#3073BC#3073BC
#3073BC is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.133 H 253.0°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).
Color values
| HEX | #3073BC |
|---|---|
| RGB | rgb(48, 115, 188) |
| HSL | hsl(211, 59%, 46%) |
| HSV | hsv(211, 74%, 74%) |
| CMYK | cmyk(74.5%, 38.8%, 0%, 26.3%) |
| CIE-LAB | lab(47.65, 4.15, -44.45) |
| CIE-LCH | lch(47.65, 44.64, 275.33°) |
| OKLab | oklab(54.93% -0.0387 -0.1268) |
| OKLCH | oklch(54.93% 0.133 253) |
| XYZ | xyz(16.4234, 16.5188, 49.8901) |
| Luminance | 0.1652 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.46
Bluish
#2976BB
ΔE00 1.77
Windows Blue
#3778BF
ΔE00 1.88
Flat Blue
#3C73A8
ΔE00 2.24
Mid Blue
#276AB3
ΔE00 3.36
Muted Blue
#3B719F
ΔE00 3.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3073BC #BC7930
analogous
#30B9BC #3073BC #3330BC
triadic
#3073BC #BC3073 #73BC30
tetradic
#3073BC #BC30B9 #BC7930 #30BC33
square
#3073BC #BC30B9 #BC7930 #30BC33
split-complementary
#3073BC #BC3330 #B9BC30
monochromatic
#17375A #24558B #3073BC #5592D4 #86B1E0
Accessibility & contrast
On white
4.88
#3073BC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.30
#3073BC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3073BC
4.88:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3073BC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3073BC | 1.00 | 4.88 | 4.30 | 4.88 |
| #FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.88 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5178BF
Deuteranopia (green-blind)
#3B6BBB
Tritanopia (blue-blind)
#00848E
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #3073bc; /* rgb */ color: rgb(48, 115, 188); /* oklch */ color: oklch(54.9% 0.133 253.0);
Tailwind
colors: {
custom: {
50: '#7b9ad0',
500: '#3073bc',
950: '#000000',
},
}SCSS
$custom: #3073bc; $custom-light: #7b9ad0; $custom-dark: #000000;
JSON
{
"hex": "#3073bc",
"rgb": {
"r": 48,
"g": 115,
"b": 188
},
"hsl": {
"h": 211.286,
"s": 59.322,
"l": 46.275
},
"oklch": {
"l": 0.54926,
"c": 0.13252,
"h": 253
},
"luminance": 0.16521
}Semantic roles & 50–950 ramp
primary
#3073BC
secondary
#CAA67E
accent
#9745E3
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82