#375ACD#375ACD
#375ACD is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.1% C 0.183 H 266.9°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #375ACD |
|---|---|
| RGB | rgb(55, 90, 205) |
| HSL | hsl(226, 60%, 51%) |
| HSV | hsv(226, 73%, 80%) |
| CMYK | cmyk(73.2%, 56.1%, 0%, 19.6%) |
| CIE-LAB | lab(42.05, 27.29, -63.25) |
| CIE-LCH | lch(42.05, 68.89, 293.34°) |
| OKLab | oklab(51.05% -0.01 -0.1824) |
| OKLCH | oklch(51.05% 0.183 266.9) |
| XYZ | xyz(16.2473, 12.5306, 59.3081) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Azul
#1D5DEC
ΔE00 3.82
Warm Blue
#4B57DB
ΔE00 3.86
Sapphire
#0F52BA
ΔE00 4.79
Denim
#1560BD
ΔE00 5.59
Royal Blue
#4169E1
ΔE00 5.67
Electric Blue
#0652FF
ΔE00 6.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#375ACD #CDAA37
analogous
#37A5CD #375ACD #5F37CD
triadic
#375ACD #CD375A #5ACD37
tetradic
#375ACD #CD37A5 #CDAA37 #37CD5F
square
#375ACD #CD37A5 #CDAA37 #37CD5F
split-complementary
#375ACD #CD5F37 #A5CD37
monochromatic
#1C2F6E #28449F #375ACD #6882D9 #99ABE5
Accessibility & contrast
On white
5.99
#375ACD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#375ACD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #375ACD
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##375ACD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##375ACD | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006AD1
Deuteranopia (green-blind)
#005DCB
Tritanopia (blue-blind)
#00768B
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #375acd; /* rgb */ color: rgb(55, 90, 205); /* oklch */ color: oklch(51.1% 0.183 266.9);
Tailwind
colors: {
custom: {
50: '#8288dd',
500: '#375acd',
950: '#000000',
},
}SCSS
$custom: #375acd; $custom-light: #8288dd; $custom-dark: #000000;
JSON
{
"hex": "#375acd",
"rgb": {
"r": 55,
"g": 90,
"b": 205
},
"hsl": {
"h": 226,
"s": 60,
"l": 50.98
},
"oklch": {
"l": 0.51054,
"c": 0.18264,
"h": 266.9
},
"luminance": 0.12532
}Semantic roles & 50–950 ramp
primary
#375ACD
secondary
#D1C28F
accent
#BE45E3
background
#F8F8FD
surface
#F0EFFB
border
#CBCAD4
text
#0C0B15
muted
#7D7C83