#6599EC#6599EC
#6599EC is a light, vivid blue. Relative luminance 0.316; OKLCH L 68.3% C 0.135 H 259.4°. Best body text is #000000 at 7.32:1 contrast (WCAG AA passes).
Color values
| HEX | #6599EC |
|---|---|
| RGB | rgb(101, 153, 236) |
| HSL | hsl(217, 78%, 66%) |
| HSV | hsv(217, 57%, 93%) |
| CMYK | cmyk(57.2%, 35.2%, 0%, 7.5%) |
| CIE-LAB | lab(63.01, 6.87, -47.03) |
| CIE-LCH | lch(63.01, 47.53, 278.32°) |
| OKLab | oklab(68.3% -0.0249 -0.133) |
| OKLCH | oklch(68.3% 0.135 259.4) |
| XYZ | xyz(31.8931, 31.6026, 83.7598) |
| Luminance | 0.3160 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 1.32
Dark Sky Blue
#448EE4
ΔE00 4.89
Dodgerblue
#1E90FF
ΔE00 5.40
Soft Blue
#6488EA
ΔE00 5.73
Faded Blue
#658CBB
ΔE00 6.44
Dodger Blue
#3E82FC
ΔE00 7.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6599EC #ECB865
analogous
#65DCEC #6599EC #7465EC
triadic
#6599EC #EC6599 #99EC65
tetradic
#6599EC #EC65DC #ECB865 #65EC74
square
#6599EC #EC65DC #ECB865 #65EC74
split-complementary
#6599EC #EC7465 #DCEC65
monochromatic
#1858BF #2F75E5 #6599EC #9BBDF3 #D2E1F9
Accessibility & contrast
On white
2.87
#6599EC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.32
#6599EC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #6599EC
7.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6599EC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6599EC | 1.00 | 2.87 | 7.32 | 7.32 |
| #FFFFFF | 2.87 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.32 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.32 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#779FEF
Deuteranopia (green-blind)
#6593EA
Tritanopia (blue-blind)
#00ACB7
Achromatopsia (no color)
#989898
Design tokens & code
CSS
--color: #6599ec; /* rgb */ color: rgb(101, 153, 236); /* oklch */ color: oklch(68.3% 0.135 259.4);
Tailwind
colors: {
custom: {
50: '#9ab6f2',
500: '#6599ec',
950: '#000000',
},
}SCSS
$custom: #6599ec; $custom-light: #9ab6f2; $custom-dark: #000000;
JSON
{
"hex": "#6599ec",
"rgb": {
"r": 101,
"g": 153,
"b": 236
},
"hsl": {
"h": 216.889,
"s": 78.035,
"l": 66.078
},
"oklch": {
"l": 0.68304,
"c": 0.13537,
"h": 259.4
},
"luminance": 0.31605
}Semantic roles & 50–950 ramp
primary
#6599EC
secondary
#EDDBC0
accent
#8B0BDA
background
#FAFBFE
surface
#F3F6FD
border
#CDD0D5
text
#0F1117
muted
#7F8085