#1B8197#1B8197
#1B8197 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 55.8% C 0.093 H 216.6°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).
Color values
| HEX | #1B8197 |
|---|---|
| RGB | rgb(27, 129, 151) |
| HSL | hsl(191, 70%, 35%) |
| HSV | hsv(191, 82%, 59%) |
| CMYK | cmyk(82.1%, 14.6%, 0%, 40.8%) |
| CIE-LAB | lab(49.70, -19.84, -19.77) |
| CIE-LCH | lch(49.70, 28.00, 224.90°) |
| OKLab | oklab(55.84% -0.0744 -0.0552) |
| OKLCH | oklch(55.84% 0.093 216.6) |
| XYZ | xyz(13.8858, 18.1661, 32.0467) |
| Luminance | 0.1817 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 2.42
Teal Blue
#01889F
ΔE00 2.61
Dirty Blue
#3F829D
ΔE00 4.67
Sea Blue
#047495
ΔE00 6.36
Deep Aqua
#08787F
ΔE00 7.32
Cerulean
#007BA7
ΔE00 7.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B8197 #97311B
analogous
#1B976F #1B8197 #1B4397
triadic
#1B8197 #971B81 #81971B
tetradic
#1B8197 #6F1B97 #97311B #43971B
square
#1B8197 #6F1B97 #97311B #43971B
split-complementary
#1B8197 #971B43 #976F1B
monochromatic
#08282F #125563 #1B8197 #24ADCB #4DC5DF
Accessibility & contrast
On white
4.53
#1B8197 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.63
#1B8197 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1B8197
4.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B8197 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1B8197 | 1.00 | 4.53 | 4.63 | 4.63 |
| #FFFFFF | 4.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#727D98
Deuteranopia (green-blind)
#627197
Tritanopia (blue-blind)
#008988
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #1b8197; /* rgb */ color: rgb(27, 129, 151); /* oklch */ color: oklch(55.8% 0.093 216.6);
Tailwind
colors: {
custom: {
50: '#6fa5b5',
500: '#1b8197',
950: '#000000',
},
}SCSS
$custom: #1b8197; $custom-light: #6fa5b5; $custom-dark: #000000;
JSON
{
"hex": "#1b8197",
"rgb": {
"r": 27,
"g": 129,
"b": 151
},
"hsl": {
"h": 190.645,
"s": 69.663,
"l": 34.902
},
"oklch": {
"l": 0.55841,
"c": 0.09269,
"h": 216.6
},
"luminance": 0.18168
}Semantic roles & 50–950 ramp
primary
#1B8197
secondary
#C1614C
accent
#5B3BEC
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80