#1C8399#1C8399
#1C8399 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.5% C 0.093 H 216.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).
Color values
| HEX | #1C8399 |
|---|---|
| RGB | rgb(28, 131, 153) |
| HSL | hsl(191, 69%, 35%) |
| HSV | hsv(191, 82%, 60%) |
| CMYK | cmyk(81.7%, 14.4%, 0%, 40%) |
| CIE-LAB | lab(50.43, -20.12, -19.81) |
| CIE-LCH | lch(50.43, 28.24, 224.56°) |
| OKLab | oklab(56.46% -0.0752 -0.0554) |
| OKLCH | oklch(56.46% 0.093 216.4) |
| XYZ | xyz(14.3425, 18.7776, 32.9993) |
| Luminance | 0.1878 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 1.92
Ocean
#017B92
ΔE00 3.14
Dirty Blue
#3F829D
ΔE00 4.63
Sea Blue
#047495
ΔE00 6.96
Deep Aqua
#08787F
ΔE00 7.67
Cerulean
#007BA7
ΔE00 8.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C8399 #99321C
analogous
#1C9970 #1C8399 #1C4499
triadic
#1C8399 #991C83 #83991C
tetradic
#1C8399 #701C99 #99321C #44991C
square
#1C8399 #701C99 #99321C #44991C
split-complementary
#1C8399 #991C44 #99701C
monochromatic
#092A32 #135765 #1C8399 #25AFCD #50C6DF
Accessibility & contrast
On white
4.42
#1C8399 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.76
#1C8399 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1C8399
4.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C8399 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1C8399 | 1.00 | 4.42 | 4.76 | 4.76 |
| #FFFFFF | 4.42 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.76 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.76 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#747F9A
Deuteranopia (green-blind)
#647399
Tritanopia (blue-blind)
#008B8A
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #1c8399; /* rgb */ color: rgb(28, 131, 153); /* oklch */ color: oklch(56.5% 0.093 216.4);
Tailwind
colors: {
custom: {
50: '#6fa7b7',
500: '#1c8399',
950: '#000000',
},
}SCSS
$custom: #1c8399; $custom-light: #6fa7b7; $custom-dark: #000000;
JSON
{
"hex": "#1c8399",
"rgb": {
"r": 28,
"g": 131,
"b": 153
},
"hsl": {
"h": 190.56,
"s": 69.061,
"l": 35.49
},
"oklch": {
"l": 0.56459,
"c": 0.09342,
"h": 216.4
},
"luminance": 0.18779
}Semantic roles & 50–950 ramp
primary
#1C8399
secondary
#C2634F
accent
#5B3CEC
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80