#347CB1#347CB1
#347CB1 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.109 H 243.9°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).
Color values
| HEX | #347CB1 |
|---|---|
| RGB | rgb(52, 124, 177) |
| HSL | hsl(205, 55%, 45%) |
| HSV | hsv(205, 71%, 69%) |
| CMYK | cmyk(70.6%, 29.9%, 0%, 30.6%) |
| CIE-LAB | lab(49.88, -4.72, -34.56) |
| CIE-LCH | lch(49.88, 34.88, 262.22°) |
| OKLab | oklab(56.53% -0.0479 -0.0977) |
| OKLCH | oklch(56.53% 0.109 243.9) |
| XYZ | xyz(16.5566, 18.3179, 44.2496) |
| Luminance | 0.1832 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 2.69
Steel Blue
#4682B4
ΔE00 2.81
Bluish
#2976BB
ΔE00 3.08
Windows Blue
#3778BF
ΔE00 3.64
Cool Blue
#4984B8
ΔE00 3.71
Flat Blue
#3C73A8
ΔE00 3.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#347CB1 #B16934
analogous
#34B1A7 #347CB1 #343EB1
triadic
#347CB1 #B1347C #7CB134
tetradic
#347CB1 #A734B1 #B16934 #3EB134
square
#347CB1 #A734B1 #B16934 #3EB134
split-complementary
#347CB1 #B1343E #B1A734
monochromatic
#183A52 #265B82 #347CB1 #559ACD #84B6DB
Accessibility & contrast
On white
4.50
#347CB1 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.66
#347CB1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #347CB1
4.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##347CB1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##347CB1 | 1.00 | 4.50 | 4.66 | 4.66 |
| #FFFFFF | 4.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.66 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.66 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#647DB3
Deuteranopia (green-blind)
#5371B0
Tritanopia (blue-blind)
#00898F
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #347cb1; /* rgb */ color: rgb(52, 124, 177); /* oklch */ color: oklch(56.5% 0.109 243.9);
Tailwind
colors: {
custom: {
50: '#7ba1c8',
500: '#347cb1',
950: '#000000',
},
}SCSS
$custom: #347cb1; $custom-light: #7ba1c8; $custom-dark: #000000;
JSON
{
"hex": "#347cb1",
"rgb": {
"r": 52,
"g": 124,
"b": 177
},
"hsl": {
"h": 205.44,
"s": 54.585,
"l": 44.902
},
"oklch": {
"l": 0.56529,
"c": 0.10882,
"h": 243.9
},
"luminance": 0.1832
}Semantic roles & 50–950 ramp
primary
#347CB1
secondary
#C59B7C
accent
#894ADE
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0F13
muted
#7C7E82