#1B4E4F#1B4E4F
#1B4E4F is a dark, muted teal. Relative luminance 0.062; OKLCH L 39.1% C 0.054 H 197.0°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).
Color values
| HEX | #1B4E4F |
|---|---|
| RGB | rgb(27, 78, 79) |
| HSL | hsl(181, 49%, 21%) |
| HSV | hsv(181, 66%, 31%) |
| CMYK | cmyk(65.8%, 1.3%, 0%, 69%) |
| CIE-LAB | lab(30.02, -16.34, -5.65) |
| CIE-LCH | lch(30.02, 17.29, 199.08°) |
| OKLab | oklab(39.06% -0.0512 -0.0157) |
| OKLCH | oklch(39.06% 0.054 197) |
| XYZ | xyz(4.5871, 6.2458, 8.3594) |
| Luminance | 0.0625 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Teal
#014D4E
ΔE00 2.30
Deep Teal
#00555A
ΔE00 3.48
Darkslategray
#2F4F4F
ΔE00 3.69
Dark Turquoise
#045C5A
ΔE00 5.68
Dark Blue Green
#005249
ΔE00 6.14
Petrol
#005F6A
ΔE00 7.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B4E4F #4F1C1B
analogous
#1B4F36 #1B4E4F #1B344F
triadic
#1B4E4F #4F1B4E #4E4F1B
tetradic
#1B4E4F #361B4F #4F1C1B #344F1B
square
#1B4E4F #361B4F #4F1C1B #344F1B
split-complementary
#1B4E4F #4F1B34 #4F361B
monochromatic
#081717 #0B2121 #1B4E4F #2B7B7D #3AA8AA
Accessibility & contrast
On white
9.34
#1B4E4F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.25
#1B4E4F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B4E4F
9.34:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B4E4F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B4E4F | 1.00 | 9.34 | 2.25 | 9.34 |
| #FFFFFF | 9.34 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.25 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.34 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#494A4F
Deuteranopia (green-blind)
#40444F
Tritanopia (blue-blind)
#00514E
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #1b4e4f; /* rgb */ color: rgb(27, 78, 79); /* oklch */ color: oklch(39.1% 0.054 197.0);
Tailwind
colors: {
custom: {
50: '#5f7f80',
500: '#1b4e4f',
950: '#000000',
},
}SCSS
$custom: #1b4e4f; $custom-light: #5f7f80; $custom-dark: #000000;
JSON
{
"hex": "#1b4e4f",
"rgb": {
"r": 27,
"g": 78,
"b": 79
},
"hsl": {
"h": 181.154,
"s": 49.057,
"l": 20.784
},
"oklch": {
"l": 0.39061,
"c": 0.05357,
"h": 197
},
"luminance": 0.06246
}Semantic roles & 50–950 ramp
primary
#1B4E4F
secondary
#854241
accent
#524FD9
background
#F5F7F7
surface
#EAEEEE
border
#C6C9C9
text
#050A0A
muted
#797C7C