#155D55#155D55
#155D55 is a dark, moderate teal. Relative luminance 0.086; OKLCH L 43.4% C 0.069 H 184.0°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).
Color values
| HEX | #155D55 |
|---|---|
| RGB | rgb(21, 93, 85) |
| HSL | hsl(173, 63%, 22%) |
| HSV | hsv(173, 77%, 36%) |
| CMYK | cmyk(77.4%, 0%, 8.6%, 63.5%) |
| CIE-LAB | lab(35.29, -23.52, -1.66) |
| CIE-LCH | lch(35.29, 23.58, 184.04°) |
| OKLab | oklab(43.35% -0.0691 -0.0049) |
| OKLCH | oklch(43.35% 0.069 184) |
| XYZ | xyz(5.8625, 8.6433, 9.9519) |
| Luminance | 0.0864 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Green Blue
#1F6357
ΔE00 2.60
Dark Turquoise
#045C5A
ΔE00 2.78
Dark Blue Green
#005249
ΔE00 3.75
Dark Aqua
#05696B
ΔE00 6.15
Dark Teal
#014D4E
ΔE00 6.58
Deep Teal
#00555A
ΔE00 6.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155D55 #5D151D
analogous
#155D31 #155D55 #15415D
triadic
#155D55 #55155D #5D5515
tetradic
#155D55 #31155D #5D151D #415D15
square
#155D55 #31155D #5D151D #415D15
split-complementary
#155D55 #5D1541 #5D3115
monochromatic
#061917 #0A2B27 #155D55 #208F83 #2CC1B0
Accessibility & contrast
On white
7.70
#155D55 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.73
#155D55 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155D55
7.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155D55 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155D55 | 1.00 | 7.70 | 2.73 | 7.70 |
| #FFFFFF | 7.70 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.73 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.70 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#585755
Deuteranopia (green-blind)
#4E5056
Tritanopia (blue-blind)
#005F5A
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #155d55; /* rgb */ color: rgb(21, 93, 85); /* oklch */ color: oklch(43.4% 0.069 184.0);
Tailwind
colors: {
custom: {
50: '#608b84',
500: '#155d55',
950: '#000000',
},
}SCSS
$custom: #155d55; $custom-light: #608b84; $custom-dark: #000000;
JSON
{
"hex": "#155d55",
"rgb": {
"r": 21,
"g": 93,
"b": 85
},
"hsl": {
"h": 173.333,
"s": 63.158,
"l": 22.353
},
"oklch": {
"l": 0.43354,
"c": 0.06932,
"h": 184
},
"luminance": 0.08644
}Semantic roles & 50–950 ramp
primary
#155D55
secondary
#943944
accent
#4254E6
background
#F6F8F8
surface
#EBF0EF
border
#C6CBCA
text
#050C0B
muted
#7A7D7C