#15575B#15575B
#15575B is a dark, moderate teal. Relative luminance 0.077; OKLCH L 41.9% C 0.064 H 201.0°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).
Color values
| HEX | #15575B |
|---|---|
| RGB | rgb(21, 87, 91) |
| HSL | hsl(183, 63%, 22%) |
| HSV | hsv(183, 77%, 36%) |
| CMYK | cmyk(76.9%, 4.4%, 0%, 64.3%) |
| CIE-LAB | lab(33.42, -18.38, -8.21) |
| CIE-LCH | lch(33.42, 20.13, 204.07°) |
| OKLab | oklab(41.9% -0.0593 -0.0228) |
| OKLCH | oklch(41.9% 0.064 201) |
| XYZ | xyz(5.6049, 7.7305, 11.0922) |
| Luminance | 0.0773 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Deep Teal
#00555A
ΔE00 1.32
Dark Teal
#014D4E
ΔE00 3.79
Dark Turquoise
#045C5A
ΔE00 3.94
Petrol
#005F6A
ΔE00 3.96
Darkslategray
#2F4F4F
ΔE00 5.57
Dark Aqua
#05696B
ΔE00 6.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#15575B #5B1915
analogous
#155B3C #15575B #15345B
triadic
#15575B #5B1557 #575B15
tetradic
#15575B #3C155B #5B1915 #345B15
square
#15575B #3C155B #5B1915 #345B15
split-complementary
#15575B #5B1534 #5B3C15
monochromatic
#061819 #0A2729 #15575B #20878D #2CB6BE
Accessibility & contrast
On white
8.25
#15575B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.55
#15575B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #15575B
8.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##15575B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##15575B | 1.00 | 8.25 | 2.55 | 8.25 |
| #FFFFFF | 8.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#50535B
Deuteranopia (green-blind)
#464B5B
Tritanopia (blue-blind)
#005B58
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #15575b; /* rgb */ color: rgb(21, 87, 91); /* oklch */ color: oklch(41.9% 0.064 201.0);
Tailwind
colors: {
custom: {
50: '#5f8689',
500: '#15575b',
950: '#000000',
},
}SCSS
$custom: #15575b; $custom-light: #5f8689; $custom-dark: #000000;
JSON
{
"hex": "#15575b",
"rgb": {
"r": 21,
"g": 87,
"b": 91
},
"hsl": {
"h": 183.429,
"s": 62.5,
"l": 21.961
},
"oklch": {
"l": 0.41901,
"c": 0.06351,
"h": 201
},
"luminance": 0.07731
}Semantic roles & 50–950 ramp
primary
#15575B
secondary
#923E39
accent
#4C42E6
background
#F5F8F8
surface
#EAEFF0
border
#C6CACB
text
#050B0B
muted
#797C7C