#1B8499#1B8499
#1B8499 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 56.7% C 0.094 H 215.2°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #1B8499 |
|---|---|
| RGB | rgb(27, 132, 153) |
| HSL | hsl(190, 70%, 35%) |
| HSV | hsv(190, 82%, 60%) |
| CMYK | cmyk(82.4%, 13.7%, 0%, 40%) |
| CIE-LAB | lab(50.73, -20.75, -19.36) |
| CIE-LCH | lch(50.73, 28.38, 223.00°) |
| OKLab | oklab(56.7% -0.0766 -0.0541) |
| OKLCH | oklch(56.7% 0.094 215.2) |
| XYZ | xyz(14.4505, 19.0336, 33.0431) |
| Luminance | 0.1903 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 1.58
Ocean
#017B92
ΔE00 3.52
Dirty Blue
#3F829D
ΔE00 5.04
Sea Blue
#047495
ΔE00 7.52
Deep Aqua
#08787F
ΔE00 7.52
Dark Cyan
#0A888A
ΔE00 8.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B8499 #99301B
analogous
#1B996F #1B8499 #1B4599
triadic
#1B8499 #991B84 #84991B
tetradic
#1B8499 #6F1B99 #99301B #45991B
square
#1B8499 #6F1B99 #99301B #45991B
split-complementary
#1B8499 #991B45 #996F1B
monochromatic
#092A31 #125765 #1B8499 #24B1CD #4FC8E0
Accessibility & contrast
On white
4.37
#1B8499 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.81
#1B8499 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1B8499
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B8499 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1B8499 | 1.00 | 4.37 | 4.81 | 4.81 |
| #FFFFFF | 4.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#75809A
Deuteranopia (green-blind)
#657499
Tritanopia (blue-blind)
#008C8B
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #1b8499; /* rgb */ color: rgb(27, 132, 153); /* oklch */ color: oklch(56.7% 0.094 215.2);
Tailwind
colors: {
custom: {
50: '#6fa8b7',
500: '#1b8499',
950: '#000000',
},
}SCSS
$custom: #1b8499; $custom-light: #6fa8b7; $custom-dark: #000000;
JSON
{
"hex": "#1b8499",
"rgb": {
"r": 27,
"g": 132,
"b": 153
},
"hsl": {
"h": 190,
"s": 70,
"l": 35.294
},
"oklch": {
"l": 0.56696,
"c": 0.09373,
"h": 215.2
},
"luminance": 0.19035
}Semantic roles & 50–950 ramp
primary
#1B8499
secondary
#C2614E
accent
#593BED
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80