#1B565C#1B565C
#1B565C is a dark, moderate teal. Relative luminance 0.077; OKLCH L 41.8% C 0.060 H 204.7°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).
Color values
| HEX | #1B565C |
|---|---|
| RGB | rgb(27, 86, 92) |
| HSL | hsl(186, 55%, 23%) |
| HSV | hsv(186, 71%, 36%) |
| CMYK | cmyk(70.7%, 6.5%, 0%, 63.9%) |
| CIE-LAB | lab(33.27, -16.52, -9.05) |
| CIE-LCH | lch(33.27, 18.84, 208.71°) |
| OKLab | oklab(41.84% -0.0545 -0.0251) |
| OKLCH | oklch(41.84% 0.06 204.7) |
| XYZ | xyz(5.7107, 7.6607, 11.3008) |
| Luminance | 0.0766 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Deep Teal
#00555A
ΔE00 2.26
Petrol
#005F6A
ΔE00 3.78
Dark Teal
#014D4E
ΔE00 4.52
Darkslategray
#2F4F4F
ΔE00 5.01
Dark Turquoise
#045C5A
ΔE00 5.42
Dark Aqua
#05696B
ΔE00 7.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B565C #5C211B
analogous
#1B5C41 #1B565C #1B355C
triadic
#1B565C #5C1B56 #565C1B
tetradic
#1B565C #411B5C #5C211B #355C1B
square
#1B565C #411B5C #5C211B #355C1B
split-complementary
#1B565C #5C1B35 #5C411B
monochromatic
#071618 #0D2A2D #1B565C #29828B #37AEBB
Accessibility & contrast
On white
8.29
#1B565C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.53
#1B565C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1B565C
8.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B565C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1B565C | 1.00 | 8.29 | 2.53 | 8.29 |
| #FFFFFF | 8.29 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.29 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F525C
Deuteranopia (green-blind)
#454B5C
Tritanopia (blue-blind)
#005A58
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #1b565c; /* rgb */ color: rgb(27, 86, 92); /* oklch */ color: oklch(41.8% 0.060 204.7);
Tailwind
colors: {
custom: {
50: '#61868a',
500: '#1b565c',
950: '#000000',
},
}SCSS
$custom: #1b565c; $custom-light: #61868a; $custom-dark: #000000;
JSON
{
"hex": "#1b565c",
"rgb": {
"r": 27,
"g": 86,
"b": 92
},
"hsl": {
"h": 185.538,
"s": 54.622,
"l": 23.333
},
"oklch": {
"l": 0.41837,
"c": 0.06003,
"h": 204.7
},
"luminance": 0.07661
}Semantic roles & 50–950 ramp
primary
#1B565C
secondary
#924941
accent
#584ADE
background
#F6F8F8
surface
#EBEFF0
border
#C6CACB
text
#050B0B
muted
#7A7C7C