#1F718B#1F718B
#1F718B is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.3% C 0.085 H 223.9°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).
Color values
| HEX | #1F718B |
|---|---|
| RGB | rgb(31, 113, 139) |
| HSL | hsl(194, 64%, 33%) |
| HSV | hsv(194, 78%, 55%) |
| CMYK | cmyk(77.7%, 18.7%, 0%, 45.5%) |
| CIE-LAB | lab(44.18, -14.80, -21.16) |
| CIE-LCH | lch(44.18, 25.82, 235.03°) |
| OKLab | oklab(51.27% -0.0616 -0.0593) |
| OKLCH | oklch(51.27% 0.085 223.9) |
| XYZ | xyz(11.1285, 13.9643, 26.5300) |
| Luminance | 0.1397 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 2.29
Ocean
#017B92
ΔE00 4.40
Ocean Blue (survey)
#03719C
ΔE00 5.35
Cerulean
#007BA7
ΔE00 6.35
Dirty Blue
#3F829D
ΔE00 7.02
Ugly Blue
#31668A
ΔE00 7.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F718B #8B391F
analogous
#1F8B6F #1F718B #1F3B8B
triadic
#1F718B #8B1F71 #718B1F
tetradic
#1F718B #6F1F8B #8B391F #3B8B1F
square
#1F718B #6F1F8B #8B391F #3B8B1F
split-complementary
#1F718B #8B1F3B #8B6F1F
monochromatic
#092027 #144859 #1F718B #2A9ABD #4DB6D7
Accessibility & contrast
On white
5.54
#1F718B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.79
#1F718B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #1F718B
5.54:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F718B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F718B | 1.00 | 5.54 | 3.79 | 5.54 |
| #FFFFFF | 5.54 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.79 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.54 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#626E8C
Deuteranopia (green-blind)
#54648B
Tritanopia (blue-blind)
#007979
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #1f718b; /* rgb */ color: rgb(31, 113, 139); /* oklch */ color: oklch(51.3% 0.085 223.9);
Tailwind
colors: {
custom: {
50: '#6c9aad',
500: '#1f718b',
950: '#000000',
},
}SCSS
$custom: #1f718b; $custom-light: #6c9aad; $custom-dark: #000000;
JSON
{
"hex": "#1f718b",
"rgb": {
"r": 31,
"g": 113,
"b": 139
},
"hsl": {
"h": 194.444,
"s": 63.529,
"l": 33.333
},
"oklch": {
"l": 0.51269,
"c": 0.08549,
"h": 223.9
},
"luminance": 0.13966
}Semantic roles & 50–950 ramp
primary
#1F718B
secondary
#BA664C
accent
#6941E7
background
#F7F9FA
surface
#EDF2F4
border
#C8CCCE
text
#080E10
muted
#7B7E7F