#155A4B#155A4B
#155A4B is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.2% C 0.071 H 174.7°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).
Color values
| HEX | #155A4B |
|---|---|
| RGB | rgb(21, 90, 75) |
| HSL | hsl(167, 62%, 22%) |
| HSV | hsv(167, 77%, 35%) |
| CMYK | cmyk(76.7%, 0%, 16.7%, 64.7%) |
| CIE-LAB | lab(33.94, -25.02, 2.62) |
| CIE-LCH | lch(33.94, 25.16, 174.03°) |
| OKLab | oklab(42.15% -0.071 0.0066) |
| OKLCH | oklch(42.15% 0.071 174.7) |
| XYZ | xyz(5.2348, 7.9791, 7.9195) |
| Luminance | 0.0798 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Green Blue
#1F6357
ΔE00 3.41
Dark Blue Green
#005249
ΔE00 3.60
Dark Turquoise
#045C5A
ΔE00 5.93
Spruce
#0A5F38
ΔE00 8.24
Dark Teal
#014D4E
ΔE00 8.30
Evergreen
#05472A
ΔE00 8.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155A4B #5A1524
analogous
#155A29 #155A4B #15475A
triadic
#155A4B #4B155A #5A4B15
tetradic
#155A4B #29155A #5A1524 #475A15
square
#155A4B #29155A #5A1524 #475A15
split-complementary
#155A4B #5A1547 #5A2915
monochromatic
#061915 #092822 #155A4B #218C74 #2CBD9E
Accessibility & contrast
On white
8.09
#155A4B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.60
#155A4B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155A4B
8.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155A4B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155A4B | 1.00 | 8.09 | 2.60 | 8.09 |
| #FFFFFF | 8.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.60 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#57544A
Deuteranopia (green-blind)
#4D4D4C
Tritanopia (blue-blind)
#005B56
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #155a4b; /* rgb */ color: rgb(21, 90, 75); /* oklch */ color: oklch(42.2% 0.071 174.7);
Tailwind
colors: {
custom: {
50: '#5e897d',
500: '#155a4b',
950: '#000000',
},
}SCSS
$custom: #155a4b; $custom-light: #5e897d; $custom-dark: #000000;
JSON
{
"hex": "#155a4b",
"rgb": {
"r": 21,
"g": 90,
"b": 75
},
"hsl": {
"h": 166.957,
"s": 62.162,
"l": 21.765
},
"oklch": {
"l": 0.42154,
"c": 0.07128,
"h": 174.7
},
"luminance": 0.0798
}Semantic roles & 50–950 ramp
primary
#155A4B
secondary
#92394C
accent
#4366E5
background
#F5F8F7
surface
#EAF0EE
border
#C6CBC9
text
#050B09
muted
#797C7B