#373AD3#373AD3
#373AD3 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.1% C 0.226 H 272.3°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).
Color values
| HEX | #373AD3 |
|---|---|
| RGB | rgb(55, 58, 211) |
| HSL | hsl(239, 64%, 52%) |
| HSV | hsv(239, 74%, 83%) |
| CMYK | cmyk(73.9%, 72.5%, 0%, 17.3%) |
| CIE-LAB | lab(35.08, 49.07, -78.12) |
| CIE-LCH | lch(35.08, 92.26, 302.13°) |
| OKLab | oklab(46.11% 0.0092 -0.2261) |
| OKLCH | oklch(46.11% 0.226 272.3) |
| XYZ | xyz(14.8425, 8.5399, 62.4815) |
| Luminance | 0.0854 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue With A Hint Of Purple
#533CC6
ΔE00 3.35
Blurple
#5539CC
ΔE00 3.41
Blue Blue
#2242C7
ΔE00 3.61
Blue (survey)
#0343DF
ΔE00 3.68
Vibrant Blue
#0339F8
ΔE00 4.14
Ocean Blue
#4F42B5
ΔE00 4.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#373AD3 #D3D037
analogous
#3788D3 #373AD3 #8237D3
triadic
#373AD3 #D3373A #3AD337
tetradic
#373AD3 #D33788 #D3D037 #37D382
square
#373AD3 #D33788 #D3D037 #37D382
split-complementary
#373AD3 #D38237 #88D337
monochromatic
#1A1C76 #2527A8 #373AD3 #696BDE #9B9DE9
Accessibility & contrast
On white
7.75
#373AD3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#373AD3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #373AD3
7.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##373AD3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##373AD3 | 1.00 | 7.75 | 2.71 | 7.75 |
| #FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005AD7
Deuteranopia (green-blind)
#004BD0
Tritanopia (blue-blind)
#006683
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #373ad3; /* rgb */ color: rgb(55, 58, 211); /* oklch */ color: oklch(46.1% 0.226 272.3);
Tailwind
colors: {
custom: {
50: '#8672e2',
500: '#373ad3',
950: '#000000',
},
}SCSS
$custom: #373ad3; $custom-light: #8672e2; $custom-dark: #000000;
JSON
{
"hex": "#373ad3",
"rgb": {
"r": 55,
"g": 58,
"b": 211
},
"hsl": {
"h": 238.846,
"s": 63.934,
"l": 52.157
},
"oklch": {
"l": 0.46107,
"c": 0.22628,
"h": 272.3
},
"luminance": 0.08541
}Semantic roles & 50–950 ramp
primary
#373AD3
secondary
#D5D491
accent
#E441E7
background
#F9F7FE
surface
#F1EDFC
border
#CBC8D5
text
#0D0816
muted
#7E7B84