#5F99F8#5F99F8
#5F99F8 is a light, vivid blue. Relative luminance 0.320; OKLCH L 68.7% C 0.153 H 259.8°. Best body text is #000000 at 7.40:1 contrast (WCAG AA passes).
Color values
| HEX | #5F99F8 |
|---|---|
| RGB | rgb(95, 153, 248) |
| HSL | hsl(217, 92%, 67%) |
| HSV | hsv(217, 62%, 97%) |
| CMYK | cmyk(61.7%, 38.3%, 0%, 2.7%) |
| CIE-LAB | lab(63.33, 9.63, -53.13) |
| CIE-LCH | lch(63.33, 53.99, 280.28°) |
| OKLab | oklab(68.67% -0.0272 -0.151) |
| OKLCH | oklch(68.67% 0.153 259.8) |
| XYZ | xyz(33.0478, 31.9896, 93.2218) |
| Luminance | 0.3199 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 1.84
Dark Sky Blue
#448EE4
ΔE00 4.99
Dodgerblue
#1E90FF
ΔE00 5.00
Soft Blue
#6488EA
ΔE00 6.11
Dodger Blue
#3E82FC
ΔE00 7.04
Faded Blue
#658CBB
ΔE00 7.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5F99F8 #F8BE5F
analogous
#5FE5F8 #5F99F8 #725FF8
triadic
#5F99F8 #F85F99 #99F85F
tetradic
#5F99F8 #F85FE5 #F8BE5F #5FF872
square
#5F99F8 #F85FE5 #F8BE5F #5FF872
split-complementary
#5F99F8 #F8725F #E5F85F
monochromatic
#0956D3 #2474F5 #5F99F8 #9ABEFB #D4E4FD
Accessibility & contrast
On white
2.84
#5F99F8 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.40
#5F99F8 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #5F99F8
7.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5F99F8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5F99F8 | 1.00 | 2.84 | 7.40 | 7.40 |
| #FFFFFF | 2.84 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.40 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.40 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6FA1FC
Deuteranopia (green-blind)
#5A93F6
Tritanopia (blue-blind)
#00AFBD
Achromatopsia (no color)
#999999
Design tokens & code
CSS
--color: #5f99f8; /* rgb */ color: rgb(95, 153, 248); /* oklch */ color: oklch(68.7% 0.153 259.8);
Tailwind
colors: {
custom: {
50: '#99b6fb',
500: '#5f99f8',
950: '#000000',
},
}SCSS
$custom: #5f99f8; $custom-light: #99b6fb; $custom-dark: #000000;
JSON
{
"hex": "#5f99f8",
"rgb": {
"r": 95,
"g": 153,
"b": 248
},
"hsl": {
"h": 217.255,
"s": 91.617,
"l": 67.255
},
"oklch": {
"l": 0.68674,
"c": 0.15342,
"h": 259.8
},
"luminance": 0.31993
}Semantic roles & 50–950 ramp
primary
#5F99F8
secondary
#F2DFC1
accent
#8F00E6
background
#FAFBFF
surface
#F3F6FF
border
#CDD0D7
text
#0F1117
muted
#7F8085