#1B5A4D#1B5A4D
#1B5A4D is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.4% C 0.067 H 176.5°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).
Color values
| HEX | #1B5A4D |
|---|---|
| RGB | rgb(27, 90, 77) |
| HSL | hsl(168, 54%, 23%) |
| HSV | hsv(168, 70%, 35%) |
| CMYK | cmyk(70%, 0%, 14.4%, 64.7%) |
| CIE-LAB | lab(34.15, -23.39, 1.69) |
| CIE-LCH | lch(34.15, 23.45, 175.87°) |
| OKLab | oklab(42.39% -0.0669 0.0041) |
| OKLCH | oklch(42.39% 0.067 176.5) |
| XYZ | xyz(5.4471, 8.0806, 8.2924) |
| Luminance | 0.0808 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Green Blue
#1F6357
ΔE00 3.07
Dark Blue Green
#005249
ΔE00 3.35
Dark Turquoise
#045C5A
ΔE00 5.17
Dark Teal
#014D4E
ΔE00 7.58
Deep Teal
#00555A
ΔE00 8.50
Dark Aqua
#05696B
ΔE00 8.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B5A4D #5A1B28
analogous
#1B5A2D #1B5A4D #1B475A
triadic
#1B5A4D #4D1B5A #5A4D1B
tetradic
#1B5A4D #2D1B5A #5A1B28 #475A1B
square
#1B5A4D #2D1B5A #5A1B28 #475A1B
split-complementary
#1B5A4D #5A1B47 #5A2D1B
monochromatic
#071814 #0D2B25 #1B5A4D #298975 #37B89E
Accessibility & contrast
On white
8.03
#1B5A4D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#1B5A4D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B5A4D
8.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B5A4D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B5A4D | 1.00 | 8.03 | 2.62 | 8.03 |
| #FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#56544C
Deuteranopia (green-blind)
#4D4E4E
Tritanopia (blue-blind)
#005B56
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #1b5a4d; /* rgb */ color: rgb(27, 90, 77); /* oklch */ color: oklch(42.4% 0.067 176.5);
Tailwind
colors: {
custom: {
50: '#61897e',
500: '#1b5a4d',
950: '#000000',
},
}SCSS
$custom: #1b5a4d; $custom-light: #61897e; $custom-dark: #000000;
JSON
{
"hex": "#1b5a4d",
"rgb": {
"r": 27,
"g": 90,
"b": 77
},
"hsl": {
"h": 167.619,
"s": 53.846,
"l": 22.941
},
"oklch": {
"l": 0.42389,
"c": 0.06702,
"h": 176.5
},
"luminance": 0.08081
}Semantic roles & 50–950 ramp
primary
#1B5A4D
secondary
#904151
accent
#4B69DD
background
#F6F8F7
surface
#EBF0EE
border
#C6CBC9
text
#050B0A
muted
#7A7C7C