#6363EE#6363EE
#6363EE is a mid, highly saturated blue. Relative luminance 0.177; OKLCH L 57.8% C 0.204 H 277.9°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #6363EE |
|---|---|
| RGB | rgb(99, 99, 238) |
| HSL | hsl(240, 80%, 66%) |
| HSV | hsv(240, 58%, 93%) |
| CMYK | cmyk(58.4%, 58.4%, 0%, 6.7%) |
| CIE-LAB | lab(49.19, 39.52, -70.29) |
| CIE-LCH | lch(49.19, 80.64, 299.35°) |
| OKLab | oklab(57.8% 0.0281 -0.2019) |
| OKLCH | oklch(57.8% 0.204 277.9) |
| XYZ | xyz(25.0351, 17.7476, 82.9787) |
| Luminance | 0.1775 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 4.09
Dark Periwinkle
#665FD1
ΔE00 4.25
Light Indigo
#6D5ACF
ΔE00 5.58
Slate Blue
#6A5ACD
ΔE00 5.66
Warm Blue
#4B57DB
ΔE00 5.70
Royal Blue
#4169E1
ΔE00 6.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6363EE #EEEE63
analogous
#63A8EE #6363EE #A863EE
triadic
#6363EE #EE6363 #63EE63
tetradic
#6363EE #EE63A8 #EEEE63 #63EEA8
square
#6363EE #EE63A8 #EEEE63 #63EEA8
split-complementary
#6363EE #EEA863 #A8EE63
monochromatic
#1515C2 #2C2CE8 #6363EE #9A9AF4 #D1D1FA
Accessibility & contrast
On white
4.62
#6363EE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.55
#6363EE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #6363EE
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6363EE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6363EE | 1.00 | 4.62 | 4.55 | 4.62 |
| #FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.55 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007BF3
Deuteranopia (green-blind)
#006FEB
Tritanopia (blue-blind)
#00849F
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #6363ee; /* rgb */ color: rgb(99, 99, 238); /* oklch */ color: oklch(57.8% 0.204 277.9);
Tailwind
colors: {
custom: {
50: '#9c8ff4',
500: '#6363ee',
950: '#000000',
},
}SCSS
$custom: #6363ee; $custom-light: #9c8ff4; $custom-dark: #000000;
JSON
{
"hex": "#6363ee",
"rgb": {
"r": 99,
"g": 99,
"b": 238
},
"hsl": {
"h": 240,
"s": 80.347,
"l": 66.078
},
"oklch": {
"l": 0.57797,
"c": 0.20387,
"h": 277.9
},
"luminance": 0.17749
}Semantic roles & 50–950 ramp
primary
#6363EE
secondary
#EDEDC0
accent
#DD09DD
background
#FAF8FF
surface
#F4F0FE
border
#CECBD6
text
#0F0C17
muted
#7F7D85