#1F8197#1F8197
#1F8197 is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 55.9% C 0.091 H 217.0°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).
Color values
| HEX | #1F8197 |
|---|---|
| RGB | rgb(31, 129, 151) |
| HSL | hsl(191, 66%, 36%) |
| HSV | hsv(191, 79%, 59%) |
| CMYK | cmyk(79.5%, 14.6%, 0%, 40.8%) |
| CIE-LAB | lab(49.77, -19.43, -19.65) |
| CIE-LCH | lch(49.77, 27.63, 225.33°) |
| OKLab | oklab(55.92% -0.073 -0.0549) |
| OKLCH | oklch(55.92% 0.091 217) |
| XYZ | xyz(13.9989, 18.2245, 32.0520) |
| Luminance | 0.1823 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Ocean
#017B92
ΔE00 2.50
Teal Blue
#01889F
ΔE00 2.67
Dirty Blue
#3F829D
ΔE00 4.46
Sea Blue
#047495
ΔE00 6.32
Deep Aqua
#08787F
ΔE00 7.45
Cerulean
#007BA7
ΔE00 7.70
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F8197 #97351F
analogous
#1F9771 #1F8197 #1F4597
triadic
#1F8197 #971F81 #81971F
tetradic
#1F8197 #711F97 #97351F #45971F
square
#1F8197 #711F97 #97351F #45971F
split-complementary
#1F8197 #971F45 #97711F
monochromatic
#0A2A31 #155664 #1F8197 #29ACCA #54C3DC
Accessibility & contrast
On white
4.52
#1F8197 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.65
#1F8197 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #1F8197
4.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F8197 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##1F8197 | 1.00 | 4.52 | 4.65 | 4.65 |
| #FFFFFF | 4.52 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.65 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.65 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#727D98
Deuteranopia (green-blind)
#627197
Tritanopia (blue-blind)
#008988
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #1f8197; /* rgb */ color: rgb(31, 129, 151); /* oklch */ color: oklch(55.9% 0.091 217.0);
Tailwind
colors: {
custom: {
50: '#70a5b5',
500: '#1f8197',
950: '#000000',
},
}SCSS
$custom: #1f8197; $custom-light: #70a5b5; $custom-dark: #000000;
JSON
{
"hex": "#1f8197",
"rgb": {
"r": 31,
"g": 129,
"b": 151
},
"hsl": {
"h": 191,
"s": 65.934,
"l": 35.686
},
"oklch": {
"l": 0.55918,
"c": 0.09135,
"h": 217
},
"luminance": 0.18226
}Semantic roles & 50–950 ramp
primary
#1F8197
secondary
#BF6652
accent
#5E3FE9
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F11
muted
#7B7F80