#2B7DB4#2B7DB4
#2B7DB4 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.7% C 0.115 H 242.5°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).
Color values
| HEX | #2B7DB4 |
|---|---|
| RGB | rgb(43, 125, 180) |
| HSL | hsl(204, 61%, 44%) |
| HSV | hsv(204, 76%, 71%) |
| CMYK | cmyk(76.1%, 30.6%, 0%, 29.4%) |
| CIE-LAB | lab(50.07, -5.48, -36.02) |
| CIE-LCH | lch(50.07, 36.43, 261.35°) |
| OKLab | oklab(56.65% -0.0531 -0.102) |
| OKLCH | oklch(56.65% 0.115 242.5) |
| XYZ | xyz(16.5649, 18.4742, 45.8640) |
| Luminance | 0.1848 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 2.18
Steel Blue
#4682B4
ΔE00 3.12
Bluish
#2976BB
ΔE00 3.66
Cool Blue
#4984B8
ΔE00 3.96
Cerulean (survey)
#0485D1
ΔE00 4.12
Water Blue
#0E87CC
ΔE00 4.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B7DB4 #B4622B
analogous
#2BB4A6 #2B7DB4 #2B38B4
triadic
#2B7DB4 #B42B7D #7DB42B
tetradic
#2B7DB4 #A62BB4 #B4622B #38B42B
square
#2B7DB4 #A62BB4 #B4622B #38B42B
split-complementary
#2B7DB4 #B42B38 #B4A62B
monochromatic
#133851 #1F5B83 #2B7DB4 #499CD3 #7AB7DF
Accessibility & contrast
On white
4.47
#2B7DB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.70
#2B7DB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2B7DB4
4.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B7DB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2B7DB4 | 1.00 | 4.47 | 4.70 | 4.70 |
| #FFFFFF | 4.47 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.70 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.70 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#637EB6
Deuteranopia (green-blind)
#5171B3
Tritanopia (blue-blind)
#008B90
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #2b7db4; /* rgb */ color: rgb(43, 125, 180); /* oklch */ color: oklch(56.7% 0.115 242.5);
Tailwind
colors: {
custom: {
50: '#78a2ca',
500: '#2b7db4',
950: '#000000',
},
}SCSS
$custom: #2b7db4; $custom-light: #78a2ca; $custom-dark: #000000;
JSON
{
"hex": "#2b7db4",
"rgb": {
"r": 43,
"g": 125,
"b": 180
},
"hsl": {
"h": 204.088,
"s": 61.435,
"l": 43.725
},
"oklch": {
"l": 0.56651,
"c": 0.115,
"h": 242.5
},
"luminance": 0.18476
}Semantic roles & 50–950 ramp
primary
#2B7DB4
secondary
#C79573
accent
#8443E5
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0F13
muted
#7C7E82