#1B5959#1B5959
#1B5959 is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.5% C 0.062 H 195.1°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).
Color values
| HEX | #1B5959 |
|---|---|
| RGB | rgb(27, 89, 89) |
| HSL | hsl(180, 53%, 23%) |
| HSV | hsv(180, 70%, 35%) |
| CMYK | cmyk(69.7%, 0%, 0%, 65.1%) |
| CIE-LAB | lab(34.19, -19.17, -5.78) |
| CIE-LCH | lch(34.19, 20.02, 196.78°) |
| OKLab | oklab(42.55% -0.0595 -0.016) |
| OKLCH | oklch(42.55% 0.062 195.1) |
| XYZ | xyz(5.8267, 8.0984, 10.7053) |
| Luminance | 0.0810 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Turquoise
#045C5A
ΔE00 2.42
Deep Teal
#00555A
ΔE00 2.80
Dark Teal
#014D4E
ΔE00 4.08
Petrol
#005F6A
ΔE00 5.26
Dark Blue Green
#005249
ΔE00 5.52
Dark Aqua
#05696B
ΔE00 5.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B5959 #591B1B
analogous
#1B593A #1B5959 #1B3A59
triadic
#1B5959 #591B59 #59591B
tetradic
#1B5959 #3A1B59 #591B1B #3A591B
square
#1B5959 #3A1B59 #591B1B #3A591B
split-complementary
#1B5959 #591B3A #593A1B
monochromatic
#071717 #0D2A2A #1B5959 #298888 #37B7B7
Accessibility & contrast
On white
8.02
#1B5959 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#1B5959 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B5959
8.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B5959 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B5959 | 1.00 | 8.02 | 2.62 | 8.02 |
| #FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#535459
Deuteranopia (green-blind)
#494D59
Tritanopia (blue-blind)
#005C59
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1b5959; /* rgb */ color: rgb(27, 89, 89); /* oklch */ color: oklch(42.5% 0.062 195.1);
Tailwind
colors: {
custom: {
50: '#618887',
500: '#1b5959',
950: '#000000',
},
}SCSS
$custom: #1b5959; $custom-light: #618887; $custom-dark: #000000;
JSON
{
"hex": "#1b5959",
"rgb": {
"r": 27,
"g": 89,
"b": 89
},
"hsl": {
"h": 180,
"s": 53.448,
"l": 22.745
},
"oklch": {
"l": 0.42546,
"c": 0.06166,
"h": 195.1
},
"luminance": 0.08099
}Semantic roles & 50–950 ramp
primary
#1B5959
secondary
#8F4141
accent
#4B4BDD
background
#F6F8F8
surface
#EBEFEF
border
#C6CACA
text
#050B0B
muted
#7A7C7C