#2B8BB0#2B8BB0
#2B8BB0 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.8% C 0.103 H 228.4°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).
Color values
| HEX | #2B8BB0 |
|---|---|
| RGB | rgb(43, 139, 176) |
| HSL | hsl(197, 61%, 43%) |
| HSV | hsv(197, 76%, 69%) |
| CMYK | cmyk(75.6%, 21%, 0%, 31%) |
| CIE-LAB | lab(54.14, -14.89, -27.35) |
| CIE-LCH | lch(54.14, 31.14, 241.44°) |
| OKLab | oklab(59.84% -0.0681 -0.0768) |
| OKLCH | oklch(59.84% 0.103 228.4) |
| XYZ | xyz(18.0622, 22.1113, 44.3818) |
| Luminance | 0.2211 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 4.14
Teal Blue
#01889F
ΔE00 6.18
Cerulean
#007BA7
ΔE00 6.39
Steel Blue
#4682B4
ΔE00 7.49
Dusty Blue
#5A86AD
ΔE00 7.61
Water Blue
#0E87CC
ΔE00 7.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B8BB0 #B0502B
analogous
#2BB093 #2B8BB0 #2B48B0
triadic
#2B8BB0 #B02B8B #8BB02B
tetradic
#2B8BB0 #932BB0 #B0502B #48B02B
square
#2B8BB0 #932BB0 #B0502B #48B02B
split-complementary
#2B8BB0 #B02B48 #B0932B
monochromatic
#133D4E #1F647F #2B8BB0 #46ABD2 #78C1DE
Accessibility & contrast
On white
3.87
#2B8BB0 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.42
#2B8BB0 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2B8BB0
5.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B8BB0 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2B8BB0 | 1.00 | 3.87 | 5.42 | 5.42 |
| #FFFFFF | 3.87 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.42 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.42 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7889B2
Deuteranopia (green-blind)
#667CB0
Tritanopia (blue-blind)
#009597
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #2b8bb0; /* rgb */ color: rgb(43, 139, 176); /* oklch */ color: oklch(59.8% 0.103 228.4);
Tailwind
colors: {
custom: {
50: '#78adc7',
500: '#2b8bb0',
950: '#000000',
},
}SCSS
$custom: #2b8bb0; $custom-light: #78adc7; $custom-dark: #000000;
JSON
{
"hex": "#2b8bb0",
"rgb": {
"r": 43,
"g": 139,
"b": 176
},
"hsl": {
"h": 196.692,
"s": 60.731,
"l": 42.941
},
"oklch": {
"l": 0.59836,
"c": 0.10265,
"h": 228.4
},
"luminance": 0.22113
}Semantic roles & 50–950 ramp
primary
#2B8BB0
secondary
#C68971
accent
#7044E4
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82