#19B1B4#19B1B4
#19B1B4 is a light, moderate teal. Relative luminance 0.349; OKLCH L 69.1% C 0.114 H 197.1°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #19B1B4 |
|---|---|
| RGB | rgb(25, 177, 180) |
| HSL | hsl(181, 76%, 40%) |
| HSV | hsv(181, 86%, 71%) |
| CMYK | cmyk(86.1%, 1.7%, 0%, 29.4%) |
| CIE-LAB | lab(65.70, -34.58, -12.01) |
| CIE-LCH | lch(65.70, 36.61, 199.15°) |
| OKLab | oklab(69.13% -0.109 -0.0334) |
| OKLCH | oklch(69.13% 0.114 197.1) |
| XYZ | xyz(24.3574, 34.9431, 48.6321) |
| Luminance | 0.3495 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Lightseagreen
#20B2AA
ΔE00 4.07
Turquoise Blue
#06B1C4
ΔE00 5.72
Topaz
#13BBAF
ΔE00 6.03
Darkturquoise
#00CED1
ΔE00 7.65
Cadetblue
#5F9EA0
ΔE00 7.97
Sea
#3C9992
ΔE00 8.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#19B1B4 #B41C19
analogous
#19B469 #19B1B4 #1964B4
triadic
#19B1B4 #B419B1 #B1B419
tetradic
#19B1B4 #6919B4 #B41C19 #64B419
square
#19B1B4 #6919B4 #B41C19 #64B419
split-complementary
#19B1B4 #B41964 #B46919
monochromatic
#0A4749 #127C7E #19B1B4 #29DEE1 #5FE6E9
Accessibility & contrast
On white
2.63
#19B1B4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.99
#19B1B4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #19B1B4
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##19B1B4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##19B1B4 | 1.00 | 2.63 | 7.99 | 7.99 |
| #FFFFFF | 2.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A4A8B4
Deuteranopia (green-blind)
#9099B5
Tritanopia (blue-blind)
#00B7B2
Achromatopsia (no color)
#A0A0A0
Design tokens & code
CSS
--color: #19b1b4; /* rgb */ color: rgb(25, 177, 180); /* oklch */ color: oklch(69.1% 0.114 197.1);
Tailwind
colors: {
custom: {
50: '#78c9ca',
500: '#19b1b4',
950: '#000000',
},
}SCSS
$custom: #19b1b4; $custom-light: #78c9ca; $custom-dark: #000000;
JSON
{
"hex": "#19b1b4",
"rgb": {
"r": 25,
"g": 177,
"b": 180
},
"hsl": {
"h": 181.161,
"s": 75.61,
"l": 40.196
},
"oklch": {
"l": 0.69133,
"c": 0.11397,
"h": 197.1
},
"luminance": 0.34946
}Semantic roles & 50–950 ramp
primary
#19B1B4
secondary
#CD5E5C
accent
#3936F2
background
#F8FCFC
surface
#EFF8F8
border
#CAD1D1
text
#0B1313
muted
#7C8282