#6399E8#6399E8
#6399E8 is a light, vivid blue. Relative luminance 0.313; OKLCH L 68.0% C 0.131 H 257.8°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).
Color values
| HEX | #6399E8 |
|---|---|
| RGB | rgb(99, 153, 232) |
| HSL | hsl(216, 74%, 65%) |
| HSV | hsv(216, 57%, 91%) |
| CMYK | cmyk(57.3%, 34.1%, 0%, 9%) |
| CIE-LAB | lab(62.73, 5.20, -45.28) |
| CIE-LCH | lch(62.73, 45.58, 276.55°) |
| OKLab | oklab(67.99% -0.0276 -0.128) |
| OKLCH | oklch(67.99% 0.131 257.8) |
| XYZ | xyz(31.0972, 31.2587, 80.7231) |
| Luminance | 0.3126 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 1.69
Dark Sky Blue
#448EE4
ΔE00 4.46
Dodgerblue
#1E90FF
ΔE00 5.01
Soft Blue
#6488EA
ΔE00 5.98
Faded Blue
#658CBB
ΔE00 6.17
Azure (survey)
#069AF3
ΔE00 7.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6399E8 #E8B263
analogous
#63DCE8 #6399E8 #6F63E8
triadic
#6399E8 #E86399 #99E863
tetradic
#6399E8 #E863DC #E8B263 #63E86F
square
#6399E8 #E863DC #E8B263 #63E86F
split-complementary
#6399E8 #E86F63 #DCE863
monochromatic
#1B5AB6 #2E76E0 #6399E8 #98BCF0 #CEDFF8
Accessibility & contrast
On white
2.90
#6399E8 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.25
#6399E8 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #6399E8
7.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6399E8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6399E8 | 1.00 | 2.90 | 7.25 | 7.25 |
| #FFFFFF | 2.90 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.25 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.25 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#789FEB
Deuteranopia (green-blind)
#6792E6
Tritanopia (blue-blind)
#00ABB6
Achromatopsia (no color)
#989898
Design tokens & code
CSS
--color: #6399e8; /* rgb */ color: rgb(99, 153, 232); /* oklch */ color: oklch(68.0% 0.131 257.8);
Tailwind
colors: {
custom: {
50: '#99b6ef',
500: '#6399e8',
950: '#000000',
},
}SCSS
$custom: #6399e8; $custom-light: #99b6ef; $custom-dark: #000000;
JSON
{
"hex": "#6399e8",
"rgb": {
"r": 99,
"g": 153,
"b": 232
},
"hsl": {
"h": 215.639,
"s": 74.302,
"l": 64.902
},
"oklch": {
"l": 0.67991,
"c": 0.13094,
"h": 257.8
},
"luminance": 0.31261
}Semantic roles & 50–950 ramp
primary
#6399E8
secondary
#EAD8BD
accent
#850FD6
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0F1116
muted
#7E8084