#375BD9#375BD9
#375BD9 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.2% C 0.197 H 267.0°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #375BD9 |
|---|---|
| RGB | rgb(55, 91, 217) |
| HSL | hsl(227, 68%, 53%) |
| HSV | hsv(227, 75%, 85%) |
| CMYK | cmyk(74.7%, 58.1%, 0%, 14.9%) |
| CIE-LAB | lab(43.22, 31.02, -68.24) |
| CIE-LCH | lch(43.22, 74.96, 294.45°) |
| OKLab | oklab(52.22% -0.0103 -0.197) |
| OKLCH | oklch(52.22% 0.197 267) |
| XYZ | xyz(17.8366, 13.3022, 67.2597) |
| Luminance | 0.1330 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Azul
#1D5DEC
ΔE00 2.48
Warm Blue
#4B57DB
ΔE00 3.03
Electric Blue
#0652FF
ΔE00 4.78
Royal Blue
#4169E1
ΔE00 4.79
Bright Blue
#0165FC
ΔE00 5.44
Sapphire
#0F52BA
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#375BD9 #D9B537
analogous
#37ACD9 #375BD9 #6437D9
triadic
#375BD9 #D9375B #5BD937
tetradic
#375BD9 #D937AC #D9B537 #37D964
square
#375BD9 #D937AC #D9B537 #37D964
split-complementary
#375BD9 #D96437 #ACD937
monochromatic
#182F7E #2242B1 #375BD9 #6A85E3 #9EAFED
Accessibility & contrast
On white
5.74
#375BD9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.66
#375BD9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #375BD9
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##375BD9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##375BD9 | 1.00 | 5.74 | 3.66 | 5.74 |
| #FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006EDD
Deuteranopia (green-blind)
#005FD7
Tritanopia (blue-blind)
#007B91
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #375bd9; /* rgb */ color: rgb(55, 91, 217); /* oklch */ color: oklch(52.2% 0.197 267.0);
Tailwind
colors: {
custom: {
50: '#8489e6',
500: '#375bd9',
950: '#000000',
},
}SCSS
$custom: #375bd9; $custom-light: #8489e6; $custom-dark: #000000;
JSON
{
"hex": "#375bd9",
"rgb": {
"r": 55,
"g": 91,
"b": 217
},
"hsl": {
"h": 226.667,
"s": 68.067,
"l": 53.333
},
"oklch": {
"l": 0.52215,
"c": 0.19726,
"h": 267
},
"luminance": 0.13304
}Semantic roles & 50–950 ramp
primary
#375BD9
secondary
#D9C993
accent
#C43DEB
background
#F8F8FE
surface
#F0EFFC
border
#CBCAD5
text
#0D0B16
muted
#7D7C84