#1B4F4E#1B4F4E
#1B4F4E is a dark, muted teal. Relative luminance 0.064; OKLCH L 39.3% C 0.054 H 193.4°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).
Color values
| HEX | #1B4F4E |
|---|---|
| RGB | rgb(27, 79, 78) |
| HSL | hsl(179, 49%, 21%) |
| HSV | hsv(179, 66%, 31%) |
| CMYK | cmyk(65.8%, 0%, 1.3%, 69%) |
| CIE-LAB | lab(30.34, -17.23, -4.54) |
| CIE-LCH | lch(30.34, 17.82, 194.77°) |
| OKLab | oklab(39.3% -0.053 -0.0126) |
| OKLCH | oklch(39.3% 0.054 193.4) |
| XYZ | xyz(4.6225, 6.3746, 8.1930) |
| Luminance | 0.0638 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Teal
#014D4E
ΔE00 2.17
Deep Teal
#00555A
ΔE00 3.73
Darkslategray
#2F4F4F
ΔE00 4.13
Dark Turquoise
#045C5A
ΔE00 5.02
Dark Blue Green
#005249
ΔE00 5.06
Petrol
#005F6A
ΔE00 7.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B4F4E #4F1B1C
analogous
#1B4F34 #1B4F4E #1B364F
triadic
#1B4F4E #4E1B4F #4F4E1B
tetradic
#1B4F4E #341B4F #4F1B1C #364F1B
square
#1B4F4E #341B4F #4F1B1C #364F1B
split-complementary
#1B4F4E #4F1B36 #4F341B
monochromatic
#081717 #0B2121 #1B4F4E #2B7D7B #3AAAA8
Accessibility & contrast
On white
9.23
#1B4F4E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.28
#1B4F4E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B4F4E
9.23:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B4F4E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B4F4E | 1.00 | 9.23 | 2.28 | 9.23 |
| #FFFFFF | 9.23 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.23 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A4B4E
Deuteranopia (green-blind)
#42454E
Tritanopia (blue-blind)
#00514F
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #1b4f4e; /* rgb */ color: rgb(27, 79, 78); /* oklch */ color: oklch(39.3% 0.054 193.4);
Tailwind
colors: {
custom: {
50: '#5f807f',
500: '#1b4f4e',
950: '#000000',
},
}SCSS
$custom: #1b4f4e; $custom-light: #5f807f; $custom-dark: #000000;
JSON
{
"hex": "#1b4f4e",
"rgb": {
"r": 27,
"g": 79,
"b": 78
},
"hsl": {
"h": 178.846,
"s": 49.057,
"l": 20.784
},
"oklch": {
"l": 0.39303,
"c": 0.05446,
"h": 193.4
},
"luminance": 0.06375
}Semantic roles & 50–950 ramp
primary
#1B4F4E
secondary
#854142
accent
#4F52D9
background
#F5F7F7
surface
#EAEEEE
border
#C6C9C9
text
#050A0A
muted
#797C7C