#1B595B#1B595B
#1B595B is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.6% C 0.062 H 198.2°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).
Color values
| HEX | #1B595B |
|---|---|
| RGB | rgb(27, 89, 91) |
| HSL | hsl(182, 54%, 23%) |
| HSV | hsv(182, 70%, 36%) |
| CMYK | cmyk(70.3%, 2.2%, 0%, 64.3%) |
| CIE-LAB | lab(34.26, -18.52, -6.93) |
| CIE-LCH | lch(34.26, 19.77, 200.52°) |
| OKLab | oklab(42.63% -0.0585 -0.0192) |
| OKLCH | oklch(42.63% 0.062 198.2) |
| XYZ | xyz(5.9119, 8.1324, 11.1537) |
| Luminance | 0.0813 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Deep Teal
#00555A
ΔE00 2.23
Dark Turquoise
#045C5A
ΔE00 3.15
Dark Teal
#014D4E
ΔE00 4.19
Petrol
#005F6A
ΔE00 4.39
Darkslategray
#2F4F4F
ΔE00 5.62
Dark Aqua
#05696B
ΔE00 5.69
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B595B #5B1D1B
analogous
#1B5B3D #1B595B #1B395B
triadic
#1B595B #5B1B59 #595B1B
tetradic
#1B595B #3D1B5B #5B1D1B #395B1B
square
#1B595B #3D1B5B #5B1D1B #395B1B
split-complementary
#1B595B #5B1B39 #5B3D1B
monochromatic
#071718 #0D2B2C #1B595B #29878A #37B5B9
Accessibility & contrast
On white
8.00
#1B595B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#1B595B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B595B
8.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B595B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B595B | 1.00 | 8.00 | 2.63 | 8.00 |
| #FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#52555B
Deuteranopia (green-blind)
#494E5B
Tritanopia (blue-blind)
#005C59
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1b595b; /* rgb */ color: rgb(27, 89, 91); /* oklch */ color: oklch(42.6% 0.062 198.2);
Tailwind
colors: {
custom: {
50: '#628889',
500: '#1b595b',
950: '#000000',
},
}SCSS
$custom: #1b595b; $custom-light: #628889; $custom-dark: #000000;
JSON
{
"hex": "#1b595b",
"rgb": {
"r": 27,
"g": 89,
"b": 91
},
"hsl": {
"h": 181.875,
"s": 54.237,
"l": 23.137
},
"oklch": {
"l": 0.42626,
"c": 0.06161,
"h": 198.2
},
"luminance": 0.08133
}Semantic roles & 50–950 ramp
primary
#1B595B
secondary
#914441
accent
#4F4ADE
background
#F6F8F8
surface
#EBEFF0
border
#C6CACB
text
#050B0B
muted
#7A7C7C