#2B87B3#2B87B3
#2B87B3 is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.0% C 0.107 H 234.0°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).
Color values
| HEX | #2B87B3 |
|---|---|
| RGB | rgb(43, 135, 179) |
| HSL | hsl(199, 61%, 44%) |
| HSV | hsv(199, 76%, 70%) |
| CMYK | cmyk(76%, 24.6%, 0%, 29.8%) |
| CIE-LAB | lab(53.05, -11.61, -30.77) |
| CIE-LCH | lch(53.05, 32.88, 249.33°) |
| OKLab | oklab(59.01% -0.0631 -0.0867) |
| OKLCH | oklch(59.01% 0.107 234) |
| XYZ | xyz(17.7937, 21.0941, 45.7729) |
| Luminance | 0.2110 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cerulean
#007BA7
ΔE00 4.87
Dirty Blue
#3F829D
ΔE00 4.92
Water Blue
#0E87CC
ΔE00 4.96
Steel Blue
#4682B4
ΔE00 5.12
Nice Blue
#107AB0
ΔE00 5.43
Cool Blue
#4984B8
ΔE00 5.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B87B3 #B3572B
analogous
#2BB39B #2B87B3 #2B43B3
triadic
#2B87B3 #B32B87 #87B32B
tetradic
#2B87B3 #9B2BB3 #B3572B #43B32B
square
#2B87B3 #9B2BB3 #B3572B #43B32B
split-complementary
#2B87B3 #B32B43 #B39B2B
monochromatic
#133D50 #1F6282 #2B87B3 #48A6D3 #79BEDF
Accessibility & contrast
On white
4.02
#2B87B3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.22
#2B87B3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2B87B3
5.22:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B87B3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2B87B3 | 1.00 | 4.02 | 5.22 | 5.22 |
| #FFFFFF | 4.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.22 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.22 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7186B5
Deuteranopia (green-blind)
#5F79B2
Tritanopia (blue-blind)
#009396
Achromatopsia (no color)
#7F7F7F
Design tokens & code
CSS
--color: #2b87b3; /* rgb */ color: rgb(43, 135, 179); /* oklch */ color: oklch(59.0% 0.107 234.0);
Tailwind
colors: {
custom: {
50: '#78aaca',
500: '#2b87b3',
950: '#000000',
},
}SCSS
$custom: #2b87b3; $custom-light: #78aaca; $custom-dark: #000000;
JSON
{
"hex": "#2b87b3",
"rgb": {
"r": 43,
"g": 135,
"b": 179
},
"hsl": {
"h": 199.412,
"s": 61.261,
"l": 43.529
},
"oklch": {
"l": 0.59007,
"c": 0.10721,
"h": 234
},
"luminance": 0.21096
}Semantic roles & 50–950 ramp
primary
#2B87B3
secondary
#C78E73
accent
#7743E4
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82