#3A74B9#3A74B9
#3A74B9 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.3% C 0.124 H 254.3°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).
Color values
| HEX | #3A74B9 |
|---|---|
| RGB | rgb(58, 116, 185) |
| HSL | hsl(213, 52%, 48%) |
| HSV | hsv(213, 69%, 73%) |
| CMYK | cmyk(68.6%, 37.3%, 0%, 27.5%) |
| CIE-LAB | lab(48.12, 3.90, -41.94) |
| CIE-LCH | lch(48.12, 42.12, 275.31°) |
| OKLab | oklab(55.34% -0.0336 -0.1193) |
| OKLCH | oklch(55.34% 0.124 254.3) |
| XYZ | xyz(16.7441, 16.8914, 48.2675) |
| Luminance | 0.1689 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.70
Medium Blue
#2C6FBB
ΔE00 1.94
Flat Blue
#3C73A8
ΔE00 2.21
Bluish
#2976BB
ΔE00 2.32
Muted Blue
#3B719F
ΔE00 3.71
Mid Blue
#276AB3
ΔE00 3.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A74B9 #B97F3A
analogous
#3AB4B9 #3A74B9 #3F3AB9
triadic
#3A74B9 #B93A74 #74B93A
tetradic
#3A74B9 #B93AB4 #B97F3A #3AB93F
square
#3A74B9 #B93AB4 #B97F3A #3AB93F
split-complementary
#3A74B9 #B93F3A #B4B93A
monochromatic
#1D3A5C #2B578A #3A74B9 #6293CE #91B3DC
Accessibility & contrast
On white
4.80
#3A74B9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.38
#3A74B9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3A74B9
4.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A74B9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3A74B9 | 1.00 | 4.80 | 4.38 | 4.80 |
| #FFFFFF | 4.80 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.80 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5579BC
Deuteranopia (green-blind)
#426DB8
Tritanopia (blue-blind)
#00848D
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #3a74b9; /* rgb */ color: rgb(58, 116, 185); /* oklch */ color: oklch(55.3% 0.124 254.3);
Tailwind
colors: {
custom: {
50: '#7e9bce',
500: '#3a74b9',
950: '#000000',
},
}SCSS
$custom: #3a74b9; $custom-light: #7e9bce; $custom-dark: #000000;
JSON
{
"hex": "#3a74b9",
"rgb": {
"r": 58,
"g": 116,
"b": 185
},
"hsl": {
"h": 212.598,
"s": 52.263,
"l": 47.647
},
"oklch": {
"l": 0.55341,
"c": 0.12391,
"h": 254.3
},
"luminance": 0.16893
}Semantic roles & 50–950 ramp
primary
#3A74B9
secondary
#C7AA87
accent
#9A4CDC
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82