#2B9BB3#2B9BB3
#2B9BB3 is a light, moderate cyan. Relative luminance 0.272; OKLCH L 63.9% C 0.102 H 215.7°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).
Color values
| HEX | #2B9BB3 |
|---|---|
| RGB | rgb(43, 155, 179) |
| HSL | hsl(191, 61%, 44%) |
| HSV | hsv(191, 76%, 70%) |
| CMYK | cmyk(76%, 13.4%, 0%, 29.8%) |
| CIE-LAB | lab(59.17, -22.44, -21.33) |
| CIE-LCH | lch(59.17, 30.96, 223.55°) |
| OKLab | oklab(63.91% -0.0828 -0.0595) |
| OKLCH | oklch(63.91% 0.102 215.7) |
| XYZ | xyz(20.8508, 27.2084, 46.7919) |
| Luminance | 0.2721 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 6.76
Turquoise Blue
#06B1C4
ΔE00 7.18
Cadetblue
#5F9EA0
ΔE00 8.32
Greyblue
#77A1B5
ΔE00 9.20
Dirty Blue
#3F829D
ΔE00 9.30
Dark Cyan
#0A888A
ΔE00 11.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B9BB3 #B3432B
analogous
#2BB387 #2B9BB3 #2B57B3
triadic
#2B9BB3 #B32B9B #9BB32B
tetradic
#2B9BB3 #872BB3 #B3432B #57B32B
square
#2B9BB3 #872BB3 #B3432B #57B32B
split-complementary
#2B9BB3 #B32B57 #B3872B
monochromatic
#134650 #1F7082 #2B9BB3 #48BBD3 #79CDDF
Accessibility & contrast
On white
3.26
#2B9BB3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.44
#2B9BB3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2B9BB3
6.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B9BB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2B9BB3 | 1.00 | 3.26 | 6.44 | 6.44 |
| #FFFFFF | 3.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.44 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.44 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8B96B4
Deuteranopia (green-blind)
#7889B3
Tritanopia (blue-blind)
#00A4A2
Achromatopsia (no color)
#8E8E8E
Design tokens & code
CSS
--color: #2b9bb3; /* rgb */ color: rgb(43, 155, 179); /* oklch */ color: oklch(63.9% 0.102 215.7);
Tailwind
colors: {
custom: {
50: '#7ab8c9',
500: '#2b9bb3',
950: '#000000',
},
}SCSS
$custom: #2b9bb3; $custom-light: #7ab8c9; $custom-dark: #000000;
JSON
{
"hex": "#2b9bb3",
"rgb": {
"r": 43,
"g": 155,
"b": 179
},
"hsl": {
"h": 190.588,
"s": 61.261,
"l": 43.529
},
"oklch": {
"l": 0.63905,
"c": 0.10196,
"h": 215.7
},
"luminance": 0.27211
}Semantic roles & 50–950 ramp
primary
#2B9BB3
secondary
#C78273
accent
#6043E4
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082