#4FB9CF#4FB9CF
#4FB9CF is a light, moderate cyan. Relative luminance 0.409; OKLCH L 73.3% C 0.101 H 213.6°. Best body text is #000000 at 9.17:1 contrast (WCAG AA passes).
Color values
| HEX | #4FB9CF |
|---|---|
| RGB | rgb(79, 185, 207) |
| HSL | hsl(190, 57%, 56%) |
| HSV | hsv(190, 62%, 81%) |
| CMYK | cmyk(61.8%, 10.6%, 0%, 18.8%) |
| CIE-LAB | lab(70.08, -23.81, -20.19) |
| CIE-LCH | lch(70.08, 31.21, 220.30°) |
| OKLab | oklab(73.27% -0.0843 -0.056) |
| OKLCH | oklch(73.27% 0.101 213.6) |
| XYZ | xyz(31.8313, 40.8619, 65.2290) |
| Luminance | 0.4087 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 4.45
Bright Sky Blue
#02CCFE
ΔE00 8.38
Sky Blue
#87CEEB
ΔE00 8.53
Neon Blue
#04D9FF
ΔE00 8.79
Aqua Blue
#02D8E9
ΔE00 8.90
Baby Blue
#89CFF0
ΔE00 9.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4FB9CF #CF654F
analogous
#4FCFA5 #4FB9CF #4F79CF
triadic
#4FB9CF #CF4FB9 #B9CF4F
tetradic
#4FB9CF #A54FCF #CF654F #79CF4F
square
#4FB9CF #A54FCF #CF654F #79CF4F
split-complementary
#4FB9CF #CF4F79 #CFA54F
monochromatic
#237081 #309BB1 #4FB9CF #7FCCDC #AFDFE9
Accessibility & contrast
On white
2.29
#4FB9CF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.17
#4FB9CF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #4FB9CF
9.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4FB9CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4FB9CF | 1.00 | 2.29 | 9.17 | 9.17 |
| #FFFFFF | 2.29 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.17 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.17 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A9B3D0
Deuteranopia (green-blind)
#96A5CF
Tritanopia (blue-blind)
#00C2C0
Achromatopsia (no color)
#ABABAB
Design tokens & code
CSS
--color: #4fb9cf; /* rgb */ color: rgb(79, 185, 207); /* oklch */ color: oklch(73.3% 0.101 213.6);
Tailwind
colors: {
custom: {
50: '#8dcedd',
500: '#4fb9cf',
950: '#000000',
},
}SCSS
$custom: #4fb9cf; $custom-light: #8dcedd; $custom-dark: #000000;
JSON
{
"hex": "#4fb9cf",
"rgb": {
"r": 79,
"g": 185,
"b": 207
},
"hsl": {
"h": 190.313,
"s": 57.143,
"l": 56.078
},
"oklch": {
"l": 0.73272,
"c": 0.10125,
"h": 213.6
},
"luminance": 0.40865
}Semantic roles & 50–950 ramp
primary
#4FB9CF
secondary
#D7ACA2
accent
#6247E0
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0D1315
muted
#7E8283