#31A4BF#31A4BF
#31A4BF is a light, moderate cyan. Relative luminance 0.310; OKLCH L 66.8% C 0.106 H 217.3°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).
Color values
| HEX | #31A4BF |
|---|---|
| RGB | rgb(49, 164, 191) |
| HSL | hsl(191, 59%, 47%) |
| HSV | hsv(191, 74%, 75%) |
| CMYK | cmyk(74.3%, 14.1%, 0%, 25.1%) |
| CIE-LAB | lab(62.48, -22.48, -23.00) |
| CIE-LCH | lch(62.48, 32.16, 225.65°) |
| OKLab | oklab(66.75% -0.0844 -0.0642) |
| OKLCH | oklch(66.75% 0.106 217.3) |
| XYZ | xyz(23.9421, 30.9626, 53.9947) |
| Luminance | 0.3096 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 5.44
Greyblue
#77A1B5
ΔE00 8.40
Cadetblue
#5F9EA0
ΔE00 9.03
Teal Blue
#01889F
ΔE00 9.67
Bluegrey
#85A3B2
ΔE00 11.07
Dirty Blue
#3F829D
ΔE00 11.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#31A4BF #BF4C31
analogous
#31BF93 #31A4BF #315DBF
triadic
#31A4BF #BF31A4 #A4BF31
tetradic
#31A4BF #9331BF #BF4C31 #5DBF31
square
#31A4BF #9331BF #BF4C31 #5DBF31
split-complementary
#31A4BF #BF315D #BF9331
monochromatic
#18505E #257A8E #31A4BF #59BDD4 #8AD0E1
Accessibility & contrast
On white
2.92
#31A4BF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.19
#31A4BF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #31A4BF
7.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##31A4BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##31A4BF | 1.00 | 2.92 | 7.19 | 7.19 |
| #FFFFFF | 2.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#929FC0
Deuteranopia (green-blind)
#7F91BF
Tritanopia (blue-blind)
#00ADAC
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #31a4bf; /* rgb */ color: rgb(49, 164, 191); /* oklch */ color: oklch(66.8% 0.106 217.3);
Tailwind
colors: {
custom: {
50: '#7ebfd2',
500: '#31a4bf',
950: '#000000',
},
}SCSS
$custom: #31a4bf; $custom-light: #7ebfd2; $custom-dark: #000000;
JSON
{
"hex": "#31a4bf",
"rgb": {
"r": 49,
"g": 164,
"b": 191
},
"hsl": {
"h": 191.408,
"s": 59.167,
"l": 47.059
},
"oklch": {
"l": 0.66752,
"c": 0.10605,
"h": 217.3
},
"luminance": 0.30965
}Semantic roles & 50–950 ramp
primary
#31A4BF
secondary
#CB8F81
accent
#6345E2
background
#F8FBFC
surface
#F0F7F9
border
#CBD0D2
text
#0B1214
muted
#7C8182