#1B5B4E#1B5B4E
#1B5B4E is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.7% C 0.068 H 176.7°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).
Color values
| HEX | #1B5B4E |
|---|---|
| RGB | rgb(27, 91, 78) |
| HSL | hsl(168, 54%, 23%) |
| HSV | hsv(168, 70%, 36%) |
| CMYK | cmyk(70.3%, 0%, 14.3%, 64.3%) |
| CIE-LAB | lab(34.53, -23.61, 1.61) |
| CIE-LCH | lch(34.53, 23.66, 176.09°) |
| OKLab | oklab(42.71% -0.0676 0.0039) |
| OKLCH | oklch(42.71% 0.068 176.7) |
| XYZ | xyz(5.5676, 8.2646, 8.5081) |
| Luminance | 0.0827 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Green Blue
#1F6357
ΔE00 2.74
Dark Blue Green
#005249
ΔE00 3.57
Dark Turquoise
#045C5A
ΔE00 5.10
Dark Teal
#014D4E
ΔE00 7.74
Dark Aqua
#05696B
ΔE00 8.44
Deep Teal
#00555A
ΔE00 8.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B5B4E #5B1B28
analogous
#1B5B2E #1B5B4E #1B485B
triadic
#1B5B4E #4E1B5B #5B4E1B
tetradic
#1B5B4E #2E1B5B #5B1B28 #485B1B
square
#1B5B4E #2E1B5B #5B1B28 #485B1B
split-complementary
#1B5B4E #5B1B48 #5B2E1B
monochromatic
#071814 #0D2C26 #1B5B4E #298A76 #37B99F
Accessibility & contrast
On white
7.92
#1B5B4E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.65
#1B5B4E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B5B4E
7.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B5B4E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B5B4E | 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)
#57554D
Deuteranopia (green-blind)
#4E4E4F
Tritanopia (blue-blind)
#005C57
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #1b5b4e; /* rgb */ color: rgb(27, 91, 78); /* oklch */ color: oklch(42.7% 0.068 176.7);
Tailwind
colors: {
custom: {
50: '#618a7f',
500: '#1b5b4e',
950: '#000000',
},
}SCSS
$custom: #1b5b4e; $custom-light: #618a7f; $custom-dark: #000000;
JSON
{
"hex": "#1b5b4e",
"rgb": {
"r": 27,
"g": 91,
"b": 78
},
"hsl": {
"h": 167.813,
"s": 54.237,
"l": 23.137
},
"oklch": {
"l": 0.42707,
"c": 0.06767,
"h": 176.7
},
"luminance": 0.08265
}Semantic roles & 50–950 ramp
primary
#1B5B4E
secondary
#914151
accent
#4A68DE
background
#F6F8F7
surface
#EBF0EE
border
#C6CBC9
text
#050B0A
muted
#7A7C7C