#3370B6#3370B6
#3370B6 is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.0% C 0.127 H 253.8°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).
Color values
| HEX | #3370B6 |
|---|---|
| RGB | rgb(51, 112, 182) |
| HSL | hsl(212, 56%, 46%) |
| HSV | hsv(212, 72%, 71%) |
| CMYK | cmyk(72%, 38.5%, 0%, 28.6%) |
| CIE-LAB | lab(46.54, 4.21, -42.74) |
| CIE-LCH | lch(46.54, 42.94, 275.62°) |
| OKLab | oklab(53.98% -0.0354 -0.1217) |
| OKLCH | oklch(53.98% 0.127 253.8) |
| XYZ | xyz(15.5998, 15.6678, 46.4490) |
| Luminance | 0.1567 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 0.64
Flat Blue
#3C73A8
ΔE00 2.09
Mid Blue
#276AB3
ΔE00 2.23
Bluish
#2976BB
ΔE00 2.82
Windows Blue
#3778BF
ΔE00 3.07
Muted Blue
#3B719F
ΔE00 3.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3370B6 #B67933
analogous
#33B1B6 #3370B6 #3733B6
triadic
#3370B6 #B63370 #70B633
tetradic
#3370B6 #B633B1 #B67933 #33B637
square
#3370B6 #B633B1 #B67933 #33B637
split-complementary
#3370B6 #B63733 #B1B633
monochromatic
#183556 #265386 #3370B6 #568FD0 #86AFDD
Accessibility & contrast
On white
5.08
#3370B6 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.13
#3370B6 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3370B6
5.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3370B6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3370B6 | 1.00 | 5.08 | 4.13 | 5.08 |
| #FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.13 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5075B9
Deuteranopia (green-blind)
#3C69B5
Tritanopia (blue-blind)
#00808A
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #3370b6; /* rgb */ color: rgb(51, 112, 182); /* oklch */ color: oklch(54.0% 0.127 253.8);
Tailwind
colors: {
custom: {
50: '#7b98cc',
500: '#3370b6',
950: '#000000',
},
}SCSS
$custom: #3370b6; $custom-light: #7b98cc; $custom-dark: #000000;
JSON
{
"hex": "#3370b6",
"rgb": {
"r": 51,
"g": 112,
"b": 182
},
"hsl": {
"h": 212.061,
"s": 56.223,
"l": 45.686
},
"oklch": {
"l": 0.53978,
"c": 0.12679,
"h": 253.8
},
"luminance": 0.1567
}Semantic roles & 50–950 ramp
primary
#3370B6
secondary
#C7A57E
accent
#9948E0
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0D13
muted
#7C7E82