#2B73B3#2B73B3
#2B73B3 is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.2% C 0.123 H 249.0°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2B73B3 |
|---|---|
| RGB | rgb(43, 115, 179) |
| HSL | hsl(208, 61%, 44%) |
| HSV | hsv(208, 76%, 70%) |
| CMYK | cmyk(76%, 35.8%, 0%, 29.8%) |
| CIE-LAB | lab(47.01, 0.16, -40.26) |
| CIE-LCH | lch(47.01, 40.26, 270.22°) |
| OKLab | oklab(54.23% -0.044 -0.1145) |
| OKLCH | oklch(54.23% 0.123 249) |
| XYZ | xyz(15.2606, 16.0280, 44.9285) |
| Luminance | 0.1603 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 1.35
Flat Blue
#3C73A8
ΔE00 1.72
Medium Blue
#2C6FBB
ΔE00 2.34
Muted Blue
#3B719F
ΔE00 2.62
Windows Blue
#3778BF
ΔE00 2.78
Mid Blue
#276AB3
ΔE00 3.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B73B3 #B36B2B
analogous
#2BB3AF #2B73B3 #2B2FB3
triadic
#2B73B3 #B32B73 #73B32B
tetradic
#2B73B3 #AF2BB3 #B36B2B #2FB32B
square
#2B73B3 #AF2BB3 #B36B2B #2FB32B
split-complementary
#2B73B3 #B32B2F #B3AF2B
monochromatic
#133450 #1F5382 #2B73B3 #4892D3 #79AFDF
Accessibility & contrast
On white
4.99
#2B73B3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.21
#2B73B3 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B73B3
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B73B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B73B3 | 1.00 | 4.99 | 4.21 | 4.99 |
| #FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5576B6
Deuteranopia (green-blind)
#416AB2
Tritanopia (blue-blind)
#00828A
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #2b73b3; /* rgb */ color: rgb(43, 115, 179); /* oklch */ color: oklch(54.2% 0.123 249.0);
Tailwind
colors: {
custom: {
50: '#779aca',
500: '#2b73b3',
950: '#000000',
},
}SCSS
$custom: #2b73b3; $custom-light: #779aca; $custom-dark: #000000;
JSON
{
"hex": "#2b73b3",
"rgb": {
"r": 43,
"g": 115,
"b": 179
},
"hsl": {
"h": 208.235,
"s": 61.261,
"l": 43.529
},
"oklch": {
"l": 0.54227,
"c": 0.12267,
"h": 249
},
"luminance": 0.1603
}Semantic roles & 50–950 ramp
primary
#2B73B3
secondary
#C79A73
accent
#8F43E4
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E13
muted
#7C7E82