#2B8BB4#2B8BB4
#2B8BB4 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.0% C 0.106 H 231.1°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).
Color values
| HEX | #2B8BB4 |
|---|---|
| RGB | rgb(43, 139, 180) |
| HSL | hsl(198, 61%, 44%) |
| HSV | hsv(198, 76%, 71%) |
| CMYK | cmyk(76.1%, 22.8%, 0%, 29.4%) |
| CIE-LAB | lab(54.31, -13.50, -29.38) |
| CIE-LCH | lch(54.31, 32.33, 245.32°) |
| OKLab | oklab(60.03% -0.0666 -0.0826) |
| OKLCH | oklch(60.03% 0.106 231.1) |
| XYZ | xyz(18.4638, 22.2719, 46.4970) |
| Luminance | 0.2227 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.85
Cerulean
#007BA7
ΔE00 6.18
Water Blue
#0E87CC
ΔE00 6.32
Steel Blue
#4682B4
ΔE00 6.55
Cool Blue
#4984B8
ΔE00 6.82
Dusty Blue
#5A86AD
ΔE00 6.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B8BB4 #B4542B
analogous
#2BB498 #2B8BB4 #2B46B4
triadic
#2B8BB4 #B42B8B #8BB42B
tetradic
#2B8BB4 #982BB4 #B4542B #46B42B
square
#2B8BB4 #982BB4 #B4542B #46B42B
split-complementary
#2B8BB4 #B42B46 #B4982B
monochromatic
#133F51 #1F6583 #2B8BB4 #49AAD3 #7AC1DF
Accessibility & contrast
On white
3.85
#2B8BB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.45
#2B8BB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2B8BB4
5.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B8BB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2B8BB4 | 1.00 | 3.85 | 5.45 | 5.45 |
| #FFFFFF | 3.85 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.45 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.45 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7689B6
Deuteranopia (green-blind)
#647CB3
Tritanopia (blue-blind)
#009699
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #2b8bb4; /* rgb */ color: rgb(43, 139, 180); /* oklch */ color: oklch(60.0% 0.106 231.1);
Tailwind
colors: {
custom: {
50: '#79acca',
500: '#2b8bb4',
950: '#000000',
},
}SCSS
$custom: #2b8bb4; $custom-light: #79acca; $custom-dark: #000000;
JSON
{
"hex": "#2b8bb4",
"rgb": {
"r": 43,
"g": 139,
"b": 180
},
"hsl": {
"h": 197.956,
"s": 61.435,
"l": 43.725
},
"oklch": {
"l": 0.60028,
"c": 0.10615,
"h": 231.1
},
"luminance": 0.22274
}Semantic roles & 50–950 ramp
primary
#2B8BB4
secondary
#C78D73
accent
#7443E5
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82