#3073B9#3073B9
#3073B9 is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.129 H 252.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #3073B9 |
|---|---|
| RGB | rgb(48, 115, 185) |
| HSL | hsl(211, 59%, 46%) |
| HSV | hsv(211, 74%, 73%) |
| CMYK | cmyk(74.1%, 37.8%, 0%, 27.5%) |
| CIE-LAB | lab(47.48, 3.04, -42.98) |
| CIE-LCH | lch(47.48, 43.08, 274.04°) |
| OKLab | oklab(54.74% -0.0394 -0.1224) |
| OKLCH | oklch(54.74% 0.129 252.2) |
| XYZ | xyz(16.1033, 16.3908, 48.2046) |
| Luminance | 0.1639 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.52
Bluish
#2976BB
ΔE00 1.56
Flat Blue
#3C73A8
ΔE00 1.94
Windows Blue
#3778BF
ΔE00 2.00
Muted Blue
#3B719F
ΔE00 3.28
Mid Blue
#276AB3
ΔE00 3.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3073B9 #B97630
analogous
#30B7B9 #3073B9 #3230B9
triadic
#3073B9 #B93073 #73B930
tetradic
#3073B9 #B930B7 #B97630 #30B932
square
#3073B9 #B930B7 #B97630 #30B932
split-complementary
#3073B9 #B93230 #B7B930
monochromatic
#173758 #235588 #3073B9 #5492D3 #84B1DF
Accessibility & contrast
On white
4.91
#3073B9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.28
#3073B9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3073B9
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3073B9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3073B9 | 1.00 | 4.91 | 4.28 | 4.91 |
| #FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5378BC
Deuteranopia (green-blind)
#3E6BB8
Tritanopia (blue-blind)
#00848D
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #3073b9; /* rgb */ color: rgb(48, 115, 185); /* oklch */ color: oklch(54.7% 0.129 252.2);
Tailwind
colors: {
custom: {
50: '#7a9ace',
500: '#3073b9',
950: '#000000',
},
}SCSS
$custom: #3073b9; $custom-light: #7a9ace; $custom-dark: #000000;
JSON
{
"hex": "#3073b9",
"rgb": {
"r": 48,
"g": 115,
"b": 185
},
"hsl": {
"h": 210.657,
"s": 58.798,
"l": 45.686
},
"oklch": {
"l": 0.54744,
"c": 0.12862,
"h": 252.2
},
"luminance": 0.16393
}Semantic roles & 50–950 ramp
primary
#3073B9
secondary
#C9A37C
accent
#9646E2
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82