#373BAD#373BAD
#373BAD is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.6% C 0.178 H 274.4°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).
Color values
| HEX | #373BAD |
|---|---|
| RGB | rgb(55, 59, 173) |
| HSL | hsl(238, 52%, 45%) |
| HSV | hsv(238, 68%, 68%) |
| CMYK | cmyk(68.2%, 65.9%, 0%, 32.2%) |
| CIE-LAB | lab(31.71, 35.64, -61.35) |
| CIE-LCH | lch(31.71, 70.95, 300.15°) |
| OKLab | oklab(42.59% 0.0135 -0.1771) |
| OKLCH | oklch(42.59% 0.178 274.4) |
| XYZ | xyz(10.6798, 6.9563, 40.3069) |
| Luminance | 0.0696 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.29
Ocean Blue
#4F42B5
ΔE00 3.82
Blue Blue
#2242C7
ΔE00 4.23
Blueberry
#464196
ΔE00 4.61
Blue With A Hint Of Purple
#533CC6
ΔE00 5.35
Blurple
#5539CC
ΔE00 6.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#373BAD #ADA937
analogous
#3776AD #373BAD #6E37AD
triadic
#373BAD #AD373B #3BAD37
tetradic
#373BAD #AD3776 #ADA937 #37AD6E
square
#373BAD #AD3776 #ADA937 #37AD6E
split-complementary
#373BAD #AD6E37 #76AD37
monochromatic
#191B50 #282B7F #373BAD #575BCA #8689D8
Accessibility & contrast
On white
8.78
#373BAD on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.39
#373BAD on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #373BAD
8.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##373BAD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##373BAD | 1.00 | 8.78 | 2.39 | 8.78 |
| #FFFFFF | 8.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050B1
Deuteranopia (green-blind)
#0045AB
Tritanopia (blue-blind)
#00596E
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #373bad; /* rgb */ color: rgb(55, 59, 173); /* oklch */ color: oklch(42.6% 0.178 274.4);
Tailwind
colors: {
custom: {
50: '#7d71c6',
500: '#373bad',
950: '#000000',
},
}SCSS
$custom: #373bad; $custom-light: #7d71c6; $custom-dark: #000000;
JSON
{
"hex": "#373bad",
"rgb": {
"r": 55,
"g": 59,
"b": 173
},
"hsl": {
"h": 237.966,
"s": 51.754,
"l": 44.706
},
"oklch": {
"l": 0.42588,
"c": 0.17761,
"h": 274.4
},
"luminance": 0.06957
}Semantic roles & 50–950 ramp
primary
#373BAD
secondary
#C2C07D
accent
#D64DDB
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0713
muted
#7C7A82