#155B5C#155B5C
#155B5C is a dark, moderate teal. Relative luminance 0.084; OKLCH L 43.1% C 0.066 H 196.4°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).
Color values
| HEX | #155B5C |
|---|---|
| RGB | rgb(21, 91, 92) |
| HSL | hsl(181, 63%, 22%) |
| HSV | hsv(181, 77%, 36%) |
| CMYK | cmyk(77.2%, 1.1%, 0%, 63.9%) |
| CIE-LAB | lab(34.83, -20.22, -6.71) |
| CIE-LCH | lch(34.83, 21.30, 198.37°) |
| OKLab | oklab(43.06% -0.0633 -0.0186) |
| OKLCH | oklch(43.06% 0.066 196.4) |
| XYZ | xyz(5.9812, 8.4136, 11.4319) |
| Luminance | 0.0841 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Turquoise
#045C5A
ΔE00 2.05
Deep Teal
#00555A
ΔE00 2.73
Dark Teal
#014D4E
ΔE00 4.57
Petrol
#005F6A
ΔE00 4.64
Dark Aqua
#05696B
ΔE00 4.82
Dark Blue Green
#005249
ΔE00 5.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155B5C #5C1615
analogous
#155C3A #155B5C #15385C
triadic
#155B5C #5C155B #5B5C15
tetradic
#155B5C #3A155C #5C1615 #385C15
square
#155B5C #3A155C #5C1615 #385C15
split-complementary
#155B5C #5C1538 #5C3A15
monochromatic
#061919 #0A2A2A #155B5C #208C8E #2CBEC0
Accessibility & contrast
On white
7.83
#155B5C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.68
#155B5C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155B5C
7.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155B5C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155B5C | 1.00 | 7.83 | 2.68 | 7.83 |
| #FFFFFF | 7.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#54565C
Deuteranopia (green-blind)
#4A4F5C
Tritanopia (blue-blind)
#005E5B
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #155b5c; /* rgb */ color: rgb(21, 91, 92); /* oklch */ color: oklch(43.1% 0.066 196.4);
Tailwind
colors: {
custom: {
50: '#60898a',
500: '#155b5c',
950: '#000000',
},
}SCSS
$custom: #155b5c; $custom-light: #60898a; $custom-dark: #000000;
JSON
{
"hex": "#155b5c",
"rgb": {
"r": 21,
"g": 91,
"b": 92
},
"hsl": {
"h": 180.845,
"s": 62.832,
"l": 22.157
},
"oklch": {
"l": 0.43059,
"c": 0.06601,
"h": 196.4
},
"luminance": 0.08414
}Semantic roles & 50–950 ramp
primary
#155B5C
secondary
#933B39
accent
#4442E6
background
#F6F8F8
surface
#EBF0F0
border
#C6CBCB
text
#050B0B
muted
#7A7C7C