#156B81#156B81
#156B81 is a mid, moderate cyan. Relative luminance 0.123; OKLCH L 49.0% C 0.083 H 220.1°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).
Color values
| HEX | #156B81 |
|---|---|
| RGB | rgb(21, 107, 129) |
| HSL | hsl(192, 72%, 29%) |
| HSV | hsv(192, 84%, 51%) |
| CMYK | cmyk(83.7%, 17.1%, 0%, 49.4%) |
| CIE-LAB | lab(41.62, -16.11, -19.11) |
| CIE-LCH | lch(41.62, 25.00, 229.87°) |
| OKLab | oklab(49.02% -0.0636 -0.0535) |
| OKLCH | oklch(49.02% 0.083 220.1) |
| XYZ | xyz(9.5277, 12.2586, 22.6286) |
| Luminance | 0.1226 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 4.78
Ocean
#017B92
ΔE00 5.77
Petrol
#005F6A
ΔE00 6.48
Ocean Blue (survey)
#03719C
ΔE00 7.39
Ugly Blue
#31668A
ΔE00 8.21
Deep Aqua
#08787F
ΔE00 8.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#156B81 #812B15
analogous
#158161 #156B81 #153581
triadic
#156B81 #81156B #6B8115
tetradic
#156B81 #611581 #812B15 #358115
square
#156B81 #611581 #812B15 #358115
split-complementary
#156B81 #811535 #816115
monochromatic
#04161A #0C3F4C #156B81 #1E97B6 #33BBDE
Accessibility & contrast
On white
6.08
#156B81 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.45
#156B81 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #156B81
6.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##156B81 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##156B81 | 1.00 | 6.08 | 3.45 | 6.08 |
| #FFFFFF | 6.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.45 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E6882
Deuteranopia (green-blind)
#505E81
Tritanopia (blue-blind)
#007272
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #156b81; /* rgb */ color: rgb(21, 107, 129); /* oklch */ color: oklch(49.0% 0.083 220.1);
Tailwind
colors: {
custom: {
50: '#6795a5',
500: '#156b81',
950: '#000000',
},
}SCSS
$custom: #156b81; $custom-light: #6795a5; $custom-dark: #000000;
JSON
{
"hex": "#156b81",
"rgb": {
"r": 21,
"g": 107,
"b": 129
},
"hsl": {
"h": 192.222,
"s": 72,
"l": 29.412
},
"oklch": {
"l": 0.4902,
"c": 0.08311,
"h": 220.1
},
"luminance": 0.1226
}Semantic roles & 50–950 ramp
primary
#156B81
secondary
#B6553C
accent
#5E39EF
background
#F6F9FA
surface
#ECF1F4
border
#C7CBCE
text
#070D0F
muted
#7A7E7F