#2A9DB5#2A9DB5
#2A9DB5 is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.5% C 0.103 H 215.4°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).
Color values
| HEX | #2A9DB5 |
|---|---|
| RGB | rgb(42, 157, 181) |
| HSL | hsl(190, 62%, 44%) |
| HSV | hsv(190, 77%, 71%) |
| CMYK | cmyk(76.8%, 13.3%, 0%, 29%) |
| CIE-LAB | lab(59.83, -22.94, -21.44) |
| CIE-LCH | lch(59.83, 31.40, 223.07°) |
| OKLab | oklab(64.46% -0.0843 -0.0598) |
| OKLCH | oklch(64.46% 0.103 215.4) |
| XYZ | xyz(21.3487, 27.9398, 47.9749) |
| Luminance | 0.2794 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.56
Teal Blue
#01889F
ΔE00 7.36
Cadetblue
#5F9EA0
ΔE00 8.23
Greyblue
#77A1B5
ΔE00 9.16
Dirty Blue
#3F829D
ΔE00 9.92
Dark Cyan
#0A888A
ΔE00 11.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A9DB5 #B5422A
analogous
#2AB587 #2A9DB5 #2A57B5
triadic
#2A9DB5 #B52A9D #9DB52A
tetradic
#2A9DB5 #872AB5 #B5422A #57B52A
square
#2A9DB5 #872AB5 #B5422A #57B52A
split-complementary
#2A9DB5 #B52A57 #B5872A
monochromatic
#134752 #1E7283 #2A9DB5 #48BCD4 #79CEE0
Accessibility & contrast
On white
3.19
#2A9DB5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.59
#2A9DB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2A9DB5
6.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A9DB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2A9DB5 | 1.00 | 3.19 | 6.59 | 6.59 |
| #FFFFFF | 3.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.59 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.59 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8C98B6
Deuteranopia (green-blind)
#7A8AB5
Tritanopia (blue-blind)
#00A6A4
Achromatopsia (no color)
#909090
Design tokens & code
CSS
--color: #2a9db5; /* rgb */ color: rgb(42, 157, 181); /* oklch */ color: oklch(64.5% 0.103 215.4);
Tailwind
colors: {
custom: {
50: '#7abacb',
500: '#2a9db5',
950: '#000000',
},
}SCSS
$custom: #2a9db5; $custom-light: #7abacb; $custom-dark: #000000;
JSON
{
"hex": "#2a9db5",
"rgb": {
"r": 42,
"g": 157,
"b": 181
},
"hsl": {
"h": 190.36,
"s": 62.332,
"l": 43.725
},
"oklch": {
"l": 0.64462,
"c": 0.10341,
"h": 215.4
},
"luminance": 0.27942
}Semantic roles & 50–950 ramp
primary
#2A9DB5
secondary
#C88273
accent
#5F42E5
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082