#31A4BD#31A4BD
#31A4BD is a light, moderate cyan. Relative luminance 0.309; OKLCH L 66.7% C 0.105 H 215.8°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).
Color values
| HEX | #31A4BD |
|---|---|
| RGB | rgb(49, 164, 189) |
| HSL | hsl(191, 59%, 47%) |
| HSV | hsv(191, 74%, 74%) |
| CMYK | cmyk(74.1%, 13.2%, 0%, 25.9%) |
| CIE-LAB | lab(62.40, -23.13, -22.00) |
| CIE-LCH | lch(62.40, 31.92, 223.56°) |
| OKLab | oklab(66.67% -0.0852 -0.0614) |
| OKLCH | oklch(66.67% 0.105 215.8) |
| XYZ | xyz(23.7235, 30.8752, 52.8434) |
| Luminance | 0.3088 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.98
Cadetblue
#5F9EA0
ΔE00 8.48
Greyblue
#77A1B5
ΔE00 8.64
Teal Blue
#01889F
ΔE00 9.58
Bluegrey
#85A3B2
ΔE00 11.25
Dirty Blue
#3F829D
ΔE00 11.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#31A4BD #BD4A31
analogous
#31BD90 #31A4BD #315EBD
triadic
#31A4BD #BD31A4 #A4BD31
tetradic
#31A4BD #9031BD #BD4A31 #5EBD31
square
#31A4BD #9031BD #BD4A31 #5EBD31
split-complementary
#31A4BD #BD315E #BD9031
monochromatic
#18505C #247A8C #31A4BD #58BDD4 #88D0E0
Accessibility & contrast
On white
2.93
#31A4BD on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.18
#31A4BD on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #31A4BD
7.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##31A4BD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##31A4BD | 1.00 | 2.93 | 7.18 | 7.18 |
| #FFFFFF | 2.93 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#939FBE
Deuteranopia (green-blind)
#8091BD
Tritanopia (blue-blind)
#00ADAC
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #31a4bd; /* rgb */ color: rgb(49, 164, 189); /* oklch */ color: oklch(66.7% 0.105 215.8);
Tailwind
colors: {
custom: {
50: '#7ebfd1',
500: '#31a4bd',
950: '#000000',
},
}SCSS
$custom: #31a4bd; $custom-light: #7ebfd1; $custom-dark: #000000;
JSON
{
"hex": "#31a4bd",
"rgb": {
"r": 49,
"g": 164,
"b": 189
},
"hsl": {
"h": 190.714,
"s": 58.824,
"l": 46.667
},
"oklch": {
"l": 0.66668,
"c": 0.105,
"h": 215.8
},
"luminance": 0.30878
}Semantic roles & 50–950 ramp
primary
#31A4BD
secondary
#CA8D80
accent
#6246E2
background
#F8FBFC
surface
#EFF7F9
border
#CAD0D2
text
#0B1214
muted
#7C8182