#155F72#155F72
#155F72 is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.1% C 0.075 H 219.6°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).
Color values
| HEX | #155F72 |
|---|---|
| RGB | rgb(21, 95, 114) |
| HSL | hsl(192, 69%, 26%) |
| HSV | hsv(192, 82%, 45%) |
| CMYK | cmyk(81.6%, 16.7%, 0%, 55.3%) |
| CIE-LAB | lab(37.04, -14.75, -17.03) |
| CIE-LCH | lch(37.04, 22.52, 229.10°) |
| OKLab | oklab(45.12% -0.0575 -0.0476) |
| OKLCH | oklch(45.12% 0.075 219.6) |
| XYZ | xyz(7.4374, 9.5578, 17.3692) |
| Luminance | 0.0956 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Petrol
#005F6A
ΔE00 4.45
Deep Teal
#00555A
ΔE00 7.74
Sea Blue
#047495
ΔE00 8.47
Ugly Blue
#31668A
ΔE00 8.96
Dark Aqua
#05696B
ΔE00 9.28
Peacock Blue
#016795
ΔE00 9.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155F72 #722815
analogous
#157257 #155F72 #153172
triadic
#155F72 #72155F #5F7215
tetradic
#155F72 #571572 #722815 #317215
square
#155F72 #571572 #722815 #317215
split-complementary
#155F72 #721531 #725715
monochromatic
#05161A #0B343E #155F72 #1F8AA6 #2AB4D8
Accessibility & contrast
On white
7.21
#155F72 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.91
#155F72 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155F72
7.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155F72 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155F72 | 1.00 | 7.21 | 2.91 | 7.21 |
| #FFFFFF | 7.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#535C73
Deuteranopia (green-blind)
#475372
Tritanopia (blue-blind)
#006565
Achromatopsia (no color)
#575757
Design tokens & code
CSS
--color: #155f72; /* rgb */ color: rgb(21, 95, 114); /* oklch */ color: oklch(45.1% 0.075 219.6);
Tailwind
colors: {
custom: {
50: '#648c9a',
500: '#155f72',
950: '#000000',
},
}SCSS
$custom: #155f72; $custom-light: #648c9a; $custom-dark: #000000;
JSON
{
"hex": "#155f72",
"rgb": {
"r": 21,
"g": 95,
"b": 114
},
"hsl": {
"h": 192.258,
"s": 68.889,
"l": 26.471
},
"oklch": {
"l": 0.45124,
"c": 0.07467,
"h": 219.6
},
"luminance": 0.09559
}Semantic roles & 50–950 ramp
primary
#155F72
secondary
#A8513B
accent
#603CEC
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060C0E
muted
#7A7D7E