#347FB0#347FB0
#347FB0 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.2% C 0.105 H 240.9°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #347FB0 |
|---|---|
| RGB | rgb(52, 127, 176) |
| HSL | hsl(204, 54%, 45%) |
| HSV | hsv(204, 70%, 69%) |
| CMYK | cmyk(70.5%, 27.8%, 0%, 31%) |
| CIE-LAB | lab(50.74, -6.83, -32.64) |
| CIE-LCH | lch(50.74, 33.35, 258.18°) |
| OKLab | oklab(57.19% -0.0513 -0.0921) |
| OKLCH | oklch(57.19% 0.105 240.9) |
| XYZ | xyz(16.8390, 19.0415, 43.8538) |
| Luminance | 0.1904 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.67
Nice Blue
#107AB0
ΔE00 2.69
Cool Blue
#4984B8
ΔE00 3.56
Water Blue
#0E87CC
ΔE00 4.19
Cerulean (survey)
#0485D1
ΔE00 4.36
Cerulean
#007BA7
ΔE00 4.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#347FB0 #B06534
analogous
#34B0A3 #347FB0 #3441B0
triadic
#347FB0 #B0347F #7FB034
tetradic
#347FB0 #A334B0 #B06534 #41B034
square
#347FB0 #A334B0 #B06534 #41B034
split-complementary
#347FB0 #B03441 #B0A334
monochromatic
#183B52 #265D81 #347FB0 #559DCD #84B8DB
Accessibility & contrast
On white
4.37
#347FB0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.81
#347FB0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #347FB0
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##347FB0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##347FB0 | 1.00 | 4.37 | 4.81 | 4.81 |
| #FFFFFF | 4.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#687FB2
Deuteranopia (green-blind)
#5773AF
Tritanopia (blue-blind)
#008B90
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #347fb0; /* rgb */ color: rgb(52, 127, 176); /* oklch */ color: oklch(57.2% 0.105 240.9);
Tailwind
colors: {
custom: {
50: '#7ba4c8',
500: '#347fb0',
950: '#000000',
},
}SCSS
$custom: #347fb0; $custom-light: #7ba4c8; $custom-dark: #000000;
JSON
{
"hex": "#347fb0",
"rgb": {
"r": 52,
"g": 127,
"b": 176
},
"hsl": {
"h": 203.71,
"s": 54.386,
"l": 44.706
},
"oklch": {
"l": 0.57191,
"c": 0.10542,
"h": 240.9
},
"luminance": 0.19043
}Semantic roles & 50–950 ramp
primary
#347FB0
secondary
#C4987C
accent
#844ADE
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0A0F13
muted
#7C7F82