#155C66#155C66
#155C66 is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.8% C 0.068 H 209.0°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).
Color values
| HEX | #155C66 |
|---|---|
| RGB | rgb(21, 92, 102) |
| HSL | hsl(187, 66%, 24%) |
| HSV | hsv(187, 79%, 40%) |
| CMYK | cmyk(79.4%, 9.8%, 0%, 60%) |
| CIE-LAB | lab(35.54, -17.34, -11.88) |
| CIE-LCH | lch(35.54, 21.02, 214.41°) |
| OKLab | oklab(43.76% -0.0596 -0.0331) |
| OKLCH | oklch(43.76% 0.068 209) |
| XYZ | xyz(6.5336, 8.7722, 13.9167) |
| Luminance | 0.0877 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Petrol
#005F6A
ΔE00 1.50
Deep Teal
#00555A
ΔE00 3.76
Dark Turquoise
#045C5A
ΔE00 6.34
Dark Aqua
#05696B
ΔE00 6.36
Dark Teal
#014D4E
ΔE00 6.76
Darkslategray
#2F4F4F
ΔE00 7.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155C66 #661F15
analogous
#156648 #155C66 #153466
triadic
#155C66 #66155C #5C6615
tetradic
#155C66 #481566 #661F15 #346615
square
#155C66 #481566 #661F15 #346615
split-complementary
#155C66 #661534 #664815
monochromatic
#051719 #0B2E33 #155C66 #1F8A99 #2AB8CC
Accessibility & contrast
On white
7.62
#155C66 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#155C66 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155C66
7.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155C66 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155C66 | 1.00 | 7.62 | 2.75 | 7.62 |
| #FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#535867
Deuteranopia (green-blind)
#485066
Tritanopia (blue-blind)
#00615F
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #155c66; /* rgb */ color: rgb(21, 92, 102); /* oklch */ color: oklch(43.8% 0.068 209.0);
Tailwind
colors: {
custom: {
50: '#618a91',
500: '#155c66',
950: '#000000',
},
}SCSS
$custom: #155c66; $custom-light: #618a91; $custom-dark: #000000;
JSON
{
"hex": "#155c66",
"rgb": {
"r": 21,
"g": 92,
"b": 102
},
"hsl": {
"h": 187.407,
"s": 65.854,
"l": 24.118
},
"oklch": {
"l": 0.43758,
"c": 0.06818,
"h": 209
},
"luminance": 0.08773
}Semantic roles & 50–950 ramp
primary
#155C66
secondary
#9D463A
accent
#543FE9
background
#F6F8F8
surface
#EBF0F0
border
#C6CBCB
text
#060B0C
muted
#7A7C7D