#31ABD4#31ABD4
#31ABD4 is a light, moderate cyan. Relative luminance 0.345; OKLCH L 69.3% C 0.119 H 225.6°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).
Color values
| HEX | #31ABD4 |
|---|---|
| RGB | rgb(49, 171, 212) |
| HSL | hsl(195, 65%, 51%) |
| HSV | hsv(195, 77%, 83%) |
| CMYK | cmyk(76.9%, 19.3%, 0%, 16.9%) |
| CIE-LAB | lab(65.38, -19.24, -30.21) |
| CIE-LCH | lch(65.38, 35.81, 237.50°) |
| OKLab | oklab(69.35% -0.0831 -0.0848) |
| OKLCH | oklch(69.35% 0.119 225.6) |
| XYZ | xyz(27.7083, 34.5289, 67.4790) |
| Luminance | 0.3453 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Deepskyblue
#00BFFF
ΔE00 7.28
Turquoise Blue
#06B1C4
ΔE00 8.27
Greyblue
#77A1B5
ΔE00 8.54
Bright Sky Blue
#02CCFE
ΔE00 8.87
Lightblue (survey)
#7BC8F6
ΔE00 10.16
Bluegrey
#85A3B2
ΔE00 11.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#31ABD4 #D45A31
analogous
#31D4AB #31ABD4 #3159D4
triadic
#31ABD4 #D431AB #ABD431
tetradic
#31ABD4 #AB31D4 #D45A31 #59D431
square
#31ABD4 #AB31D4 #D45A31 #59D431
split-complementary
#31ABD4 #D43159 #D4AB31
monochromatic
#185C73 #2384A5 #31ABD4 #64C0DF #96D4E9
Accessibility & contrast
On white
2.66
#31ABD4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.91
#31ABD4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #31ABD4
7.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##31ABD4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##31ABD4 | 1.00 | 2.66 | 7.91 | 7.91 |
| #FFFFFF | 2.66 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.91 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.91 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#95A8D6
Deuteranopia (green-blind)
#7F98D4
Tritanopia (blue-blind)
#00B7B8
Achromatopsia (no color)
#9F9F9F
Design tokens & code
CSS
--color: #31abd4; /* rgb */ color: rgb(49, 171, 212); /* oklch */ color: oklch(69.3% 0.119 225.6);
Tailwind
colors: {
custom: {
50: '#82c4e1',
500: '#31abd4',
950: '#000000',
},
}SCSS
$custom: #31abd4; $custom-light: #82c4e1; $custom-dark: #000000;
JSON
{
"hex": "#31abd4",
"rgb": {
"r": 49,
"g": 171,
"b": 212
},
"hsl": {
"h": 195.092,
"s": 65.462,
"l": 51.176
},
"oklch": {
"l": 0.6935,
"c": 0.1187,
"h": 225.6
},
"luminance": 0.34532
}Semantic roles & 50–950 ramp
primary
#31ABD4
secondary
#D49F8C
accent
#6A3FE8
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1215
muted
#7D8183