#155D54#155D54
#155D54 is a dark, moderate teal. Relative luminance 0.086; OKLCH L 43.3% C 0.070 H 182.7°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).
Color values
| HEX | #155D54 |
|---|---|
| RGB | rgb(21, 93, 84) |
| HSL | hsl(173, 63%, 22%) |
| HSV | hsv(173, 77%, 36%) |
| CMYK | cmyk(77.4%, 0%, 9.7%, 63.5%) |
| CIE-LAB | lab(35.26, -23.83, -1.09) |
| CIE-LCH | lch(35.26, 23.85, 182.61°) |
| OKLab | oklab(43.32% -0.0697 -0.0033) |
| OKLCH | oklch(43.32% 0.07 182.7) |
| XYZ | xyz(5.8231, 8.6275, 9.7442) |
| Luminance | 0.0863 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Green Blue
#1F6357
ΔE00 2.36
Dark Turquoise
#045C5A
ΔE00 3.22
Dark Blue Green
#005249
ΔE00 3.68
Dark Aqua
#05696B
ΔE00 6.50
Dark Teal
#014D4E
ΔE00 6.86
Deep Teal
#00555A
ΔE00 7.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155D54 #5D151E
analogous
#155D30 #155D54 #15425D
triadic
#155D54 #54155D #5D5415
tetradic
#155D54 #30155D #5D151E #425D15
square
#155D54 #30155D #5D151E #425D15
split-complementary
#155D54 #5D1542 #5D3015
monochromatic
#061917 #0A2B27 #155D54 #208F81 #2CC1AE
Accessibility & contrast
On white
7.70
#155D54 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.73
#155D54 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155D54
7.70:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155D54 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155D54 | 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)
#585754
Deuteranopia (green-blind)
#4E5055
Tritanopia (blue-blind)
#005F5A
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #155d54; /* rgb */ color: rgb(21, 93, 84); /* oklch */ color: oklch(43.3% 0.070 182.7);
Tailwind
colors: {
custom: {
50: '#5f8b84',
500: '#155d54',
950: '#000000',
},
}SCSS
$custom: #155d54; $custom-light: #5f8b84; $custom-dark: #000000;
JSON
{
"hex": "#155d54",
"rgb": {
"r": 21,
"g": 93,
"b": 84
},
"hsl": {
"h": 172.5,
"s": 63.158,
"l": 22.353
},
"oklch": {
"l": 0.43319,
"c": 0.06975,
"h": 182.7
},
"luminance": 0.08628
}Semantic roles & 50–950 ramp
primary
#155D54
secondary
#943945
accent
#4256E6
background
#F6F8F8
surface
#EBF0EF
border
#C6CBCA
text
#050C0A
muted
#7A7D7C