#156C81#156C81
#156C81 is a mid, moderate cyan. Relative luminance 0.125; OKLCH L 49.3% C 0.083 H 218.9°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).
Color values
| HEX | #156C81 |
|---|---|
| RGB | rgb(21, 108, 129) |
| HSL | hsl(192, 72%, 29%) |
| HSV | hsv(192, 84%, 51%) |
| CMYK | cmyk(83.7%, 16.3%, 0%, 49.4%) |
| CIE-LAB | lab(41.95, -16.67, -18.61) |
| CIE-LCH | lch(41.95, 24.99, 228.15°) |
| OKLab | oklab(49.28% -0.0646 -0.0521) |
| OKLCH | oklch(49.28% 0.083 218.9) |
| XYZ | xyz(9.6326, 12.4683, 22.6636) |
| Luminance | 0.1247 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 4.92
Ocean
#017B92
ΔE00 5.39
Petrol
#005F6A
ΔE00 6.36
Ocean Blue (survey)
#03719C
ΔE00 7.74
Deep Aqua
#08787F
ΔE00 7.88
Ugly Blue
#31668A
ΔE00 8.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#156C81 #812A15
analogous
#158160 #156C81 #153681
triadic
#156C81 #81156C #6C8115
tetradic
#156C81 #601581 #812A15 #368115
square
#156C81 #601581 #812A15 #368115
split-complementary
#156C81 #811536 #816015
monochromatic
#04161A #0C404C #156C81 #1E98B6 #33BCDE
Accessibility & contrast
On white
6.01
#156C81 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.49
#156C81 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #156C81
6.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##156C81 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##156C81 | 1.00 | 6.01 | 3.49 | 6.01 |
| #FFFFFF | 6.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F6982
Deuteranopia (green-blind)
#515F81
Tritanopia (blue-blind)
#007373
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #156c81; /* rgb */ color: rgb(21, 108, 129); /* oklch */ color: oklch(49.3% 0.083 218.9);
Tailwind
colors: {
custom: {
50: '#6796a5',
500: '#156c81',
950: '#000000',
},
}SCSS
$custom: #156c81; $custom-light: #6796a5; $custom-dark: #000000;
JSON
{
"hex": "#156c81",
"rgb": {
"r": 21,
"g": 108,
"b": 129
},
"hsl": {
"h": 191.667,
"s": 72,
"l": 29.412
},
"oklch": {
"l": 0.49283,
"c": 0.08297,
"h": 218.9
},
"luminance": 0.1247
}Semantic roles & 50–950 ramp
primary
#156C81
secondary
#B6543C
accent
#5C39EF
background
#F6F9FA
surface
#ECF2F4
border
#C7CCCE
text
#070D0F
muted
#7A7E7F