#155C5A#155C5A
#155C5A is a dark, moderate teal. Relative luminance 0.086; OKLCH L 43.3% C 0.067 H 192.1°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).
Color values
| HEX | #155C5A |
|---|---|
| RGB | rgb(21, 92, 90) |
| HSL | hsl(178, 63%, 22%) |
| HSV | hsv(178, 77%, 36%) |
| CMYK | cmyk(77.2%, 0%, 2.2%, 63.9%) |
| CIE-LAB | lab(35.11, -21.41, -5.05) |
| CIE-LCH | lch(35.11, 21.99, 193.28°) |
| OKLab | oklab(43.26% -0.0654 -0.0141) |
| OKLCH | oklch(43.26% 0.067 192.1) |
| XYZ | xyz(5.9810, 8.5512, 11.0062) |
| Luminance | 0.0855 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Turquoise
#045C5A
ΔE00 0.99
Deep Teal
#00555A
ΔE00 3.99
Dark Aqua
#05696B
ΔE00 4.76
Dark Green Blue
#1F6357
ΔE00 4.95
Dark Blue Green
#005249
ΔE00 4.96
Dark Teal
#014D4E
ΔE00 5.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155C5A #5C1517
analogous
#155C37 #155C5A #153B5C
triadic
#155C5A #5A155C #5C5A15
tetradic
#155C5A #37155C #5C1517 #3B5C15
square
#155C5A #37155C #5C1517 #3B5C15
split-complementary
#155C5A #5C153B #5C3715
monochromatic
#061918 #0A2A29 #155C5A #208E8B #2CC0BB
Accessibility & contrast
On white
7.75
#155C5A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#155C5A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155C5A
7.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155C5A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155C5A | 1.00 | 7.75 | 2.71 | 7.75 |
| #FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#56575A
Deuteranopia (green-blind)
#4C4F5B
Tritanopia (blue-blind)
#005F5B
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #155c5a; /* rgb */ color: rgb(21, 92, 90); /* oklch */ color: oklch(43.3% 0.067 192.1);
Tailwind
colors: {
custom: {
50: '#608a88',
500: '#155c5a',
950: '#000000',
},
}SCSS
$custom: #155c5a; $custom-light: #608a88; $custom-dark: #000000;
JSON
{
"hex": "#155c5a",
"rgb": {
"r": 21,
"g": 92,
"b": 90
},
"hsl": {
"h": 178.31,
"s": 62.832,
"l": 22.157
},
"oklch": {
"l": 0.4326,
"c": 0.06695,
"h": 192.1
},
"luminance": 0.08552
}Semantic roles & 50–950 ramp
primary
#155C5A
secondary
#93393C
accent
#4247E6
background
#F6F8F8
surface
#EBF0EF
border
#C6CBCA
text
#050C0B
muted
#7A7D7C