#3375B4#3375B4
#3375B4 is a mid, moderate cyan. Relative luminance 0.167; OKLCH L 55.0% C 0.119 H 250.0°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).
Color values
| HEX | #3375B4 |
|---|---|
| RGB | rgb(51, 117, 180) |
| HSL | hsl(209, 56%, 45%) |
| HSV | hsv(209, 72%, 71%) |
| CMYK | cmyk(71.7%, 35%, 0%, 29.4%) |
| CIE-LAB | lab(47.91, 0.40, -39.41) |
| CIE-LCH | lch(47.91, 39.41, 270.59°) |
| OKLab | oklab(55.02% -0.0407 -0.1119) |
| OKLCH | oklch(55.02% 0.119 250) |
| XYZ | xyz(15.9617, 16.7199, 45.5572) |
| Luminance | 0.1672 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 0.97
Flat Blue
#3C73A8
ΔE00 1.61
Windows Blue
#3778BF
ΔE00 1.88
Medium Blue
#2C6FBB
ΔE00 2.49
Muted Blue
#3B719F
ΔE00 2.92
Dull Blue
#49759C
ΔE00 3.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3375B4 #B47233
analogous
#33B4B2 #3375B4 #3335B4
triadic
#3375B4 #B43375 #75B433
tetradic
#3375B4 #B233B4 #B47233 #35B433
square
#3375B4 #B233B4 #B47233 #35B433
split-complementary
#3375B4 #B43335 #B4B233
monochromatic
#183755 #255684 #3375B4 #5594CF #85B2DC
Accessibility & contrast
On white
4.83
#3375B4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.34
#3375B4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3375B4
4.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3375B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3375B4 | 1.00 | 4.83 | 4.34 | 4.83 |
| #FFFFFF | 4.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5978B7
Deuteranopia (green-blind)
#466CB3
Tritanopia (blue-blind)
#00848C
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #3375b4; /* rgb */ color: rgb(51, 117, 180); /* oklch */ color: oklch(55.0% 0.119 250.0);
Tailwind
colors: {
custom: {
50: '#7b9ccb',
500: '#3375b4',
950: '#000000',
},
}SCSS
$custom: #3375b4; $custom-light: #7b9ccb; $custom-dark: #000000;
JSON
{
"hex": "#3375b4",
"rgb": {
"r": 51,
"g": 117,
"b": 180
},
"hsl": {
"h": 209.302,
"s": 55.844,
"l": 45.294
},
"oklch": {
"l": 0.55015,
"c": 0.1191,
"h": 250
},
"luminance": 0.16722
}Semantic roles & 50–950 ramp
primary
#3375B4
secondary
#C6A17D
accent
#9249DF
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82