#155C5B#155C5B
#155C5B is a dark, moderate teal. Relative luminance 0.086; OKLCH L 43.3% C 0.067 H 193.6°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).
Color values
| HEX | #155C5B |
|---|---|
| RGB | rgb(21, 92, 91) |
| HSL | hsl(179, 63%, 22%) |
| HSV | hsv(179, 77%, 36%) |
| CMYK | cmyk(77.2%, 0%, 1.1%, 63.9%) |
| CIE-LAB | lab(35.14, -21.08, -5.63) |
| CIE-LCH | lch(35.14, 21.82, 194.95°) |
| OKLab | oklab(43.3% -0.0649 -0.0157) |
| OKLCH | oklch(43.3% 0.067 193.6) |
| XYZ | xyz(6.0239, 8.5683, 11.2319) |
| Luminance | 0.0857 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Turquoise
#045C5A
ΔE00 1.22
Deep Teal
#00555A
ΔE00 3.61
Dark Aqua
#05696B
ΔE00 4.62
Dark Teal
#014D4E
ΔE00 4.95
Dark Blue Green
#005249
ΔE00 5.33
Dark Green Blue
#1F6357
ΔE00 5.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155C5B #5C1516
analogous
#155C38 #155C5B #153A5C
triadic
#155C5B #5B155C #5C5B15
tetradic
#155C5B #38155C #5C1516 #3A5C15
square
#155C5B #38155C #5C1516 #3A5C15
split-complementary
#155C5B #5C153A #5C3815
monochromatic
#061919 #0A2A2A #155C5B #208E8C #2CC0BE
Accessibility & contrast
On white
7.74
#155C5B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#155C5B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155C5B
7.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155C5B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155C5B | 1.00 | 7.74 | 2.71 | 7.74 |
| #FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#56575B
Deuteranopia (green-blind)
#4B4F5C
Tritanopia (blue-blind)
#005F5C
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #155c5b; /* rgb */ color: rgb(21, 92, 91); /* oklch */ color: oklch(43.3% 0.067 193.6);
Tailwind
colors: {
custom: {
50: '#608a89',
500: '#155c5b',
950: '#000000',
},
}SCSS
$custom: #155c5b; $custom-light: #608a89; $custom-dark: #000000;
JSON
{
"hex": "#155c5b",
"rgb": {
"r": 21,
"g": 92,
"b": 91
},
"hsl": {
"h": 179.155,
"s": 62.832,
"l": 22.157
},
"oklch": {
"l": 0.43299,
"c": 0.06681,
"h": 193.6
},
"luminance": 0.08569
}Semantic roles & 50–950 ramp
primary
#155C5B
secondary
#93393B
accent
#4244E6
background
#F6F8F8
surface
#EBF0F0
border
#C6CBCB
text
#050C0B
muted
#7A7D7C