#4FA9E9#4FA9E9
#4FA9E9 is a light, vivid cyan. Relative luminance 0.359; OKLCH L 70.7% C 0.127 H 242.5°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).
Color values
| HEX | #4FA9E9 |
|---|---|
| RGB | rgb(79, 169, 233) |
| HSL | hsl(205, 78%, 61%) |
| HSV | hsv(205, 66%, 91%) |
| CMYK | cmyk(66.1%, 27.5%, 0%, 8.6%) |
| CIE-LAB | lab(66.46, -7.17, -40.03) |
| CIE-LCH | lch(66.46, 40.66, 259.85°) |
| OKLab | oklab(70.72% -0.0587 -0.1128) |
| OKLCH | oklch(70.72% 0.127 242.5) |
| XYZ | xyz(32.1148, 35.9180, 82.3154) |
| Luminance | 0.3592 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 5.20
Sky Blue (survey)
#75BBFD
ΔE00 6.16
Deepskyblue
#00BFFF
ΔE00 7.83
Dodgerblue
#1E90FF
ΔE00 8.61
Lightblue (survey)
#7BC8F6
ΔE00 9.10
Dark Sky Blue
#448EE4
ΔE00 9.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4FA9E9 #E98F4F
analogous
#4FE9DC #4FA9E9 #4F5CE9
triadic
#4FA9E9 #E94FA9 #A9E94F
tetradic
#4FA9E9 #DC4FE9 #E98F4F #5CE94F
square
#4FA9E9 #DC4FE9 #E98F4F #5CE94F
split-complementary
#4FA9E9 #E94F5C #E9DC4F
monochromatic
#156BA9 #1C8EDF #4FA9E9 #85C4F0 #BCDEF7
Accessibility & contrast
On white
2.57
#4FA9E9 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.18
#4FA9E9 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #4FA9E9
8.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4FA9E9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4FA9E9 | 1.00 | 2.57 | 8.18 | 8.18 |
| #FFFFFF | 2.57 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8CAAEC
Deuteranopia (green-blind)
#779BE8
Tritanopia (blue-blind)
#00B9BF
Achromatopsia (no color)
#A2A2A2
Design tokens & code
CSS
--color: #4fa9e9; /* rgb */ color: rgb(79, 169, 233); /* oklch */ color: oklch(70.7% 0.127 242.5);
Tailwind
colors: {
custom: {
50: '#90c2f0',
500: '#4fa9e9',
950: '#000000',
},
}SCSS
$custom: #4fa9e9; $custom-light: #90c2f0; $custom-dark: #000000;
JSON
{
"hex": "#4fa9e9",
"rgb": {
"r": 79,
"g": 169,
"b": 233
},
"hsl": {
"h": 204.935,
"s": 77.778,
"l": 61.176
},
"oklch": {
"l": 0.70718,
"c": 0.12719,
"h": 242.5
},
"luminance": 0.35921
}Semantic roles & 50–950 ramp
primary
#4FA9E9
secondary
#E7C5AD
accent
#610BDA
background
#F9FBFE
surface
#F2F7FD
border
#CCD0D5
text
#0E1216
muted
#7E8184