#376BD3#376BD3
#376BD3 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.9% C 0.170 H 262.3°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #376BD3 |
|---|---|
| RGB | rgb(55, 107, 211) |
| HSL | hsl(220, 64%, 52%) |
| HSV | hsv(220, 74%, 83%) |
| CMYK | cmyk(73.9%, 49.3%, 0%, 17.3%) |
| CIE-LAB | lab(47.01, 18.62, -58.66) |
| CIE-LCH | lch(47.01, 61.54, 287.61°) |
| OKLab | oklab(54.95% -0.0227 -0.1686) |
| OKLCH | oklch(54.95% 0.17 262.3) |
| XYZ | xyz(18.5869, 16.0287, 63.7297) |
| Luminance | 0.1603 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 2.82
Cerulean Blue
#056EEE
ΔE00 3.32
Cornflower Blue
#5170D7
ΔE00 3.66
French Blue
#436BAD
ΔE00 4.30
Medium Blue
#2C6FBB
ΔE00 4.53
Bright Blue
#0165FC
ΔE00 4.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#376BD3 #D39F37
analogous
#37B9D3 #376BD3 #5137D3
triadic
#376BD3 #D3376B #6BD337
tetradic
#376BD3 #D337B9 #D39F37 #37D351
square
#376BD3 #D337B9 #D39F37 #37D351
split-complementary
#376BD3 #D35137 #B9D337
monochromatic
#1A3876 #2551A8 #376BD3 #6990DE #9BB5E9
Accessibility & contrast
On white
4.99
#376BD3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#376BD3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #376BD3
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##376BD3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##376BD3 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2E77D7
Deuteranopia (green-blind)
#0069D1
Tritanopia (blue-blind)
#008495
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #376bd3; /* rgb */ color: rgb(55, 107, 211); /* oklch */ color: oklch(54.9% 0.170 262.3);
Tailwind
colors: {
custom: {
50: '#8294e1',
500: '#376bd3',
950: '#000000',
},
}SCSS
$custom: #376bd3; $custom-light: #8294e1; $custom-dark: #000000;
JSON
{
"hex": "#376bd3",
"rgb": {
"r": 55,
"g": 107,
"b": 211
},
"hsl": {
"h": 220,
"s": 63.934,
"l": 52.157
},
"oklch": {
"l": 0.5495,
"c": 0.17008,
"h": 262.3
},
"luminance": 0.16031
}Semantic roles & 50–950 ramp
primary
#376BD3
secondary
#D5BE91
accent
#B041E7
background
#F8F9FD
surface
#F0F1FB
border
#CBCBD4
text
#0C0D15
muted
#7D7E83