#2B7BB3#2B7BB3
#2B7BB3 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.1% C 0.115 H 243.5°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).
Color values
| HEX | #2B7BB3 |
|---|---|
| RGB | rgb(43, 123, 179) |
| HSL | hsl(205, 61%, 44%) |
| HSV | hsv(205, 76%, 70%) |
| CMYK | cmyk(76%, 31.3%, 0%, 29.8%) |
| CIE-LAB | lab(49.41, -4.66, -36.46) |
| CIE-LCH | lch(49.41, 36.76, 262.72°) |
| OKLab | oklab(56.12% -0.0515 -0.1033) |
| OKLCH | oklch(56.12% 0.115 243.5) |
| XYZ | xyz(16.2127, 17.9323, 45.2459) |
| Luminance | 0.1793 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 2.19
Bluish
#2976BB
ΔE00 2.92
Steel Blue
#4682B4
ΔE00 3.49
Windows Blue
#3778BF
ΔE00 3.83
Flat Blue
#3C73A8
ΔE00 4.01
Cool Blue
#4984B8
ΔE00 4.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B7BB3 #B3632B
analogous
#2BB3A7 #2B7BB3 #2B37B3
triadic
#2B7BB3 #B32B7B #7BB32B
tetradic
#2B7BB3 #A72BB3 #B3632B #37B32B
square
#2B7BB3 #A72BB3 #B3632B #37B32B
split-complementary
#2B7BB3 #B32B37 #B3A72B
monochromatic
#133750 #1F5982 #2B7BB3 #489AD3 #79B5DF
Accessibility & contrast
On white
4.58
#2B7BB3 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.59
#2B7BB3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2B7BB3
4.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B7BB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2B7BB3 | 1.00 | 4.58 | 4.59 | 4.59 |
| #FFFFFF | 4.58 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.59 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.59 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#617CB5
Deuteranopia (green-blind)
#4E70B2
Tritanopia (blue-blind)
#00898F
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #2b7bb3; /* rgb */ color: rgb(43, 123, 179); /* oklch */ color: oklch(56.1% 0.115 243.5);
Tailwind
colors: {
custom: {
50: '#78a0ca',
500: '#2b7bb3',
950: '#000000',
},
}SCSS
$custom: #2b7bb3; $custom-light: #78a0ca; $custom-dark: #000000;
JSON
{
"hex": "#2b7bb3",
"rgb": {
"r": 43,
"g": 123,
"b": 179
},
"hsl": {
"h": 204.706,
"s": 61.261,
"l": 43.529
},
"oklch": {
"l": 0.56119,
"c": 0.11546,
"h": 243.5
},
"luminance": 0.17934
}Semantic roles & 50–950 ramp
primary
#2B7BB3
secondary
#C79573
accent
#8643E4
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E13
muted
#7C7E82