#155A5D#155A5D
#155A5D is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.8% C 0.065 H 199.3°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).
Color values
| HEX | #155A5D |
|---|---|
| RGB | rgb(21, 90, 93) |
| HSL | hsl(183, 63%, 22%) |
| HSV | hsv(183, 77%, 36%) |
| CMYK | cmyk(77.4%, 3.2%, 0%, 63.5%) |
| CIE-LAB | lab(34.52, -19.34, -7.80) |
| CIE-LCH | lch(34.52, 20.86, 201.97°) |
| OKLab | oklab(42.82% -0.0617 -0.0217) |
| OKLCH | oklch(42.82% 0.065 199.3) |
| XYZ | xyz(5.9403, 8.2614, 11.6353) |
| Luminance | 0.0826 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Deep Teal
#00555A
ΔE00 2.01
Dark Turquoise
#045C5A
ΔE00 3.05
Petrol
#005F6A
ΔE00 3.84
Dark Teal
#014D4E
ΔE00 4.43
Dark Aqua
#05696B
ΔE00 5.25
Darkslategray
#2F4F4F
ΔE00 6.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#155A5D #5D1815
analogous
#155D3C #155A5D #15365D
triadic
#155A5D #5D155A #5A5D15
tetradic
#155A5D #3C155D #5D1815 #365D15
square
#155A5D #3C155D #5D1815 #365D15
split-complementary
#155A5D #5D1536 #5D3C15
monochromatic
#061819 #0A2A2B #155A5D #208A8F #2CBBC1
Accessibility & contrast
On white
7.92
#155A5D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#155A5D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #155A5D
7.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##155A5D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##155A5D | 1.00 | 7.92 | 2.65 | 7.92 |
| #FFFFFF | 7.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.65 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#53565D
Deuteranopia (green-blind)
#494E5D
Tritanopia (blue-blind)
#005E5B
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #155a5d; /* rgb */ color: rgb(21, 90, 93); /* oklch */ color: oklch(42.8% 0.065 199.3);
Tailwind
colors: {
custom: {
50: '#60898a',
500: '#155a5d',
950: '#000000',
},
}SCSS
$custom: #155a5d; $custom-light: #60898a; $custom-dark: #000000;
JSON
{
"hex": "#155a5d",
"rgb": {
"r": 21,
"g": 90,
"b": 93
},
"hsl": {
"h": 182.5,
"s": 63.158,
"l": 22.353
},
"oklch": {
"l": 0.42821,
"c": 0.06539,
"h": 199.3
},
"luminance": 0.08262
}Semantic roles & 50–950 ramp
primary
#155A5D
secondary
#943D39
accent
#4842E6
background
#F6F8F8
surface
#EBF0F0
border
#C6CBCB
text
#050B0B
muted
#7A7C7C