0.228 274.4) |
| XYZ | xyz(12.9785, 6.7557, 55.8670) |
| Luminance | 0.0676 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blurple
#5539CC
ΔE00 4.55
Purple Blue
#5D21D0
ΔE00 4.64
Ultramarine Blue
#1805DB
ΔE00 4.67
Violet Blue
#510AC9
ΔE00 4.73
Blue With A Hint Of Purple
#533CC6
ΔE00 4.75
True Blue
#010FCC
ΔE00 4.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#372BC9 #BDC92B
analogous
#2B6EC9 #372BC9 #862BC9
triadic
#372BC9 #C9372B #2BC937
tetradic
#372BC9 #C92B6E #BDC92B #2BC986
square
#372BC9 #C92B6E #BDC92B #2BC986
split-complementary
#372BC9 #C9862B #6EC92B
monochromatic
#1B1564 #292097 #372BC9 #6056DB #9089E6
Accessibility & contrast
On white
8.93
#372BC9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.35
#372BC9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #372BC9
8.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##372BC9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##372BC9 | 1.00 | 8.93 | 2.35 | 8.93 |
| #FFFFFF | 8.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051CD
Deuteranopia (green-blind)
#0042C6
Tritanopia (blue-blind)
#005B7A
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #372bc9; /* rgb */ color: rgb(55, 43, 201); /* oklch */ color: oklch(43.1% 0.228 274.4);
Tailwind
colors: {
custom: {
50: '#8568db',
500: '#372bc9',
950: '#000000',
},
}SCSS
$custom: #372bc9; $custom-light: #8568db; $custom-dark: #000000;
JSON
{
"hex": "#372bc9",
"rgb": {
"r": 55,
"g": 43,
"b": 201
},
"hsl": {
"h": 244.557,
"s": 64.754,
"l": 47.843
},
"oklch": {
"l": 0.43089,
"c": 0.22818,
"h": 274.4
},
"luminance": 0.06757
}Semantic roles & 50–950 ramp
primary
#372BC9
secondary
#C9CF80
accent
#E840DB
background
#F9F6FD
surface
#F1EBFB
border
#CBC6D4
text
#0D0615
muted
#7E7A83