#1B889F#1B889F
#1B889F is a mid, moderate cyan. Relative luminance 0.203; OKLCH L 58.0% C 0.097 H 216.4°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).
Color values
| HEX | #1B889F |
|---|---|
| RGB | rgb(27, 136, 159) |
| HSL | hsl(190, 71%, 36%) |
| HSV | hsv(190, 83%, 62%) |
| CMYK | cmyk(83%, 14.5%, 0%, 37.6%) |
| CIE-LAB | lab(52.22, -20.82, -20.55) |
| CIE-LCH | lch(52.22, 29.25, 224.62°) |
| OKLab | oklab(57.98% -0.078 -0.0574) |
| OKLCH | oklch(57.98% 0.097 216.4) |
| XYZ | xyz(15.5115, 20.3426, 35.9031) |
| Luminance | 0.2034 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 0.81
Dirty Blue
#3F829D
ΔE00 4.89
Ocean
#017B92
ΔE00 4.94
Sea Blue
#047495
ΔE00 8.42
Cerulean
#007BA7
ΔE00 8.70
Dark Cyan
#0A888A
ΔE00 8.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1B889F #9F321B
analogous
#1B9F74 #1B889F #1B469F
triadic
#1B889F #9F1B88 #889F1B
tetradic
#1B889F #741B9F #9F321B #469F1B
square
#1B889F #741B9F #9F321B #469F1B
split-complementary
#1B889F #9F1B46 #9F741B
monochromatic
#092F36 #125B6B #1B889F #24B5D3 #53C9E2
Accessibility & contrast
On white
4.14
#1B889F on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.07
#1B889F on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1B889F
5.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1B889F | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1B889F | 1.00 | 4.14 | 5.07 | 5.07 |
| #FFFFFF | 4.14 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.07 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.07 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7984A0
Deuteranopia (green-blind)
#67779F
Tritanopia (blue-blind)
#00908F
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #1b889f; /* rgb */ color: rgb(27, 136, 159); /* oklch */ color: oklch(58.0% 0.097 216.4);
Tailwind
colors: {
custom: {
50: '#71abbb',
500: '#1b889f',
950: '#000000',
},
}SCSS
$custom: #1b889f; $custom-light: #71abbb; $custom-dark: #000000;
JSON
{
"hex": "#1b889f",
"rgb": {
"r": 27,
"g": 136,
"b": 159
},
"hsl": {
"h": 190.455,
"s": 70.968,
"l": 36.471
},
"oklch": {
"l": 0.57979,
"c": 0.09687,
"h": 216.4
},
"luminance": 0.20345
}Semantic roles & 50–950 ramp
primary
#1B889F
secondary
#C56551
accent
#593AEE
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#091011
muted
#7B7F80