#3371B7#3371B7
#3371B7 is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.3% C 0.127 H 253.5°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).
Color values
| HEX | #3371B7 |
|---|---|
| RGB | rgb(51, 113, 183) |
| HSL | hsl(212, 56%, 46%) |
| HSV | hsv(212, 72%, 72%) |
| CMYK | cmyk(72.1%, 38.3%, 0%, 28.2%) |
| CIE-LAB | lab(46.88, 3.95, -42.76) |
| CIE-LCH | lch(46.88, 42.95, 275.28°) |
| OKLab | oklab(54.27% -0.0361 -0.1218) |
| OKLCH | oklch(54.27% 0.127 253.5) |
| XYZ | xyz(15.8144, 15.9312, 47.0321) |
| Luminance | 0.1593 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 0.82
Flat Blue
#3C73A8
ΔE00 1.98
Bluish
#2976BB
ΔE00 2.48
Mid Blue
#276AB3
ΔE00 2.58
Windows Blue
#3778BF
ΔE00 2.69
Muted Blue
#3B719F
ΔE00 3.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3371B7 #B77933
analogous
#33B3B7 #3371B7 #3733B7
triadic
#3371B7 #B73371 #71B733
tetradic
#3371B7 #B733B3 #B77933 #33B737
square
#3371B7 #B733B3 #B77933 #33B737
split-complementary
#3371B7 #B73733 #B3B733
monochromatic
#183657 #265387 #3371B7 #5790D0 #87B0DE
Accessibility & contrast
On white
5.02
#3371B7 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.19
#3371B7 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3371B7
5.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3371B7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3371B7 | 1.00 | 5.02 | 4.19 | 5.02 |
| #FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5176BA
Deuteranopia (green-blind)
#3D6AB6
Tritanopia (blue-blind)
#00818B
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #3371b7; /* rgb */ color: rgb(51, 113, 183); /* oklch */ color: oklch(54.3% 0.127 253.5);
Tailwind
colors: {
custom: {
50: '#7b99cd',
500: '#3371b7',
950: '#000000',
},
}SCSS
$custom: #3371b7; $custom-light: #7b99cd; $custom-dark: #000000;
JSON
{
"hex": "#3371b7",
"rgb": {
"r": 51,
"g": 113,
"b": 183
},
"hsl": {
"h": 211.818,
"s": 56.41,
"l": 45.882
},
"oklch": {
"l": 0.54268,
"c": 0.12704,
"h": 253.5
},
"luminance": 0.15933
}Semantic roles & 50–950 ramp
primary
#3371B7
secondary
#C7A57F
accent
#9848E0
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0D13
muted
#7C7E82