#6657EA#6657EA
#6657EA is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.7% C 0.213 H 281.6°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).
Color values
| HEX | #6657EA |
|---|---|
| RGB | rgb(102, 87, 234) |
| HSL | hsl(246, 78%, 63%) |
| HSV | hsv(246, 63%, 92%) |
| CMYK | cmyk(56.4%, 62.8%, 0%, 8.2%) |
| CIE-LAB | lab(46.42, 45.81, -72.54) |
| CIE-LCH | lch(46.42, 85.79, 302.28°) |
| OKLab | oklab(55.73% 0.0427 -0.2085) |
| OKLCH | oklch(55.73% 0.213 281.6) |
| XYZ | xyz(23.7343, 15.5801, 79.5825) |
| Luminance | 0.1558 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Light Indigo
#6D5ACF
ΔE00 3.86
Dark Periwinkle
#665FD1
ΔE00 3.99
Slate Blue
#6A5ACD
ΔE00 4.03
Warm Blue
#4B57DB
ΔE00 4.59
Iris
#6258C4
ΔE00 5.33
Purpley
#8756E4
ΔE00 5.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6657EA #DBEA57
analogous
#5792EA #6657EA #AF57EA
triadic
#6657EA #EA6657 #57EA66
tetradic
#6657EA #EA5792 #DBEA57 #57EAAF
square
#6657EA #EA5792 #DBEA57 #57EAAF
split-complementary
#6657EA #EAAF57 #92EA57
monochromatic
#2616B1 #3421E3 #6657EA #988DF1 #C9C4F8
Accessibility & contrast
On white
5.10
#6657EA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.12
#6657EA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #6657EA
5.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6657EA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6657EA | 1.00 | 5.10 | 4.12 | 5.10 |
| #FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0073EF
Deuteranopia (green-blind)
#0069E7
Tritanopia (blue-blind)
#1D7B99
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #6657ea; /* rgb */ color: rgb(102, 87, 234); /* oklch */ color: oklch(55.7% 0.213 281.6);
Tailwind
colors: {
custom: {
50: '#9d87f2',
500: '#6657ea',
950: '#000000',
},
}SCSS
$custom: #6657ea; $custom-light: #9d87f2; $custom-dark: #000000;
JSON
{
"hex": "#6657ea",
"rgb": {
"r": 102,
"g": 87,
"b": 234
},
"hsl": {
"h": 246.122,
"s": 77.778,
"l": 62.941
},
"oklch": {
"l": 0.55727,
"c": 0.21285,
"h": 281.6
},
"luminance": 0.15582
}Semantic roles & 50–950 ramp
primary
#6657EA
secondary
#E3E9B4
accent
#DA0BC5
background
#FAF8FE
surface
#F4F0FD
border
#CECBD5
text
#100B17
muted
#7F7C85