#373BD3#373BD3
#373BD3 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.3% C 0.225 H 272.2°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).
Color values
| HEX | #373BD3 |
|---|---|
| RGB | rgb(55, 59, 211) |
| HSL | hsl(238, 64%, 52%) |
| HSV | hsv(238, 74%, 83%) |
| CMYK | cmyk(73.9%, 72%, 0%, 17.3%) |
| CIE-LAB | lab(35.29, 48.50, -77.79) |
| CIE-LCH | lch(35.29, 91.67, 301.94°) |
| OKLab | oklab(46.25% 0.0088 -0.2251) |
| OKLCH | oklch(46.25% 0.225 272.2) |
| XYZ | xyz(14.8934, 8.6417, 62.4985) |
| Luminance | 0.0864 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue With A Hint Of Purple
#533CC6
ΔE00 3.37
Blue Blue
#2242C7
ΔE00 3.45
Blurple
#5539CC
ΔE00 3.47
Blue (survey)
#0343DF
ΔE00 3.50
Vibrant Blue
#0339F8
ΔE00 4.11
Ocean Blue
#4F42B5
ΔE00 4.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#373BD3 #D3CF37
analogous
#3789D3 #373BD3 #8137D3
triadic
#373BD3 #D3373B #3BD337
tetradic
#373BD3 #D33789 #D3CF37 #37D381
square
#373BD3 #D33789 #D3CF37 #37D381
split-complementary
#373BD3 #D38137 #89D337
monochromatic
#1A1C76 #2528A8 #373BD3 #696CDE #9B9DE9
Accessibility & contrast
On white
7.70
#373BD3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.73
#373BD3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #373BD3
7.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##373BD3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##373BD3 | 1.00 | 7.70 | 2.73 | 7.70 |
| #FFFFFF | 7.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005AD7
Deuteranopia (green-blind)
#004BD0
Tritanopia (blue-blind)
#006683
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #373bd3; /* rgb */ color: rgb(55, 59, 211); /* oklch */ color: oklch(46.3% 0.225 272.2);
Tailwind
colors: {
custom: {
50: '#8672e2',
500: '#373bd3',
950: '#000000',
},
}SCSS
$custom: #373bd3; $custom-light: #8672e2; $custom-dark: #000000;
JSON
{
"hex": "#373bd3",
"rgb": {
"r": 55,
"g": 59,
"b": 211
},
"hsl": {
"h": 238.462,
"s": 63.934,
"l": 52.157
},
"oklch": {
"l": 0.46251,
"c": 0.2253,
"h": 272.2
},
"luminance": 0.08643
}Semantic roles & 50–950 ramp
primary
#373BD3
secondary
#D5D391
accent
#E341E7
background
#F9F7FE
surface
#F1EDFC
border
#CBC8D5
text
#0D0816
muted
#7E7B84