#6658CD#6658CD
#6658CD is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.7% C 0.174 H 284.3°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).
Color values
| HEX | #6658CD |
|---|---|
| RGB | rgb(102, 88, 205) |
| HSL | hsl(247, 54%, 57%) |
| HSV | hsv(247, 57%, 80%) |
| CMYK | cmyk(50.2%, 57.1%, 0%, 19.6%) |
| CIE-LAB | lab(44.53, 36.40, -59.08) |
| CIE-LCH | lch(44.53, 69.40, 301.64°) |
| OKLab | oklab(53.68% 0.0431 -0.1689) |
| OKLCH | oklch(53.68% 0.174 284.3) |
| XYZ | xyz(19.9854, 14.2110, 59.4357) |
| Luminance | 0.1421 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Slate Blue
#6A5ACD
ΔE00 0.89
Light Indigo
#6D5ACF
ΔE00 1.38
Iris
#6258C4
ΔE00 1.50
Dark Periwinkle
#665FD1
ΔE00 2.29
Warm Blue
#4B57DB
ΔE00 4.41
Bluey Purple
#6241C7
ΔE00 6.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6658CD #BFCD58
analogous
#5885CD #6658CD #A058CD
triadic
#6658CD #CD6658 #58CD66
tetradic
#6658CD #CD5885 #BFCD58 #58CDA0
square
#6658CD #CD5885 #BFCD58 #58CDA0
split-complementary
#6658CD #CDA058 #85CD58
monochromatic
#322783 #4435B2 #6658CD #9187DB #BCB6E9
Accessibility & contrast
On white
5.47
#6658CD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.84
#6658CD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #6658CD
5.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6658CD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6658CD | 1.00 | 5.47 | 3.84 | 5.47 |
| #FFFFFF | 5.47 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.84 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.47 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006DD1
Deuteranopia (green-blind)
#0066CB
Tritanopia (blue-blind)
#3F738A
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #6658cd; /* rgb */ color: rgb(102, 88, 205); /* oklch */ color: oklch(53.7% 0.174 284.3);
Tailwind
colors: {
custom: {
50: '#9987dd',
500: '#6658cd',
950: '#000000',
},
}SCSS
$custom: #6658cd; $custom-light: #9987dd; $custom-dark: #000000;
JSON
{
"hex": "#6658cd",
"rgb": {
"r": 102,
"g": 88,
"b": 205
},
"hsl": {
"h": 247.179,
"s": 53.917,
"l": 57.451
},
"oklch": {
"l": 0.53681,
"c": 0.17435,
"h": 284.3
},
"luminance": 0.14212
}Semantic roles & 50–950 ramp
primary
#6658CD
secondary
#D2D8A9
accent
#DD4BCC
background
#F9F8FD
surface
#F2EFFB
border
#CCCAD4
text
#0F0B15
muted
#7E7C83