#1B9CB4#1B9CB4
#1B9CB4 is a light, moderate teal. Relative luminance 0.273; OKLCH L 63.9% C 0.107 H 214.5°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).
Color values
| HEX | #1B9CB4 |
|---|---|
| RGB | rgb(27, 156, 180) |
| HSL | hsl(189, 74%, 41%) |
| HSV | hsv(189, 85%, 71%) |
| CMYK | cmyk(85%, 13.3%, 0%, 29.4%) |
| CIE-LAB | lab(59.25, -24.15, -21.78) |
| CIE-LCH | lch(59.25, 32.52, 222.05°) |
| OKLab | oklab(63.91% -0.0886 -0.0609) |
| OKLCH | oklch(63.91% 0.107 214.5) |
| XYZ | xyz(20.5751, 27.3026, 47.3567) |
| Luminance | 0.2731 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.71
Teal Blue
#01889F
ΔE00 6.89
Cadetblue
#5F9EA0
ΔE00 8.43
Dirty Blue
#3F829D
ΔE00 9.84
Greyblue
#77A1B5
ΔE00 9.85
Dark Cyan
#0A888A
ΔE00 11.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B9CB4 #B4331B
analogous
#1BB47F #1B9CB4 #1B4FB4
triadic
#1B9CB4 #B41B9C #9CB41B
tetradic
#1B9CB4 #7F1BB4 #B4331B #4FB41B
square
#1B9CB4 #7F1BB4 #B4331B #4FB41B
split-complementary
#1B9CB4 #B41B4F #B47F1B
monochromatic
#0B404A #136E7F #1B9CB4 #2DC3DF #62D3E7
Accessibility & contrast
On white
3.25
#1B9CB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.46
#1B9CB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1B9CB4
6.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B9CB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1B9CB4 | 1.00 | 3.25 | 6.46 | 6.46 |
| #FFFFFF | 3.25 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.46 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.46 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8B97B5
Deuteranopia (green-blind)
#7789B4
Tritanopia (blue-blind)
#00A5A3
Achromatopsia (no color)
#8F8F8F
Design tokens & code
CSS
--color: #1b9cb4; /* rgb */ color: rgb(27, 156, 180); /* oklch */ color: oklch(63.9% 0.107 214.5);
Tailwind
colors: {
custom: {
50: '#76b9ca',
500: '#1b9cb4',
950: '#000000',
},
}SCSS
$custom: #1b9cb4; $custom-light: #76b9ca; $custom-dark: #000000;
JSON
{
"hex": "#1b9cb4",
"rgb": {
"r": 27,
"g": 156,
"b": 180
},
"hsl": {
"h": 189.412,
"s": 73.913,
"l": 40.588
},
"oklch": {
"l": 0.63913,
"c": 0.10748,
"h": 214.5
},
"luminance": 0.27305
}Semantic roles & 50–950 ramp
primary
#1B9CB4
secondary
#CC705F
accent
#5437F1
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082