#3375D9#3375D9
#3375D9 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.3% C 0.167 H 258.8°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).
Color values
| HEX | #3375D9 |
|---|---|
| RGB | rgb(51, 117, 217) |
| HSL | hsl(216, 69%, 53%) |
| HSV | hsv(216, 76%, 85%) |
| CMYK | cmyk(76.5%, 46.1%, 0%, 14.9%) |
| CIE-LAB | lab(50.02, 14.05, -57.23) |
| CIE-LCH | lch(50.02, 58.93, 283.79°) |
| OKLab | oklab(57.34% -0.0326 -0.1642) |
| OKLCH | oklch(57.34% 0.167 258.8) |
| XYZ | xyz(20.2463, 18.4338, 68.1232) |
| Luminance | 0.1844 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cerulean Blue
#056EEE
ΔE00 3.05
Deep Sky Blue
#0D75F8
ΔE00 3.07
Windows Blue
#3778BF
ΔE00 3.36
Clear Blue
#247AFD
ΔE00 4.27
Medium Blue
#2C6FBB
ΔE00 4.42
Bluish
#2976BB
ΔE00 4.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3375D9 #D99733
analogous
#33C8D9 #3375D9 #4433D9
triadic
#3375D9 #D93375 #75D933
tetradic
#3375D9 #D933C8 #D99733 #33D944
square
#3375D9 #D933C8 #D99733 #33D944
split-complementary
#3375D9 #D94433 #C8D933
monochromatic
#173F7B #2059AE #3375D9 #6798E3 #9ABBEC
Accessibility & contrast
On white
4.48
#3375D9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.69
#3375D9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3375D9
4.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3375D9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3375D9 | 1.00 | 4.48 | 4.69 | 4.69 |
| #FFFFFF | 4.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.69 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.69 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3F7FDD
Deuteranopia (green-blind)
#1470D7
Tritanopia (blue-blind)
#008D9C
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #3375d9; /* rgb */ color: rgb(51, 117, 217); /* oklch */ color: oklch(57.3% 0.167 258.8);
Tailwind
colors: {
custom: {
50: '#829ce5',
500: '#3375d9',
950: '#000000',
},
}SCSS
$custom: #3375d9; $custom-light: #829ce5; $custom-dark: #000000;
JSON
{
"hex": "#3375d9",
"rgb": {
"r": 51,
"g": 117,
"b": 217
},
"hsl": {
"h": 216.145,
"s": 68.595,
"l": 52.549
},
"oklch": {
"l": 0.57342,
"c": 0.16745,
"h": 258.8
},
"luminance": 0.18436
}Semantic roles & 50–950 ramp
primary
#3375D9
secondary
#D8BB90
accent
#A63CEB
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0E16
muted
#7D7E84