#155D64#155D64
#155D64 is a dark, moderate teal. Relative luminance 0.089; OKLCH L 43.9% C 0.068 H 204.8°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).
Color values
| HEX | #155D64 |
|---|---|
| RGB | rgb(21, 93, 100) |
| HSL | hsl(185, 65%, 24%) |
| HSV | hsv(185, 79%, 39%) |
| CMYK | cmyk(79%, 7%, 0%, 60.8%) |
| CIE-LAB | lab(35.81, -18.59, -10.24) |
| CIE-LCH | lch(35.81, 21.22, 208.84°) |
| OKLab | oklab(43.95% -0.0617 -0.0284) |
| OKLCH | oklch(43.95% 0.068 204.8) |
| XYZ | xyz(6.5228, 8.9074, 13.4296) |
| Luminance | 0.0891 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Petrol
#005F6A
ΔE00 1.82
Deep Teal
#00555A
ΔE00 3.06
Dark Turquoise
#045C5A
ΔE00 4.83
Dark Aqua
#05696B
ΔE00 5.10
Dark Teal
#014D4E
ΔE00 6.09
Darkslategray
#2F4F4F
ΔE00 7.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155D64 #641C15
analogous
#156443 #155D64 #153564
triadic
#155D64 #64155D #5D6415
tetradic
#155D64 #431564 #641C15 #356415
square
#155D64 #431564 #641C15 #356415
split-complementary
#155D64 #641535 #644315
monochromatic
#051819 #0A2E31 #155D64 #208C97 #2ABBC9
Accessibility & contrast
On white
7.55
#155D64 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.78
#155D64 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155D64
7.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155D64 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155D64 | 1.00 | 7.55 | 2.78 | 7.55 |
| #FFFFFF | 7.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.78 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#555964
Deuteranopia (green-blind)
#4A5164
Tritanopia (blue-blind)
#00615F
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #155d64; /* rgb */ color: rgb(21, 93, 100); /* oklch */ color: oklch(43.9% 0.068 204.8);
Tailwind
colors: {
custom: {
50: '#618b90',
500: '#155d64',
950: '#000000',
},
}SCSS
$custom: #155d64; $custom-light: #618b90; $custom-dark: #000000;
JSON
{
"hex": "#155d64",
"rgb": {
"r": 21,
"g": 93,
"b": 100
},
"hsl": {
"h": 185.316,
"s": 65.289,
"l": 23.725
},
"oklch": {
"l": 0.43946,
"c": 0.06792,
"h": 204.8
},
"luminance": 0.08908
}Semantic roles & 50–950 ramp
primary
#155D64
secondary
#9B423A
accent
#4E40E8
background
#F6F8F8
surface
#EBF0F0
border
#C6CBCB
text
#060C0C
muted
#7A7D7D