#1F8CA4#1F8CA4
#1F8CA4 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.3% C 0.098 H 216.9°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).
Color values
| HEX | #1F8CA4 |
|---|---|
| RGB | rgb(31, 140, 164) |
| HSL | hsl(191, 68%, 38%) |
| HSV | hsv(191, 81%, 64%) |
| CMYK | cmyk(81.1%, 14.6%, 0%, 35.7%) |
| CIE-LAB | lab(53.73, -20.86, -21.11) |
| CIE-LCH | lch(53.73, 29.68, 225.33°) |
| OKLab | oklab(59.28% -0.0786 -0.059) |
| OKLCH | oklch(59.28% 0.098 216.9) |
| XYZ | xyz(16.6411, 21.7257, 38.4312) |
| Luminance | 0.2173 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 1.91
Dirty Blue
#3F829D
ΔE00 5.31
Ocean
#017B92
ΔE00 6.45
Dark Cyan
#0A888A
ΔE00 9.28
Cerulean
#007BA7
ΔE00 9.31
Sea Blue
#047495
ΔE00 9.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F8CA4 #A4371F
analogous
#1FA479 #1F8CA4 #1F49A4
triadic
#1F8CA4 #A41F8C #8CA41F
tetradic
#1F8CA4 #791FA4 #A4371F #49A41F
square
#1F8CA4 #791FA4 #A4371F #49A41F
split-complementary
#1F8CA4 #A41F49 #A4791F
monochromatic
#0C343D #156071 #1F8CA4 #2AB7D7 #5DC9E0
Accessibility & contrast
On white
3.93
#1F8CA4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.35
#1F8CA4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1F8CA4
5.35:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F8CA4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1F8CA4 | 1.00 | 3.93 | 5.35 | 5.35 |
| #FFFFFF | 3.93 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.35 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.35 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C88A5
Deuteranopia (green-blind)
#6B7BA4
Tritanopia (blue-blind)
#009494
Achromatopsia (no color)
#808080
Design tokens & code
CSS
--color: #1f8ca4; /* rgb */ color: rgb(31, 140, 164); /* oklch */ color: oklch(59.3% 0.098 216.9);
Tailwind
colors: {
custom: {
50: '#73adbf',
500: '#1f8ca4',
950: '#000000',
},
}SCSS
$custom: #1f8ca4; $custom-light: #73adbf; $custom-dark: #000000;
JSON
{
"hex": "#1f8ca4",
"rgb": {
"r": 31,
"g": 140,
"b": 164
},
"hsl": {
"h": 190.827,
"s": 68.205,
"l": 38.235
},
"oklch": {
"l": 0.5928,
"c": 0.09825,
"h": 216.9
},
"luminance": 0.21728
}Semantic roles & 50–950 ramp
primary
#1F8CA4
secondary
#C56D5A
accent
#5C3DEB
background
#F7FAFB
surface
#EEF4F7
border
#C9CED0
text
#091012
muted
#7B7F81