#6657DB#6657DB
#6657DB is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.6% C 0.194 H 283.0°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).
Color values
| HEX | #6657DB |
|---|---|
| RGB | rgb(102, 87, 219) |
| HSL | hsl(247, 65%, 60%) |
| HSV | hsv(247, 60%, 86%) |
| CMYK | cmyk(53.4%, 60.3%, 0%, 14.1%) |
| CIE-LAB | lab(45.30, 41.25, -65.86) |
| CIE-LCH | lch(45.30, 77.71, 302.06°) |
| OKLab | oklab(54.56% 0.0437 -0.1889) |
| OKLCH | oklch(54.56% 0.194 283) |
| XYZ | xyz(21.6700, 14.7544, 68.7101) |
| Luminance | 0.1476 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Light Indigo
#6D5ACF
ΔE00 2.20
Slate Blue
#6A5ACD
ΔE00 2.22
Dark Periwinkle
#665FD1
ΔE00 2.76
Iris
#6258C4
ΔE00 3.38
Warm Blue
#4B57DB
ΔE00 4.01
Purpleish Blue
#6140EF
ΔE00 5.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6657DB #CCDB57
analogous
#578ADB #6657DB #A857DB
triadic
#6657DB #DB6657 #57DB66
tetradic
#6657DB #DB578A #CCDB57 #57DBA8
square
#6657DB #DB578A #CCDB57 #57DBA8
split-complementary
#6657DB #DBA857 #8ADB57
monochromatic
#2E2097 #3D2BCA #6657DB #9489E6 #C2BCF1
Accessibility & contrast
On white
5.31
#6657DB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.95
#6657DB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #6657DB
5.31:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6657DB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6657DB | 1.00 | 5.31 | 3.95 | 5.31 |
| #FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006FDF
Deuteranopia (green-blind)
#0067D8
Tritanopia (blue-blind)
#337791
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #6657db; /* rgb */ color: rgb(102, 87, 219); /* oklch */ color: oklch(54.6% 0.194 283.0);
Tailwind
colors: {
custom: {
50: '#9b87e7',
500: '#6657db',
950: '#000000',
},
}SCSS
$custom: #6657db; $custom-light: #9b87e7; $custom-dark: #000000;
JSON
{
"hex": "#6657db",
"rgb": {
"r": 102,
"g": 87,
"b": 219
},
"hsl": {
"h": 246.818,
"s": 64.706,
"l": 60
},
"oklch": {
"l": 0.54555,
"c": 0.1939,
"h": 283
},
"luminance": 0.14756
}Semantic roles & 50–950 ramp
primary
#6657DB
secondary
#DBE0AD
accent
#E840D5
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#0F0B16
muted
#7F7C84