#155D57#155D57
#155D57 is a dark, moderate teal. Relative luminance 0.087; OKLCH L 43.4% C 0.069 H 186.7°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).
Color values
| HEX | #155D57 |
|---|---|
| RGB | rgb(21, 93, 87) |
| HSL | hsl(175, 63%, 22%) |
| HSV | hsv(175, 77%, 36%) |
| CMYK | cmyk(77.4%, 0%, 6.5%, 63.5%) |
| CIE-LAB | lab(35.35, -22.89, -2.82) |
| CIE-LCH | lch(35.35, 23.06, 187.01°) |
| OKLab | oklab(43.43% -0.0681 -0.008) |
| OKLCH | oklch(43.43% 0.069 186.7) |
| XYZ | xyz(5.9431, 8.6755, 10.3763) |
| Luminance | 0.0868 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Turquoise
#045C5A
ΔE00 1.93
Dark Green Blue
#1F6357
ΔE00 3.23
Dark Blue Green
#005249
ΔE00 4.06
Dark Aqua
#05696B
ΔE00 5.48
Deep Teal
#00555A
ΔE00 5.76
Dark Teal
#014D4E
ΔE00 6.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155D57 #5D151B
analogous
#155D33 #155D57 #153F5D
triadic
#155D57 #57155D #5D5715
tetradic
#155D57 #33155D #5D151B #3F5D15
square
#155D57 #33155D #5D151B #3F5D15
split-complementary
#155D57 #5D153F #5D3315
monochromatic
#061917 #0A2B28 #155D57 #208F86 #2CC1B4
Accessibility & contrast
On white
7.68
#155D57 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.74
#155D57 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155D57
7.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155D57 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155D57 | 1.00 | 7.68 | 2.74 | 7.68 |
| #FFFFFF | 7.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#585757
Deuteranopia (green-blind)
#4E5058
Tritanopia (blue-blind)
#005F5B
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #155d57; /* rgb */ color: rgb(21, 93, 87); /* oklch */ color: oklch(43.4% 0.069 186.7);
Tailwind
colors: {
custom: {
50: '#608b86',
500: '#155d57',
950: '#000000',
},
}SCSS
$custom: #155d57; $custom-light: #608b86; $custom-dark: #000000;
JSON
{
"hex": "#155d57",
"rgb": {
"r": 21,
"g": 93,
"b": 87
},
"hsl": {
"h": 175,
"s": 63.158,
"l": 22.353
},
"oklch": {
"l": 0.43427,
"c": 0.06859,
"h": 186.7
},
"luminance": 0.08676
}Semantic roles & 50–950 ramp
primary
#155D57
secondary
#943941
accent
#424FE6
background
#F6F8F8
surface
#EBF0EF
border
#C6CBCA
text
#050C0B
muted
#7A7D7C