#5F99FC#5F99FC
#5F99FC is a light, vivid blue. Relative luminance 0.322; OKLCH L 68.9% C 0.159 H 260.4°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).
Color values
| HEX | #5F99FC |
|---|---|
| RGB | rgb(95, 153, 252) |
| HSL | hsl(218, 96%, 68%) |
| HSV | hsv(218, 62%, 99%) |
| CMYK | cmyk(62.3%, 39.3%, 0%, 1.2%) |
| CIE-LAB | lab(63.54, 10.95, -54.99) |
| CIE-LCH | lch(63.54, 56.07, 281.26°) |
| OKLab | oklab(68.9% -0.0263 -0.1564) |
| OKLCH | oklch(68.9% 0.159 260.4) |
| XYZ | xyz(33.6750, 32.2405, 96.5250) |
| Luminance | 0.3224 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 1.99
Dodgerblue
#1E90FF
ΔE00 5.20
Dark Sky Blue
#448EE4
ΔE00 5.28
Soft Blue
#6488EA
ΔE00 6.12
Dodger Blue
#3E82FC
ΔE00 7.06
Faded Blue
#658CBB
ΔE00 7.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5F99FC #FCC25F
analogous
#5FE8FC #5F99FC #735FFC
triadic
#5F99FC #FC5F99 #99FC5F
tetradic
#5F99FC #FC5FE8 #FCC25F #5FFC73
square
#5F99FC #FC5FE8 #FCC25F #5FFC73
split-complementary
#5F99FC #FC735F #E8FC5F
monochromatic
#0454DC #2373FB #5F99FC #9BBFFD #D7E6FE
Accessibility & contrast
On white
2.82
#5F99FC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.45
#5F99FC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #5F99FC
7.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5F99FC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5F99FC | 1.00 | 2.82 | 7.45 | 7.45 |
| #FFFFFF | 2.82 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.45 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.45 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6DA2FF
Deuteranopia (green-blind)
#5793FA
Tritanopia (blue-blind)
#00AFBE
Achromatopsia (no color)
#9A9A9A
Design tokens & code
CSS
--color: #5f99fc; /* rgb */ color: rgb(95, 153, 252); /* oklch */ color: oklch(68.9% 0.159 260.4);
Tailwind
colors: {
custom: {
50: '#99b6fe',
500: '#5f99fc',
950: '#000000',
},
}SCSS
$custom: #5f99fc; $custom-light: #99b6fe; $custom-dark: #000000;
JSON
{
"hex": "#5f99fc",
"rgb": {
"r": 95,
"g": 153,
"b": 252
},
"hsl": {
"h": 217.834,
"s": 96.319,
"l": 68.039
},
"oklch": {
"l": 0.68901,
"c": 0.15864,
"h": 260.4
},
"luminance": 0.32244
}Semantic roles & 50–950 ramp
primary
#5F99FC
secondary
#F3E2C3
accent
#9100E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1118
muted
#7F8086