#1C8FB3#1C8FB3
#1C8FB3 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.7% C 0.109 H 225.2°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).
Color values
| HEX | #1C8FB3 |
|---|---|
| RGB | rgb(28, 143, 179) |
| HSL | hsl(194, 73%, 41%) |
| HSV | hsv(194, 84%, 70%) |
| CMYK | cmyk(84.4%, 20.1%, 0%, 29.8%) |
| CIE-LAB | lab(55.22, -17.56, -27.42) |
| CIE-LCH | lch(55.22, 32.56, 237.37°) |
| OKLab | oklab(60.66% -0.0764 -0.0771) |
| OKLCH | oklch(60.66% 0.109 225.2) |
| XYZ | xyz(18.4346, 23.1441, 46.1347) |
| Luminance | 0.2315 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 5.29
Teal Blue
#01889F
ΔE00 5.57
Cerulean
#007BA7
ΔE00 7.89
Ocean
#017B92
ΔE00 8.82
Dusty Blue
#5A86AD
ΔE00 9.10
Water Blue
#0E87CC
ΔE00 9.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1C8FB3 #B3401C
analogous
#1CB38C #1C8FB3 #1C43B3
triadic
#1C8FB3 #B31C8F #8FB31C
tetradic
#1C8FB3 #8C1CB3 #B3401C #43B31C
square
#1C8FB3 #8C1CB3 #B3401C #43B31C
split-complementary
#1C8FB3 #B31C43 #B38C1C
monochromatic
#0B3A49 #14657E #1C8FB3 #2EB4DE #63C7E7
Accessibility & contrast
On white
3.73
#1C8FB3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.63
#1C8FB3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1C8FB3
5.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1C8FB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1C8FB3 | 1.00 | 3.73 | 5.63 | 5.63 |
| #FFFFFF | 3.73 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7B8CB5
Deuteranopia (green-blind)
#687EB3
Tritanopia (blue-blind)
#009A9B
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #1c8fb3; /* rgb */ color: rgb(28, 143, 179); /* oklch */ color: oklch(60.7% 0.109 225.2);
Tailwind
colors: {
custom: {
50: '#75b0ca',
500: '#1c8fb3',
950: '#000000',
},
}SCSS
$custom: #1c8fb3; $custom-light: #75b0ca; $custom-dark: #000000;
JSON
{
"hex": "#1c8fb3",
"rgb": {
"r": 28,
"g": 143,
"b": 179
},
"hsl": {
"h": 194.305,
"s": 72.947,
"l": 40.588
},
"oklch": {
"l": 0.60659,
"c": 0.10855,
"h": 225.2
},
"luminance": 0.23146
}Semantic roles & 50–950 ramp
primary
#1C8FB3
secondary
#CB795F
accent
#6438F0
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1013
muted
#7C7F82